Tu A Nguyen, MD
Gastroenterology · Menlo Park
- Medicare standing
- Clear
- Enrolled, allowed to bill and order, not excluded
- Plans that list them
- 10
- 2 carriers
- Offices
- 3
Offices
3 locations · University Healthcare Alliance · 334 clinicians in this group
Hospitals listed: Stanford Health Care. That is not proof they admit you there this week.
Plans that list them
10 plans · 2 carriers
A missing listing does not mean out of network. Directories change, and a listing does not cover every office. Call Dr. Nguyen’s office at (650) 498-6500 to confirm they take your plan. Ask about the office you use, its medical group, referrals and appointments.
10 of 10 plans
| Alignment Health BreathEasy (HMO C-SNP) | Alignment Health Plan | Listed | Oct 3, 2026 |
| Alignment Health Clarity (HMO C-SNP) | Alignment Health Plan | Listed | Oct 3, 2026 |
| Alignment Health Harmony (HMO) | Alignment Health Plan | Listed | Oct 3, 2026 |
| Alignment Health Heart & Diabetes (HMO C-SNP) | Alignment Health Plan | Listed | Oct 3, 2026 |
| Alignment Health Heart & Diabetes CalPlus (HMO C-SNP) | Alignment Health Plan | Listed | Oct 3, 2026 |
| Alignment Health Heart & Diabetes Care (HMO C-SNP) | Alignment Health Plan | Listed | Sep 28, 2026 |
| Alignment Health Heart & Diabetes Choice (HMO C-SNP) | Alignment Health Plan | Listed | Sep 28, 2026 |
| Alignment Health Honor+ Plan (HMO) | Alignment Health Plan | Listed | Oct 3, 2026 |
| Alignment Health My Choice CalCare (HMO) | Alignment Health Plan | Listed | Oct 3, 2026 |
| DualConnect (HMO D-SNP) | Santa Clara Family Health Plan | Listed | Sep 1, 2026 |
California Medical Board record
Licence A89328 · Current
Licensed to practise in California · since 2004 · expires 2028-08-31 · University of California, Irvine College of Medicine.
No disciplinary actions, convictions, malpractice judgments or citations in this record.
Surgery centers they own
- Waverley Surgery Center, LPAmbulatory Surgery Center · Palo Alto, CA0.13% owner since 2015 · accredited by AAAHCAccreditation Renewed4 inspections, 3 with deficiencies · last 2024-04-25
Hospitals they work in
1 hospital
These rate the hospital, not this clinician. Most measures at most hospitals are no different from the national rate.
- Stanford Health CareStanford, CAAcute Care Hospital · Voluntary non-profit - Private · Has an emergency departmentPart of Stanford Health Care, which runs 3 hospitalsHome of Stanford Cancer Institute, a National Cancer Institute designated comprehensive cancer centrePatients rate it 4 of 5 · 83% would definitely recommend itOverall rating: 5 of 5 starsWorse than the national rate — Perioperative pulmonary embolism or deep vein thrombosis rate: 5.31 (4.24 to 6.37) · 8,661 cases, Jul 2022 – Jun 2024Worse than the national rate — Rate of inpatient admissions for patients receiving outpatient chemotherapy: 14.1 (12.7 to 15.7) · 2,191 cases, Jan 2024 – Dec 2024Better than the national rate — Postoperative respiratory failure rate: 4.08 (1.95 to 6.21) · 5,296 cases, Jul 2022 – Jun 2024Better than the national rate — Catheter Associated Urinary Tract Infections (ICU + select Wards): 0.317, Oct 2024 – Sep 2025Better than the national rate — Clostridium Difficile (C.Diff): 0.446, Oct 2024 – Sep 2025Better than the national rate — SSI - Colon Surgery: 0.241, Oct 2024 – Sep 2025Better than the national rate — Ratio of unplanned hospital visits after hospital outpatient surgery: 0.7 (0.6 to 0.9) · 3,348 cases, Jan 2024 – Dec 2024
See every measure and the patient survey for Stanford Health Care
Behind the star rating — Deaths: 5 better, 3 the same, 0 worse of 8 measures. Safety: 3 better, 5 the same, 0 worse of 8 measures. Readmissions: 2 better, 5 the same, 4 worse of 11 measures. The star rating is worked out from an earlier period than the measures below, so the two can disagree.
| Perioperative pulmonary embolism or deep vein thrombosis rateComplications and deaths | 5.31 (4.24 to 6.37) · 8,661 cases | Worse | Jul 2022 – Jun 2024 |
| Rate of inpatient admissions for patients receiving outpatient chemotherapyUnplanned return visits | 14.1 (12.7 to 15.7) · 2,191 cases | Worse | Jan 2024 – Dec 2024 |
| Postoperative respiratory failure rateComplications and deaths | 4.08 (1.95 to 6.21) · 5,296 cases | Better | Jul 2022 – Jun 2024 |
| Catheter Associated Urinary Tract Infections (ICU + select Wards)Infections | 0.317 | Better | Oct 2024 – Sep 2025 |
| Clostridium Difficile (C.Diff)Infections | 0.446 | Better | Oct 2024 – Sep 2025 |
| SSI - Colon SurgeryInfections | 0.241 | Better | Oct 2024 – Sep 2025 |
| Ratio of unplanned hospital visits after hospital outpatient surgeryUnplanned return visits | 0.7 (0.6 to 0.9) · 3,348 cases | Better | Jan 2024 – Dec 2024 |
| Abdominopelvic accidental puncture or laceration rateComplications and deaths | 1.06 (0.45 to 1.67) · 5,374 cases | No different | Jul 2022 – Jun 2024 |
| CMS Medicare PSI 90: Patient safety and adverse events compositeComplications and deaths | 0.86 (0.72 to 1) | No different | Jul 2022 – Jun 2024 |
| Death rate among surgical inpatients with serious treatable complicationsComplications and deaths | 166.09 (137.88 to 194.3) · 470 cases | No different | Jul 2022 – Jun 2024 |
| Death rate for CABG surgery patientsComplications and deaths | 1.1 · 192 cases | None | Jul 2022 – Jun 2025 |
| Death rate for COPD patientsComplications and deaths | 6.4 · 146 cases | None | Jul 2022 – Jun 2025 |
| Death rate for heart attack patientsComplications and deaths | 9.7 · 253 cases | None | Jul 2022 – Jun 2025 |
| Death rate for heart failure patientsComplications and deaths | 6.3 · 880 cases | None | Jul 2022 – Jun 2025 |
| Death rate for pneumonia patientsComplications and deaths | 10.3 · 935 cases | None | Jul 2022 – Jun 2025 |
| Death rate for stroke patientsComplications and deaths | 8.7 · 501 cases | None | Jul 2023 – Jun 2025 |
| Hybrid Hospital-Wide All-Cause Risk Standardized Mortality RateComplications and deaths | 2.1 · 7,730 cases | None | Jul 2024 – Jun 2025 |
| Iatrogenic pneumothorax rateComplications and deaths | 0.13 (0 to 0.27) · 20,799 cases | No different | Jul 2022 – Jun 2024 |
| In-hospital fall-associated fracture rateComplications and deaths | 0.28 (0.14 to 0.43) · 23,182 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative acute kidney injury requiring dialysis rateComplications and deaths | 0.94 (0.2 to 1.68) · 5,694 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative hemorrhage or hematoma rateComplications and deaths | 2.36 (1.54 to 3.19) · 7,846 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative sepsis rateComplications and deaths | 5.2 (3.76 to 6.64) · 5,603 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative wound dehiscence rateComplications and deaths | 1.38 (0.23 to 2.53) · 2,211 cases | No different | Jul 2022 – Jun 2024 |
| Pressure ulcer rateComplications and deaths | 0.52 (0.21 to 0.83) · 19,915 cases | No different | Jul 2022 – Jun 2024 |
| Rate of complications for hip/knee replacement patientsComplications and deaths | 3.6 · 416 cases | None | Apr 2023 – Mar 2025 |
| Central Line Associated Bloodstream Infection (ICU + select Wards)Infections | 0.869 | No different | Oct 2024 – Sep 2025 |
| MRSA BacteremiaInfections | 0.857 | No different | Oct 2024 – Sep 2025 |
| SSI - Abdominal HysterectomyInfections | 0.368 | No different | Oct 2024 – Sep 2025 |
| Acute Myocardial Infarction (AMI) 30-Day Readmission RateUnplanned return visits | 16.2 · 247 cases | None | Jul 2023 – Jun 2025 |
| Heart failure (HF) 30-Day Readmission RateUnplanned return visits | 20.5 · 1,021 cases | None | Jul 2023 – Jun 2025 |
| Hospital return days for heart attack patientsUnplanned return visits | 47.8 · 258 cases | None | Jul 2022 – Jun 2025 |
| Hospital return days for heart failure patientsUnplanned return visits | -1.6 · 990 cases | None | Jul 2022 – Jun 2025 |
| Hospital return days for pneumonia patientsUnplanned return visits | 20.8 · 976 cases | None | Jul 2022 – Jun 2025 |
| Pneumonia (PN) 30-Day Readmission RateUnplanned return visits | 16.5 · 959 cases | None | Jul 2023 – Jun 2025 |
| Rate of emergency department (ED) visits for patients receiving outpatient chemotherapyUnplanned return visits | 5.2 (4.4 to 6.2) · 2,191 cases | No different | Jan 2024 – Dec 2024 |
| Rate of readmission after hip/knee replacementUnplanned return visits | 5.1 · 425 cases | None | Jul 2023 – Jun 2025 |
| Rate of readmission for CABGUnplanned return visits | 9.6 · 158 cases | None | Jul 2023 – Jun 2025 |
| Rate of readmission for chronic obstructive pulmonary disease (COPD) patientsUnplanned return visits | 19.6 · 183 cases | None | Jul 2023 – Jun 2025 |
| Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies)Unplanned return visits | 12.7 (10.4 to 15.4) · 4,578 cases | No different | Jan 2022 – Dec 2024 |
What patients said (6,810 patients answered, 25% of those asked)
| Cleanliness | 4 |
| Nurse communication | 4 |
| Doctor communication | 4 |
| Communication about medicines | 3 |
| Discharge information | 4 |
| Overall hospital rating | 4 |
| Quietness | 2 |
| Recommend hospital | 5 |
| Room was "always" clean | 75% |
| Nurses "always" communicated well | 82% |
| Doctors "always" communicated well | 81% |
| Staff "always" explained | 63% |
| Yes, staff "did" give patients this information | 89% |
| Yes, staff "did" give patients information about help after discharge | 89% |
| Doctors "always" explained things so they could understand | 76% |
| Doctors "always" listened carefully | 80% |
| Doctors "always" treated them with courtesy and respect | 87% |
| Patients who gave a rating of "9" or "10" (high) | 79% |
| Staff "always" explained new medications | 76% |
| Nurses "always" explained things so they could understand | 77% |
| Nurses "always" listened carefully | 79% |
| Nurses "always" treated them with courtesy and respect | 88% |
| "Always" quiet at night | 53% |
| "YES", patients would definitely recommend the hospital | 83% |
| Staff "always" explained possible side effects | 50% |
| Yes, staff "did" give patients information about possible symptoms | 90% |
Original Medicare doctor bills
$165,072
Medicare paid this office $165,072 for 656 people.
This is what Medicare paid the clinician — not Medicare Advantage, and not the pharmacy.
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 171 | $38,714 | $226 |
| Return visit (30+ min) | 224 | $35,336 | $113 |
| Biopsy of large bowel using a flexible endoscope | 158 | $13,824 | $87 |
| Colorectal cancer screening; colonoscopy on individual at high risk | 64 | $12,993 | $203 |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 157 | $12,821 | $81 |
See all 14 services
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 171 | $38,714 | $226 |
| Return visit (30+ min) | 224 | $35,336 | $113 |
| Biopsy of large bowel using a flexible endoscope | 158 | $13,824 | $87 |
| Colorectal cancer screening; colonoscopy on individual at high risk | 64 | $12,993 | $203 |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 157 | $12,821 | $81 |
| New patient visit (45+ min) | 83 | $11,867 | $143 |
| Long return visit (40+ min) | 38 | $8,048 | $158 |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's | 297 | $6,199 | $14 |
| Short return visit (20+ min) | 68 | $6,055 | $80 |
| New patient visit (60+ min) | 16 | $3,106 | $194 |
| Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk | 14 | $2,870 | $205 |
| New patient visit (30+ min) | 23 | $2,191 | $95 |
| Diagnostic exam of anus using an endoscope | 12 | $1,270 | $106 |
| Injection beneath lining of large bowel using a flexible endoscope | 42 | $619 | $15 |
Procedures Medicare counted
| Colonoscopy | 163 | More than 90% of doctors who do this |
| Upper gastrointestinal (GI) endoscopy for acid reflux | 133 | More than 83% of doctors who do this |
Who their Medicare patients are
656 Original Medicare patients in 2024. Average age 75 · Under 65 4% · 85 and older 8% · Women 55% · Also on Medicaid 5% · Health risk score 0.97. At or below the middle of the specialty; the typical gastroenterology clinician is at 1.42.
Conditions among them: High blood pressure 62% · Coronary heart disease 27% · Cancer 19% · Diabetes 18% · Atrial fibrillation 16% · Chronic kidney disease 14% · Heart failure 11% · Depression 11% · COPD 7% · Stroke 5% · Dementia 3%.
The office billed $1,694,684, Medicare allowed $209,524 and paid $165,072; for 1,708 services of 31 kinds.
Original Medicare patients only. A risk score of 1.0 is the average Medicare patient; higher means sicker. Any count under 11 is hidden.
Year by year
| 2024 | 656 | 1,708 | 75 | 0.97 | $1,694,684 | $165,072 |
| 2023 | 656 | 1,190 | 75 | 0.99 | $1,579,776 | $145,324 |
| 2022 | 622 | 1,170 | 75 | 1.00 | $1,479,103 | $140,961 |
| 2021 | 549 | 1,046 | 75 | 0.99 | $1,278,062 | $131,113 |
| 2020 | 448 | 833 | 75 | 1.19 | $952,438 | $89,345 |
| 2019 | 532 | 1,066 | 74 | 1.12 | $1,197,168 | $116,882 |
| 2018 | 470 | 1,212 | 74 | 0.99 | $1,028,950 | $106,540 |
| 2017 | 454 | 1,192 | 74 | 1.02 | $992,402 | $105,948 |
| 2016 | 357 | 749 | 73 | 0.98 | $603,304 | $87,872 |
| 2015 | 316 | 657 | 73 | 1.02 | $457,365 | $95,737 |
| 2014 | 284 | 576 | 74 | 1.03 | $424,192 | $80,063 |
| 2013 | 264 | 594 | 73 | 1.13 | $339,621 | $64,835 |
Original Medicare only. A service billed for fewer than 11 people in a year is hidden, so the lines can add up to less than the year's total.
See the services billed each year
2023: 11 services
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 176 | $37,780 | $215 |
| Return visit (30+ min) | 198 | $30,262 | $111 |
| Biopsy of large bowel using a flexible endoscope | 172 | $16,228 | $94 |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 132 | $11,448 | $85 |
| Colorectal cancer screening; colonoscopy on individual at high risk | 56 | $11,439 | $204 |
| Long return visit (40+ min) | 45 | $8,693 | $161 |
| New patient visit (45+ min) | 50 | $6,998 | $140 |
| Short return visit (20+ min) | 78 | $5,914 | $71 |
| Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk | 28 | $5,775 | $206 |
| New patient visit (30+ min) | 28 | $2,415 | $86 |
| Injection beneath lining of large bowel using a flexible endoscope | 53 | $777 | $15 |
2022: 11 services
| Return visit (30+ min) | 225 | $33,720 | $110 |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 155 | $31,747 | $205 |
| Colorectal cancer screening; colonoscopy on individual at high risk | 70 | $14,656 | $209 |
| Biopsy of large bowel using a flexible endoscope | 143 | $12,540 | $88 |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 122 | $10,412 | $81 |
| New patient visit (45+ min) | 71 | $10,095 | $142 |
| Short return visit (20+ min) | 76 | $6,591 | $78 |
| Long return visit (40+ min) | 29 | $5,658 | $166 |
| Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk | 22 | $4,514 | $205 |
| New patient visit (30+ min) | 35 | $3,488 | $100 |
| Injection beneath lining of large bowel using a flexible endoscope | 62 | $916 | $15 |
2021: 11 services
| Return visit (30+ min) | 219 | $34,677 | $117 |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 131 | $29,655 | $226 |
| Biopsy of large bowel using a flexible endoscope | 135 | $13,212 | $98 |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 129 | $10,264 | $80 |
| Colorectal cancer screening; colonoscopy on individual at high risk | 45 | $9,560 | $212 |
| New patient visit (45+ min) | 47 | $7,509 | $160 |
| Long return visit (40+ min) | 34 | $6,300 | $175 |
| Short return visit (20+ min) | 59 | $5,290 | $85 |
| Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk | 16 | $3,316 | $207 |
| New patient visit (30+ min) | 31 | $3,153 | $102 |
| Injection beneath lining of large bowel using a flexible endoscope | 52 | $703 | $14 |
2020: 10 services
| Return visit (30+ min) | 217 | $26,821 | $96 |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 69 | $15,429 | $224 |
| Biopsy of large bowel using a flexible endoscope | 76 | $7,370 | $97 |
| New patient visit (45+ min) | 49 | $7,076 | $144 |
| Colorectal cancer screening; colonoscopy on individual at high risk | 32 | $7,014 | $219 |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 85 | $6,875 | $80 |
| Short return visit (20+ min) | 53 | $4,043 | $64 |
| New patient visit (30+ min) | 30 | $2,288 | $76 |
| Telephone medical discussion with physician, 11-20 minutes | 20 | $2,106 | $70 |
| Injection beneath lining of large bowel using a flexible endoscope | 41 | $543 | $13 |
2019: 11 services
| Return visit (30+ min) | 258 | $36,509 | $94 |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 83 | $18,753 | $223 |
| Biopsy of large bowel using a flexible endoscope | 91 | $11,457 | $125 |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 119 | $10,586 | $86 |
| Colorectal cancer screening; colonoscopy on individual at high risk | 47 | $10,028 | $213 |
| New patient visit (45+ min) | 56 | $7,616 | $136 |
| Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk | 27 | $5,827 | $216 |
| New patient visit (30+ min) | 43 | $4,153 | $97 |
| Short return visit (20+ min) | 44 | $2,942 | $61 |
| Injection beneath lining of large bowel using a flexible endoscope | 47 | $674 | $14 |
| Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito | 46 | $171 | $4 |
2018: 13 services
| Return visit (30+ min) | 213 | $32,022 | $93 |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 76 | $15,960 | $207 |
| Colorectal cancer screening; colonoscopy on individual at high risk | 46 | $9,671 | $210 |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 98 | $8,279 | $84 |
| New patient visit (45+ min) | 56 | $8,170 | $146 |
| Biopsy of large bowel using a flexible endoscope | 67 | $7,634 | $114 |
| Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk | 19 | $3,892 | $205 |
| Short return visit (20+ min) | 55 | $3,789 | $64 |
| New patient visit (30+ min) | 38 | $3,572 | $94 |
| Diagnostic exam of large bowel using a flexible endoscope | 14 | $2,239 | $160 |
| Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito | 212 | $974 | $4 |
| Injection beneath lining of large bowel using a flexible endoscope | 52 | $739 | $14 |
| Use of a drug to induce depression of consciousness by physician performing a procedure, each additional 15 minutes | 38 | $434 | $11 |
2017: 13 services
| Return visit (30+ min) | 165 | $21,262 | $94 |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 98 | $20,691 | $211 |
| Colorectal cancer screening; colonoscopy on individual at high risk | 44 | $9,334 | $212 |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 100 | $8,941 | $89 |
| Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk | 38 | $8,072 | $212 |
| Biopsy of large bowel using a flexible endoscope | 81 | $7,974 | $98 |
| Short return visit (20+ min) | 85 | $6,364 | $64 |
| Removal of large bowel tissue using a flexible endoscope | 21 | $6,292 | $300 |
| New patient visit (45+ min) | 40 | $5,582 | $140 |
| New patient visit (30+ min) | 27 | $2,524 | $93 |
| Use of a drug to induce depression of consciousness by physician performing a procedure, each additional 15 minutes | 90 | $1,062 | $11 |
| Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito | 201 | $914 | $5 |
| Injection beneath lining of large bowel using a flexible endoscope | 45 | $823 | $18 |
2016: 10 services
| Return visit (30+ min) | 142 | $22,646 | $95 |
| Removal of large bowel tissue using a flexible endoscope | 36 | $10,834 | $301 |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 79 | $7,846 | $98 |
| New patient visit (45+ min) | 50 | $7,160 | $143 |
| Short return visit (20+ min) | 86 | $6,624 | $66 |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 39 | $6,235 | $160 |
| Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk | 28 | $6,091 | $218 |
| Biopsy of large bowel using a flexible endoscope | 38 | $5,198 | $133 |
| Colorectal cancer screening; colonoscopy on individual at high risk | 20 | $4,347 | $217 |
| New patient visit (30+ min) | 43 | $3,852 | $90 |
2015: 9 services
| Return visit (30+ min) | 142 | $21,320 | $95 |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 35 | $14,321 | $409 |
| Short return visit (20+ min) | 87 | $7,302 | $65 |
| New patient visit (45+ min) | 45 | $6,526 | $145 |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 19 | $4,695 | $247 |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 43 | $4,233 | $96 |
| Biopsy of large bowel using a flexible endoscope | 23 | $4,154 | $181 |
| Diagnostic exam of large bowel using a flexible endoscope | 22 | $3,889 | $177 |
| New patient visit (30+ min) | 29 | $2,841 | $98 |
2014: 11 services
| Return visit (30+ min) | 116 | $15,076 | $92 |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 28 | $10,444 | $373 |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 31 | $8,422 | $272 |
| Short return visit (20+ min) | 83 | $7,531 | $64 |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 13 | $6,529 | $502 |
| Biopsy of large bowel using a flexible endoscope | 12 | $4,901 | $408 |
| New patient visit (45+ min) | 25 | $3,539 | $142 |
| Biopsy of large bowel using a flexible endoscope | 20 | $3,408 | $170 |
| New patient visit (30+ min) | 27 | $2,652 | $98 |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 20 | $2,065 | $98 |
| Injection beneath lining of large bowel using a flexible endoscope | 23 | $564 | $25 |
2013: 9 services
| Return visit (30+ min) | 112 | $15,684 | $91 |
| Short return visit (20+ min) | 87 | $8,372 | $66 |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 30 | $8,142 | $271 |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 56 | $7,090 | $124 |
| New patient visit (45+ min) | 26 | $3,632 | $140 |
| New patient visit (30+ min) | 32 | $2,907 | $91 |
| Biopsy of large bowel using a flexible endoscope | 19 | $2,274 | $120 |
| Long return visit (40+ min) | 11 | $2,126 | $133 |
| Injection beneath lining of large bowel using a flexible endoscope | 20 | $503 | $25 |
Drugs they prescribed that Part D paid
$331,631
Pharmacies billed $331,631 in 2024.
This is pharmacy cost, not the office bill, and not what patients paid.
1,041 generic and fewer than 11 brand-name prescriptions · $331,631 in drug cost · 76 antibiotic prescriptions to 37 people.
Part D prescriptions only. The opioid rate is opioid prescriptions as a share of all this clinician's Part D prescriptions; surgeons and pain specialists run higher than others, so it is shown against the same specialty.
| Humira | 14 | $93,210 | $6,658 |
| Creon | 45 | $88,215 | $1,960 |
| Linzess | 17 | $19,129 | $1,125 |
| Sod Sulf-Potass Sulf-Mag Sulf | 259 | $16,653 | $64 |
| Motegrity | 13 | $12,419 | $955 |
See all 24 drugs
| Humira | 14 | $93,210 | $6,658 |
| Creon | 45 | $88,215 | $1,960 |
| Linzess | 17 | $19,129 | $1,125 |
| Sod Sulf-Potass Sulf-Mag Sulf | 259 | $16,653 | $64 |
| Motegrity | 13 | $12,419 | $955 |
| Mesalamine | 27 | $10,705 | $396 |
| Sucralfate | 24 | $6,875 | $286 |
| Mesalamine Er | 19 | $4,779 | $252 |
| Dexlansoprazole Dr | 18 | $3,793 | $211 |
| Pantoprazole | 204 | $3,598 | $18 |
| Clenpiq | 20 | $3,477 | $174 |
| Ursodiol | 13 | $3,346 | $257 |
| Budesonide Ec | 14 | $2,785 | $199 |
| Famotidine | 133 | $2,027 | $15 |
| Sutab | 12 | $1,920 | $160 |
| Omeprazole | 120 | $1,807 | $15 |
| Dicyclomine | 19 | $713 | $38 |
| Esomeprazole Magnesium | 11 | $575 | $52 |
| Diphenoxylate-Atropine | 15 | $348 | $23 |
| Zolpidem | 12 | $233 | $19 |
| Amoxicillin-Clavulanate Potass | 18 | $184 | $10 |
| Metronidazole | 11 | $164 | $15 |
| Amlodipine Besylate | 15 | $109 | $7 |
| Ondansetron | 17 | $81 | $5 |
Year by year
| 2024 | 1,302 | 536 | None | None | $331,631 |
| 2023 | 1,314 | 473 | None | None | $401,788 |
| 2022 | 1,311 | 499 | None | None | $305,109 |
| 2021 | 1,381 | 504 | None | None | $226,340 |
| 2020 | 1,145 | 366 | None | None | $186,046 |
| 2019 | 1,133 | 357 | None | None | $192,353 |
| 2018 | 973 | 315 | None | None | $148,926 |
| 2017 | 646 | 171 | None | None | $218,560 |
| 2016 | 677 | 167 | None | None | $95,025 |
| 2015 | 554 | 126 | 0% (0) | 23% | $73,416 |
| 2014 | 365 | 97 | None | 17% | $80,063 |
| 2013 | 359 | 95 | None | 16% | $46,705 |
Part D prescriptions only. A drug prescribed to fewer than 11 people in a year is hidden.
See the drugs prescribed each year
2023: 29 drugs
| Creon | 33 | $94,363 | $2,859 |
| Humira | 13 | $86,847 | $6,681 |
| Linzess | 37 | $30,644 | $828 |
| Mesalamine | 28 | $28,502 | $1,018 |
| Sod Sulf-Potass Sulf-Mag Sulf | 146 | $11,338 | $78 |
| Sutab | 55 | $9,194 | $167 |
| Dexlansoprazole Dr | 15 | $8,640 | $576 |
| Mesalamine Er | 21 | $5,600 | $267 |
| Ursodiol | 13 | $4,599 | $354 |
| Pantoprazole | 229 | $4,193 | $18 |
| Sucralfate | 21 | $3,714 | $177 |
| Famotidine | 142 | $3,224 | $23 |
| Budesonide Dr | 11 | $3,047 | $277 |
| Clenpiq | 16 | $2,755 | $172 |
| Omeprazole | 127 | $2,497 | $20 |
| Suprep | 20 | $2,337 | $117 |
| Cholestyramine | 19 | $1,704 | $90 |
| Dicyclomine | 21 | $1,100 | $52 |
| Esomeprazole Magnesium | 11 | $746 | $68 |
| Amitriptyline | 23 | $471 | $20 |
| Zolpidem | 23 | $312 | $14 |
| Clarithromycin | 11 | $281 | $26 |
| Metronidazole | 13 | $177 | $14 |
| Lactulose | 13 | $145 | $11 |
| Gabapentin | 12 | $117 | $10 |
| Amlodipine Besylate | 16 | $90 | $6 |
| Lorazepam | 12 | $60 | $5 |
| Tamsulosin | 15 | $56 | $4 |
| Ondansetron | 11 | $54 | $5 |
2022: 30 drugs
| Creon | 20 | $55,091 | $2,755 |
| Mesalamine | 25 | $26,729 | $1,069 |
| Linzess | 32 | $24,937 | $779 |
| Clenpiq | 128 | $21,769 | $170 |
| Motegrity | 19 | $19,073 | $1,004 |
| Dexilant | 18 | $12,486 | $694 |
| Suprep | 86 | $9,834 | $114 |
| Sucralfate | 35 | $5,599 | $160 |
| Lubiprostone | 16 | $5,312 | $332 |
| Cholestyramine | 25 | $5,304 | $212 |
| Pantoprazole | 213 | $4,849 | $23 |
| Ursodiol | 11 | $4,224 | $384 |
| Esomeprazole Magnesium | 16 | $3,499 | $219 |
| Omeprazole | 140 | $2,801 | $20 |
| Famotidine | 109 | $2,257 | $21 |
| Sod Sulf-Potass Sulf-Mag Sulf | 27 | $2,149 | $80 |
| Sutab | 12 | $1,988 | $166 |
| Lansoprazole | 11 | $572 | $52 |
| Dicyclomine | 14 | $513 | $37 |
| Diphenoxylate-Atropine | 13 | $481 | $37 |
| Clarithromycin | 15 | $396 | $26 |
| Zolpidem | 18 | $375 | $21 |
| Amitriptyline | 22 | $361 | $16 |
| Escitalopram | 12 | $244 | $20 |
| Amoxicillin-Clavulanate Potass | 14 | $222 | $16 |
| Gabapentin | 13 | $211 | $16 |
| Tenofovir Disoproxil | 12 | $168 | $14 |
| Lorazepam | 19 | $135 | $7 |
| Ondansetron Odt | 12 | $132 | $11 |
| Ondansetron | 17 | $87 | $5 |
2021: 27 drugs
| Mesalamine | 47 | $32,412 | $690 |
| Creon | 18 | $26,739 | $1,485 |
| Dexilant | 40 | $25,730 | $643 |
| Suprep | 184 | $20,182 | $110 |
| Motegrity | 25 | $19,205 | $768 |
| Clenpiq | 94 | $15,145 | $161 |
| Linzess | 18 | $11,678 | $649 |
| Sucralfate | 54 | $6,249 | $116 |
| Esomeprazole Magnesium | 22 | $5,044 | $229 |
| Ursodiol | 13 | $4,863 | $374 |
| Pantoprazole | 182 | $3,851 | $21 |
| Omeprazole | 169 | $3,022 | $18 |
| Famotidine | 104 | $2,957 | $28 |
| Cholestyramine | 15 | $2,684 | $179 |
| Lansoprazole | 12 | $1,314 | $109 |
| Dicyclomine | 17 | $530 | $31 |
| Clarithromycin | 12 | $460 | $38 |
| Zolpidem | 18 | $458 | $25 |
| Sulfasalazine | 12 | $335 | $28 |
| Amitriptyline | 15 | $326 | $22 |
| Lorazepam | 22 | $294 | $13 |
| Tenofovir Disoproxil | 11 | $243 | $22 |
| Metronidazole | 19 | $207 | $11 |
| Escitalopram | 12 | $190 | $16 |
| Amoxicillin-Clavulanate Potass | 15 | $188 | $13 |
| Gabapentin | 14 | $133 | $9 |
| Azathioprine | 11 | $97 | $9 |
2020: 21 drugs
| Mesalamine | 28 | $29,323 | $1,047 |
| Dexilant | 46 | $25,911 | $563 |
| Motegrity | 22 | $16,130 | $733 |
| Budesonide Ec | 37 | $14,577 | $394 |
| Suprep | 140 | $14,574 | $104 |
| Linzess | 12 | $7,340 | $612 |
| Sucralfate | 40 | $6,535 | $163 |
| Vancomycin | 13 | $5,024 | $386 |
| Esomeprazole Magnesium | 13 | $3,386 | $260 |
| Pantoprazole | 161 | $3,267 | $20 |
| Cholestyramine | 16 | $2,697 | $169 |
| Omeprazole | 156 | $2,450 | $16 |
| Famotidine | 78 | $1,875 | $24 |
| Clarithromycin | 14 | $571 | $41 |
| Zolpidem | 23 | $550 | $24 |
| Tenofovir Disoproxil | 13 | $375 | $29 |
| Amitriptyline | 25 | $325 | $13 |
| Lorazepam | 20 | $183 | $9 |
| Escitalopram | 13 | $170 | $13 |
| Sulfasalazine | 11 | $169 | $15 |
| Prednisone | 11 | $149 | $14 |
2019: 25 drugs
| Mesalamine | 42 | $42,124 | $1,003 |
| Dexilant | 55 | $24,689 | $449 |
| Vancomycin | 17 | $19,632 | $1,155 |
| Creon | 13 | $18,176 | $1,398 |
| Suprep | 182 | $18,137 | $100 |
| Budesonide Ec | 21 | $12,790 | $609 |
| Apriso | 12 | $6,372 | $531 |
| Carafate | 23 | $4,864 | $211 |
| Esomeprazole Magnesium | 15 | $3,962 | $264 |
| Pantoprazole | 164 | $3,429 | $21 |
| Omeprazole | 135 | $2,378 | $18 |
| Ranitidine | 49 | $1,029 | $21 |
| Famotidine | 37 | $750 | $20 |
| Sucralfate | 13 | $642 | $49 |
| Fluconazole | 25 | $612 | $24 |
| Tenofovir Disoproxil | 12 | $612 | $51 |
| Zolpidem | 15 | $350 | $23 |
| Amoxicillin-Clavulanate Potass | 15 | $337 | $22 |
| Nortriptyline | 14 | $322 | $23 |
| Rabeprazole | 12 | $312 | $26 |
| Amitriptyline | 28 | $254 | $9 |
| Escitalopram | 19 | $236 | $12 |
| Metronidazole | 12 | $175 | $15 |
| Lorazepam | 18 | $117 | $7 |
| Ondansetron | 12 | $85 | $7 |
2018: 18 drugs
| Budesonide Ec | 21 | $15,423 | $734 |
| Suprep | 141 | $13,231 | $94 |
| Dexilant | 33 | $12,360 | $375 |
| Nexium | 16 | $8,344 | $521 |
| Mesalamine | 13 | $7,432 | $572 |
| Apriso | 12 | $6,115 | $510 |
| Amitiza | 17 | $5,602 | $330 |
| Esomeprazole Magnesium | 26 | $4,284 | $165 |
| Pantoprazole | 188 | $3,330 | $18 |
| Omeprazole | 131 | $2,407 | $18 |
| Ranitidine | 45 | $893 | $20 |
| Sucralfate | 16 | $607 | $38 |
| Nortriptyline | 18 | $362 | $20 |
| Escitalopram | 18 | $360 | $20 |
| Zolpidem | 23 | $297 | $13 |
| Lorazepam | 19 | $156 | $8 |
| Amitriptyline | 26 | $117 | $5 |
| Tamsulosin | 14 | $112 | $8 |
2017: 10 drugs
| Budesonide Ec | 16 | $13,583 | $849 |
| Nexium | 21 | $10,358 | $493 |
| Dexilant | 17 | $6,929 | $408 |
| Esomeprazole Magnesium | 21 | $6,689 | $319 |
| Amitiza | 11 | $3,875 | $352 |
| Omeprazole | 126 | $2,349 | $19 |
| Pantoprazole | 141 | $2,273 | $16 |
| Sucralfate | 16 | $739 | $46 |
| Ranitidine | 33 | $530 | $16 |
| Nortriptyline | 13 | $236 | $18 |
2016: 11 drugs
| Nexium | 21 | $9,428 | $449 |
| Dexilant | 26 | $6,863 | $264 |
| Pantoprazole | 134 | $1,911 | $14 |
| Omeprazole | 118 | $1,623 | $14 |
| Mercaptopurine | 14 | $1,528 | $109 |
| Sucralfate | 32 | $739 | $23 |
| Ranitidine | 38 | $690 | $18 |
| Loperamide | 15 | $242 | $16 |
| Ciprofloxacin | 14 | $221 | $16 |
| Nortriptyline | 13 | $191 | $15 |
| Lorazepam | 16 | $86 | $5 |
2015: 8 drugs
| Nexium | 21 | $8,910 | $424 |
| Dexilant | 17 | $3,702 | $218 |
| Carafate | 16 | $3,228 | $202 |
| Pantoprazole | 163 | $2,092 | $13 |
| Omeprazole | 100 | $1,274 | $13 |
| Sucralfate | 19 | $590 | $31 |
| Ranitidine | 40 | $583 | $15 |
| Ciprofloxacin | 11 | $65 | $6 |
2014: 5 drugs
| Nexium | 12 | $6,162 | $513 |
| Pantoprazole | 134 | $1,476 | $11 |
| Omeprazole | 69 | $1,231 | $18 |
| Ranitidine | 28 | $742 | $27 |
| Sucralfate | 14 | $392 | $28 |
2013: 4 drugs
| Nexium | 12 | $5,724 | $477 |
| Pantoprazole | 123 | $2,139 | $17 |
| Omeprazole | 75 | $1,902 | $25 |
| Ranitidine | 21 | $260 | $12 |
Money from drug and device companies
$31 in 2025
| 2025 | 1 | 1 | None | $31 |
| 2024 | 2 | 2 | None | $239 |
| 2023 | 2 | 2 | None | $38 |
| 2020 | 1 | 1 | None | $15 |
| 2019 | 3 | 4 | None | $92 |
Paid work is consulting, speaking, honoraria and royalties, as opposed to meals and travel.
A payment is not proof that care is biased.
| Pfizer | Velsipity | $31 | 1 payment
|
See the published payment
| Pfizer | Education · 2025-04-14 | Velsipity | $31 |
See earlier years (2024, 2023, 2020, 2019)
2024: $239
| Phathom Pharmaceuticals | Voquezna | $124 | 1 payment
|
| AstraZeneca Pharmaceuticals LP | Lokelma | $116 | 1 payment
|
2023: $38
| Sanofi Pasteur | Fluzone High-Dose | $24 | 1 payment
|
| Abbvie | Linzess | $14 | 1 payment
|
2020: $15
| Merck Sharp & Dohme | Zinplava | $15 | 1 payment
|
2019: $92
| Gilead Sciences | None | $57 | 2 payments
|
| Merck Sharp & Dohme | None | $19 | 1 payment
|
| Takeda Pharmaceuticals U.S.A. | Entyvio | $16 | 1 payment
|
Professional record
- NPI
- 1497841969
- Licence
- CA A89328California A89328: Current · expires 2028-08-31
- Trained
- University of California, Irvine, California College of Medicine, 2003
- Video visits
- Lists video visits
- Gender
- Male
More record details
- Sole proprietor
- No
- Taxonomy
- Federal specialty code 207RG0100X (207RG0100X)
- Mailing address
- 1300 Crane St, Menlo Park, CA, 94025
- NPI first listed
- 2006-10-04
- NPI last updated
- 2024-04-15
- NPI record certified
- 2024-04-15
This is when the NPI record was last certified, not a medical board exam.