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Alfred F Tobias, PA

Physician Assistant · Stanford

NPI 1609124965

Medicare standing
Clear
Enrolled, allowed to bill and order, not excluded
Plans that list them
Not verified
Not the same as out of network.
Offices
3

Offices

3 locations · Stanford Health Care · 3,152 clinicians in this group

Looking this up.

Hospitals listed: Stanford Health Care · Stanford Health Care Tri-Valley. That is not proof they admit you there this week.

Plan participation

Not verified

We could not verify current plan participation for this doctor. This does not mean they are out of network. Call Alfred F Tobias’s office at (650) 723-4000 to ask if they take your plan before you enroll.

Hospitals they work in

2 hospitals

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 it
    Overall 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
  • Stanford Health Care Tri-ValleyPleasanton, CAAcute Care Hospital · Voluntary non-profit - Private · Has an emergency department · Birthing-friendlyPart of Stanford Health Care, which runs 3 hospitalsPatients rate it 3 of 5 · 74% would definitely recommend it
    Overall rating: 5 of 5 starsBetter than the national rate — Central Line Associated Bloodstream Infection (ICU + select Wards): 0.178, Oct 2024 – Sep 2025Better than the national rate — Clostridium Difficile (C.Diff): 0.237, Oct 2024 – Sep 2025
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.

Every scored measure at Stanford Health Care
Perioperative pulmonary embolism or deep vein thrombosis rateComplications and deaths5.31 (4.24 to 6.37) · 8,661 casesWorseJul 2022 – Jun 2024
Rate of inpatient admissions for patients receiving outpatient chemotherapyUnplanned return visits14.1 (12.7 to 15.7) · 2,191 casesWorseJan 2024 – Dec 2024
Postoperative respiratory failure rateComplications and deaths4.08 (1.95 to 6.21) · 5,296 casesBetterJul 2022 – Jun 2024
Catheter Associated Urinary Tract Infections (ICU + select Wards)Infections0.317BetterOct 2024 – Sep 2025
Clostridium Difficile (C.Diff)Infections0.446BetterOct 2024 – Sep 2025
SSI - Colon SurgeryInfections0.241BetterOct 2024 – Sep 2025
Ratio of unplanned hospital visits after hospital outpatient surgeryUnplanned return visits0.7 (0.6 to 0.9) · 3,348 casesBetterJan 2024 – Dec 2024
Abdominopelvic accidental puncture or laceration rateComplications and deaths1.06 (0.45 to 1.67) · 5,374 casesNo differentJul 2022 – Jun 2024
CMS Medicare PSI 90: Patient safety and adverse events compositeComplications and deaths0.86 (0.72 to 1)No differentJul 2022 – Jun 2024
Death rate among surgical inpatients with serious treatable complicationsComplications and deaths166.09 (137.88 to 194.3) · 470 casesNo differentJul 2022 – Jun 2024
Death rate for CABG surgery patientsComplications and deaths1.1 · 192 casesNoneJul 2022 – Jun 2025
Death rate for COPD patientsComplications and deaths6.4 · 146 casesNoneJul 2022 – Jun 2025
Death rate for heart attack patientsComplications and deaths9.7 · 253 casesNoneJul 2022 – Jun 2025
Death rate for heart failure patientsComplications and deaths6.3 · 880 casesNoneJul 2022 – Jun 2025
Death rate for pneumonia patientsComplications and deaths10.3 · 935 casesNoneJul 2022 – Jun 2025
Death rate for stroke patientsComplications and deaths8.7 · 501 casesNoneJul 2023 – Jun 2025
Hybrid Hospital-Wide All-Cause Risk Standardized Mortality RateComplications and deaths2.1 · 7,730 casesNoneJul 2024 – Jun 2025
Iatrogenic pneumothorax rateComplications and deaths0.13 (0 to 0.27) · 20,799 casesNo differentJul 2022 – Jun 2024
In-hospital fall-associated fracture rateComplications and deaths0.28 (0.14 to 0.43) · 23,182 casesNo differentJul 2022 – Jun 2024
Postoperative acute kidney injury requiring dialysis rateComplications and deaths0.94 (0.2 to 1.68) · 5,694 casesNo differentJul 2022 – Jun 2024
Postoperative hemorrhage or hematoma rateComplications and deaths2.36 (1.54 to 3.19) · 7,846 casesNo differentJul 2022 – Jun 2024
Postoperative sepsis rateComplications and deaths5.2 (3.76 to 6.64) · 5,603 casesNo differentJul 2022 – Jun 2024
Postoperative wound dehiscence rateComplications and deaths1.38 (0.23 to 2.53) · 2,211 casesNo differentJul 2022 – Jun 2024
Pressure ulcer rateComplications and deaths0.52 (0.21 to 0.83) · 19,915 casesNo differentJul 2022 – Jun 2024
Rate of complications for hip/knee replacement patientsComplications and deaths3.6 · 416 casesNoneApr 2023 – Mar 2025
Central Line Associated Bloodstream Infection (ICU + select Wards)Infections0.869No differentOct 2024 – Sep 2025
MRSA BacteremiaInfections0.857No differentOct 2024 – Sep 2025
SSI - Abdominal HysterectomyInfections0.368No differentOct 2024 – Sep 2025
Acute Myocardial Infarction (AMI) 30-Day Readmission RateUnplanned return visits16.2 · 247 casesNoneJul 2023 – Jun 2025
Heart failure (HF) 30-Day Readmission RateUnplanned return visits20.5 · 1,021 casesNoneJul 2023 – Jun 2025
Hospital return days for heart attack patientsUnplanned return visits47.8 · 258 casesNoneJul 2022 – Jun 2025
Hospital return days for heart failure patientsUnplanned return visits-1.6 · 990 casesNoneJul 2022 – Jun 2025
Hospital return days for pneumonia patientsUnplanned return visits20.8 · 976 casesNoneJul 2022 – Jun 2025
Pneumonia (PN) 30-Day Readmission RateUnplanned return visits16.5 · 959 casesNoneJul 2023 – Jun 2025
Rate of emergency department (ED) visits for patients receiving outpatient chemotherapyUnplanned return visits5.2 (4.4 to 6.2) · 2,191 casesNo differentJan 2024 – Dec 2024
Rate of readmission after hip/knee replacementUnplanned return visits5.1 · 425 casesNoneJul 2023 – Jun 2025
Rate of readmission for CABGUnplanned return visits9.6 · 158 casesNoneJul 2023 – Jun 2025
Rate of readmission for chronic obstructive pulmonary disease (COPD) patientsUnplanned return visits19.6 · 183 casesNoneJul 2023 – Jun 2025
Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies)Unplanned return visits12.7 (10.4 to 15.4) · 4,578 casesNo differentJan 2022 – Dec 2024

What patients said (6,810 patients answered, 25% of those asked)

Patient survey stars by topic at Stanford Health Care
Cleanliness4
Nurse communication4
Doctor communication4
Communication about medicines3
Discharge information4
Overall hospital rating4
Quietness2
Recommend hospital5
Share of patients giving the best answer at Stanford Health Care
Room was "always" clean75%
Nurses "always" communicated well82%
Doctors "always" communicated well81%
Staff "always" explained63%
Yes, staff "did" give patients this information89%
Yes, staff "did" give patients information about help after discharge89%
Doctors "always" explained things so they could understand76%
Doctors "always" listened carefully80%
Doctors "always" treated them with courtesy and respect87%
Patients who gave a rating of "9" or "10" (high)79%
Staff "always" explained new medications76%
Nurses "always" explained things so they could understand77%
Nurses "always" listened carefully79%
Nurses "always" treated them with courtesy and respect88%
"Always" quiet at night53%
"YES", patients would definitely recommend the hospital83%
Staff "always" explained possible side effects50%
Yes, staff "did" give patients information about possible symptoms90%
See every measure and the patient survey for Stanford Health Care Tri-Valley

Behind the star rating — Deaths: 2 better, 6 the same, 0 worse of 8 measures. Safety: 2 better, 5 the same, 0 worse of 7 measures. Readmissions: 2 better, 7 the same, 0 worse of 9 measures. The star rating is worked out from an earlier period than the measures below, so the two can disagree.

Every scored measure at Stanford Health Care Tri-Valley
Central Line Associated Bloodstream Infection (ICU + select Wards)Infections0.178BetterOct 2024 – Sep 2025
Clostridium Difficile (C.Diff)Infections0.237BetterOct 2024 – Sep 2025
Abdominopelvic accidental puncture or laceration rateComplications and deaths0.79 (0 to 1.73) · 1,041 casesNo differentJul 2022 – Jun 2024
CMS Medicare PSI 90: Patient safety and adverse events compositeComplications and deaths0.79 (0.5 to 1.08)No differentJul 2022 – Jun 2024
Death rate among surgical inpatients with serious treatable complicationsComplications and deaths145.81 (96.5 to 195.12) · 72 casesNo differentJul 2022 – Jun 2024
Death rate for CABG surgery patientsComplications and deaths2.9 · 55 casesNoneJul 2022 – Jun 2025
Death rate for COPD patientsComplications and deaths8.6 · 92 casesNoneJul 2022 – Jun 2025
Death rate for heart attack patientsComplications and deaths12.5 · 96 casesNoneJul 2022 – Jun 2025
Death rate for heart failure patientsComplications and deaths9.5 · 395 casesNoneJul 2022 – Jun 2025
Death rate for pneumonia patientsComplications and deaths10.3 · 391 casesNoneJul 2022 – Jun 2025
Death rate for stroke patientsComplications and deaths10.1 · 162 casesNoneJul 2023 – Jun 2025
Hybrid Hospital-Wide All-Cause Risk Standardized Mortality RateComplications and deaths3 · 1,736 casesNoneJul 2024 – Jun 2025
Iatrogenic pneumothorax rateComplications and deaths0.16 (0 to 0.37) · 4,425 casesNo differentJul 2022 – Jun 2024
In-hospital fall-associated fracture rateComplications and deaths0.22 (0.02 to 0.41) · 4,771 casesNo differentJul 2022 – Jun 2024
Perioperative pulmonary embolism or deep vein thrombosis rateComplications and deaths3.45 (1.46 to 5.44) · 1,403 casesNo differentJul 2022 – Jun 2024
Postoperative acute kidney injury requiring dialysis rateComplications and deaths1.5 (0.05 to 2.94) · 645 casesNo differentJul 2022 – Jun 2024
Postoperative hemorrhage or hematoma rateComplications and deaths1.81 (0.38 to 3.24) · 1,279 casesNo differentJul 2022 – Jun 2024
Postoperative respiratory failure rateComplications and deaths8.53 (3.2 to 13.85) · 639 casesNo differentJul 2022 – Jun 2024
Postoperative sepsis rateComplications and deaths5.15 (1.89 to 8.41) · 648 casesNo differentJul 2022 – Jun 2024
Postoperative wound dehiscence rateComplications and deaths1.61 (0.14 to 3.07) · 370 casesNo differentJul 2022 – Jun 2024
Pressure ulcer rateComplications and deaths0.16 (0 to 0.83) · 4,160 casesNo differentJul 2022 – Jun 2024
Rate of complications for hip/knee replacement patientsComplications and deaths4 · 74 casesNoneApr 2023 – Mar 2025
Catheter Associated Urinary Tract Infections (ICU + select Wards)Infections0.369No differentOct 2024 – Sep 2025
MRSA BacteremiaInfections1.112No differentOct 2024 – Sep 2025
SSI - Colon SurgeryInfections0No differentOct 2024 – Sep 2025
Acute Myocardial Infarction (AMI) 30-Day Readmission RateUnplanned return visits13.1 · 110 casesNoneJul 2023 – Jun 2025
Heart failure (HF) 30-Day Readmission RateUnplanned return visits20.1 · 437 casesNoneJul 2023 – Jun 2025
Hospital return days for heart attack patientsUnplanned return visits-5.8 · 94 casesNoneJul 2022 – Jun 2025
Hospital return days for heart failure patientsUnplanned return visits-19.3 · 456 casesNoneJul 2022 – Jun 2025
Hospital return days for pneumonia patientsUnplanned return visits-0.3 · 402 casesNoneJul 2022 – Jun 2025
Pneumonia (PN) 30-Day Readmission RateUnplanned return visits15.8 · 358 casesNoneJul 2023 – Jun 2025
Rate of emergency department (ED) visits for patients receiving outpatient chemotherapyUnplanned return visits6.8 (4.7 to 9.6) · 198 casesNo differentJan 2024 – Dec 2024
Rate of inpatient admissions for patients receiving outpatient chemotherapyUnplanned return visits10.1 (7.5 to 13.6) · 198 casesNo differentJan 2024 – Dec 2024
Rate of readmission after hip/knee replacementUnplanned return visits5.3 · 80 casesNoneJul 2023 – Jun 2025
Rate of readmission for CABGUnplanned return visits10.9 · 46 casesNoneJul 2023 – Jun 2025
Rate of readmission for chronic obstructive pulmonary disease (COPD) patientsUnplanned return visits19.3 · 92 casesNoneJul 2023 – Jun 2025
Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies)Unplanned return visits12.4 (9.6 to 16.2) · 1,532 casesNo differentJan 2022 – Dec 2024
Ratio of unplanned hospital visits after hospital outpatient surgeryUnplanned return visits1 (0.8 to 1.2) · 929 casesNo differentJan 2024 – Dec 2024

What patients said (1,268 patients answered, 26% of those asked)

Patient survey stars by topic at Stanford Health Care Tri-Valley
Cleanliness3
Nurse communication3
Doctor communication4
Communication about medicines3
Discharge information4
Overall hospital rating3
Quietness2
Recommend hospital4
Share of patients giving the best answer at Stanford Health Care Tri-Valley
Room was "always" clean65%
Nurses "always" communicated well77%
Doctors "always" communicated well79%
Staff "always" explained58%
Yes, staff "did" give patients this information88%
Yes, staff "did" give patients information about help after discharge88%
Doctors "always" explained things so they could understand74%
Doctors "always" listened carefully78%
Doctors "always" treated them with courtesy and respect86%
Patients who gave a rating of "9" or "10" (high)70%
Staff "always" explained new medications72%
Nurses "always" explained things so they could understand73%
Nurses "always" listened carefully74%
Nurses "always" treated them with courtesy and respect84%
"Always" quiet at night42%
"YES", patients would definitely recommend the hospital74%
Staff "always" explained possible side effects44%
Yes, staff "did" give patients information about possible symptoms89%

Original Medicare doctor bills

$35,588

Medicare paid this office $35,588 for 241 people.

This is what Medicare paid the clinician — not Medicare Advantage, and not the pharmacy.

Largest Original Medicare bills
Return visit (30+ min)206$26,698$86
Long return visit (40+ min)29$5,869$130
New patient visit (45+ min)14$1,466$105

Who their Medicare patients are

241 Original Medicare patients in 2024. Average age 73 · Under 65 6% · 85 and older 7% · Women 54% · Also on Medicaid 34% · Health risk score 1.77. Above the middle of the specialty; the typical physician assistant clinician is at 1.31.

Conditions among them: High blood pressure 72% · Diabetes 42% · Chronic kidney disease 27% · Coronary heart disease 21% · Cancer 18% · Depression 17% · Heart failure 15% · COPD 11% · Atrial fibrillation 11% · Stroke 7% · Dementia 6%.

The office billed $299,638, Medicare allowed $48,353 and paid $35,588; for 391 services of 5 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

Original Medicare by year
2024241391731.77$299,638$35,588
2023226358731.92$237,397$26,177
2022190280711.85$147,529$17,999
2021106179731.93$85,985$12,895
2020104140761.42$35,159$8,964
2019276387761.18$110,943$27,091
2018246324761.25$95,908$24,857
2017198228751.43$69,542$16,917
2016425540731.23$94,683$37,274
2015434601731.15$103,180$48,495
2014425537731.21$94,750$43,274
2013400522721.11$98,015$44,759

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: 2 services

Original Medicare services billed in 2023
Return visit (30+ min)211$21,809$70
New patient visit (45+ min)16$1,771$111

2022: 3 services

Original Medicare services billed in 2022
Return visit (30+ min)160$14,495$68
New patient visit (30+ min)23$1,362$59
Short return visit (20+ min)19$540$27

2021: 2 services

Original Medicare services billed in 2021
Return visit (30+ min)81$10,335$79
Short return visit (20+ min)27$1,332$46

2020: 4 services

Original Medicare services billed in 2020
Return visit (30+ min)49$4,569$76
New patient visit (30+ min)14$1,263$90
Short return visit (20+ min)18$1,139$57
Measurement of liver stiffness23$735$32

2019: 5 services

Original Medicare services billed in 2019
Return visit (30+ min)156$16,085$80
New patient visit (30+ min)85$6,971$82
Measurement of liver stiffness40$1,259$31
Short return visit36$1,214$34
Short return visit (20+ min)19$997$52

2018: 6 services

Original Medicare services billed in 2018
Return visit (30+ min)147$14,915$83
New patient visit (30+ min)63$5,176$82
New patient visit (45+ min)13$1,692$130
Short return visit (20+ min)17$944$56
Measurement of liver stiffness19$661$35
Short return visit16$580$36

2017: 3 services

Original Medicare services billed in 2017
Return visit (30+ min)111$9,800$77
New patient visit (30+ min)77$5,772$75
Short return visit (20+ min)13$706$54

2016: 4 services

Original Medicare services billed in 2016
Return visit (30+ min)233$22,469$71
New patient visit (45+ min)75$6,876$92
New patient visit (30+ min)63$4,249$67
Short return visit (20+ min)84$3,565$41

2015: 4 services

Original Medicare services billed in 2015
Return visit (30+ min)304$33,152$76
New patient visit (45+ min)115$12,350$107
Short return visit (20+ min)31$1,652$53
New patient visit (30+ min)12$792$66

2014: 2 services

Original Medicare services billed in 2014
Return visit (30+ min)315$30,100$73
New patient visit (45+ min)118$12,417$105

2013: 2 services

Original Medicare services billed in 2013
Return visit (30+ min)280$27,537$74
New patient visit (45+ min)132$13,711$104

Drugs they prescribed that Part D paid

$1,054,828

Pharmacies billed $1,054,828 in 2024.

This is pharmacy cost, not the office bill, and not what patients paid.

852 generic and 437 brand-name prescriptions · $1,054,828 in drug cost · 65 antibiotic prescriptions to 15 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.

Largest Part D drug costs
Vemlidy283$460,761$1,628
Xifaxan65$196,993$3,031
Baraclude23$43,140$1,876
Entecavir314$39,550$126
Ursodiol145$33,122$228
See all 15 drugs
Every Part D drug this clinician prescribed
Vemlidy283$460,761$1,628
Xifaxan65$196,993$3,031
Baraclude23$43,140$1,876
Entecavir314$39,550$126
Ursodiol145$33,122$228
Tenofovir Disoproxil26$15,402$592
Budesonide Ec20$4,790$239
Azathioprine63$2,712$43
Lactulose55$2,377$43
Fenofibrate12$836$70
Spironolactone43$478$11
Furosemide40$228$6
Pantoprazole11$215$20
Prednisone40$194$5
Carvedilol23$123$5

Year by year

Part D prescribing by year
20241,289240None34%$1,054,828
20231,6922840% (0)35%$1,763,858
20221,4552560% (0)37%$1,469,477
2021893204None27%$398,766
2020406153NoneNone$39,636
20196672810% (0)None$76,775
2018586320NoneNone$55,994
20177853990% (0)None$48,419
20162,672589None21%$364,117
20152,311552NoneNone$609,068
20142,543552NoneNone$269,496
20131,662458None31%$199,757

Part D prescriptions only. A drug prescribed to fewer than 11 people in a year is hidden.

See the drugs prescribed each year

2023: 20 drugs

Part D drugs prescribed in 2023
Vemlidy385$579,582$1,505
Epclusa15$400,570$26,705
Xifaxan73$246,819$3,381
Ocaliva16$192,966$12,060
Entecavir336$61,230$182
Baraclude32$57,050$1,783
Ursodiol210$43,147$205
Viread13$17,415$1,340
Tenofovir Disoproxil24$12,084$504
Budesonide Ec13$9,996$769
Azathioprine95$4,458$47
Lactulose51$2,477$49
Tacrolimus27$1,899$70
Spironolactone85$1,492$18
Mycophenolate Mofetil14$1,385$99
Emtricitabine-Tenofovir Disop11$1,160$105
Furosemide76$518$7
Prednisone53$498$9
Famotidine11$376$34
Propranolol15$321$21

2022: 19 drugs

Part D drugs prescribed in 2022
Vemlidy324$443,194$1,368
Ocaliva20$313,497$15,675
Xifaxan86$270,046$3,140
Entecavir241$52,890$219
Baraclude25$46,770$1,871
Ursodiol148$35,103$237
Viread13$17,415$1,340
Budesonide Ec11$7,466$679
Tenofovir Disoproxil13$4,977$383
Lactulose47$4,682$100
Azathioprine74$3,870$52
Mycophenolate Mofetil27$2,776$103
Tacrolimus36$2,586$72
Spironolactone83$1,774$21
Prednisone67$665$10
Furosemide81$507$6
Propranolol18$344$19
Pantoprazole18$258$14
Amiloride13$233$18

2021: 19 drugs

Part D drugs prescribed in 2021
Xifaxan45$127,188$2,826
Vemlidy90$113,315$1,259
Ursodiol136$32,099$236
Baraclude12$22,179$1,848
Entecavir116$21,204$183
Viread13$17,415$1,340
Budesonide Ec17$7,010$412
Tenofovir Disoproxil14$5,729$409
Mycophenolate Mofetil23$2,276$99
Azathioprine56$2,228$40
Budesonide Dr15$1,821$121
Lactulose37$1,559$42
Spironolactone60$1,149$19
Furosemide51$522$10
Propranolol15$469$31
Prednisone42$403$10
Omeprazole17$270$16
Pantoprazole14$219$16
Fenofibrate11$206$19

2020: 10 drugs

Part D drugs prescribed in 2020
Dexilant14$13,104$936
Tenofovir Disoproxil13$3,006$231
Omeprazole125$2,066$17
Esomeprazole Magnesium28$1,948$70
Suprep13$1,370$105
Cholestyramine11$1,016$92
Famotidine30$923$31
Budesonide Ec11$912$83
Pantoprazole52$778$15
Peg 3350-Electrolyte18$265$15

2019: 12 drugs

Part D drugs prescribed in 2019
Dexilant30$20,283$676
Suprep38$3,809$100
Tenofovir Disoproxil12$2,592$216
Omeprazole130$2,111$16
Pantoprazole94$1,816$19
Esomeprazole Magnesium26$1,753$67
Peg 3350-Electrolyte63$1,096$17
Budesonide Ec11$824$75
Gavilyte-N42$660$16
Ranitidine46$433$9
Dicyclomine28$424$15
Famotidine20$262$13

2018: 12 drugs

Part D drugs prescribed in 2018
Dexilant19$15,998$842
Suprep47$4,400$94
Esomeprazole Magnesium16$3,464$216
Moviprep20$2,007$100
Peg 3350-Electrolyte80$1,374$17
Omeprazole82$1,125$14
Pantoprazole66$1,072$16
Gavilyte-N56$981$18
Lansoprazole12$709$59
Polyethylene Glycol 335023$410$18
Ranitidine34$328$10
Dicyclomine32$266$8

2017: 12 drugs

Part D drugs prescribed in 2017
Dexilant25$8,360$334
Moviprep16$1,577$99
Sucralfate102$1,510$15
Peg 3350-Electrolyte105$1,434$14
Pantoprazole105$1,412$13
Omeprazole128$1,407$11
Suprep12$1,061$88
Cholestyramine14$778$56
Gavilyte-N37$602$16
Polyethylene Glycol 335030$592$20
Dicyclomine53$356$7
Famotidine14$77$6

2016: 33 drugs

Part D drugs prescribed in 2016
Xifaxan20$40,005$2,000
Dexilant72$30,444$423
Lialda28$27,497$982
Nexium57$24,828$436
Esomeprazole Magnesium60$20,626$344
Linzess43$15,673$364
Ursodiol28$13,570$485
Delzicol24$12,089$504
Creon17$8,297$488
Sucralfate495$7,458$15
Pantoprazole419$6,457$15
Omeprazole376$4,698$12
Carafate14$3,911$279
Misoprostol49$3,460$71
Cholestyramine47$3,430$73
Suprep41$3,374$82
Dicyclomine280$2,182$8
Prepopik11$1,338$122
Prevalite15$1,198$80
Lansoprazole33$1,148$35
Peg 3350-Electrolyte62$997$16
Gavilyte-N54$916$17
Polyethylene Glycol 335046$681$15
Balsalazide Disodium11$584$53
Bethanechol Chloride16$571$36
Ondansetron Odt19$536$28
Ondansetron29$479$17
Ranitidine28$393$14
Metoclopramide66$374$6
Sulfasalazine11$340$31
Spironolactone19$333$18
Famotidine26$205$8
Promethazine13$147$11

2015: 29 drugs

Part D drugs prescribed in 2015
Harvoni12$379,829$31,652
Dexilant87$35,649$410
Lialda32$26,567$830
Nexium59$24,968$423
Sucralfate415$9,098$22
Ursodiol17$8,735$514
Linzess26$8,655$333
Amitiza17$5,860$345
Esomeprazole Magnesium20$5,690$284
Suprep66$5,299$80
Pantoprazole376$5,269$14
Lansoprazole29$4,715$163
Cholestyramine45$4,647$103
Omeprazole340$4,539$13
Misoprostol30$2,001$67
Dicyclomine196$1,404$7
Polyethylene Glycol 335071$1,335$19
Rabeprazole18$1,199$67
Ondansetron34$1,004$30
Gavilyte-N47$866$18
Peg 3350-Electrolyte49$855$17
Bethanechol Chloride14$710$51
Proctosol-Hc13$315$24
Metoclopramide41$219$5
Spironolactone17$188$11
Ranitidine12$187$16
Ciprofloxacin11$80$7
Famotidine14$71$5
Prednisone11$47$4

2014: 34 drugs

Part D drugs prescribed in 2014
Nexium114$46,719$410
Dexilant95$31,002$326
Xifaxan14$19,652$1,404
Lialda20$11,942$597
Amitiza25$11,496$460
Sucralfate414$9,241$22
Pantoprazole446$8,713$20
Creon16$8,294$518
Lansoprazole55$7,571$138
Budesonide Ec11$6,829$621
Omeprazole404$6,200$15
Delzicol14$5,062$362
Cholestyramine31$3,964$128
Suprep46$3,592$78
Linzess14$3,539$253
Welchol11$2,701$246
Misoprostol34$2,275$67
Rabeprazole21$2,202$105
Kristalose12$2,148$179
Polyethylene Glycol 335047$2,091$44
Dicyclomine181$1,852$10
Prepopik13$1,152$89
Gavilyte-N62$1,062$17
Peg-335059$1,047$18
Ondansetron35$645$18
Sulfasalazine13$624$48
Metoclopramide78$534$7
Bethanechol Chloride14$357$26
Spironolactone14$356$25
Trilyte With Flavor Packets16$292$18
Metronidazole16$252$16
Ranitidine11$207$19
Proctosol-Hc11$142$13
Ciprofloxacin11$88$8

2013: 21 drugs

Part D drugs prescribed in 2013
Nexium109$34,777$319
Xifaxan15$20,283$1,352
Dexilant61$14,748$242
Aciphex24$8,945$373
Amitiza13$7,060$543
Delzicol18$6,377$354
Omeprazole293$5,477$19
Lansoprazole33$4,972$151
Sucralfate230$4,810$21
Pantoprazole199$4,091$21
Suprep28$2,028$72
Ursodiol14$1,785$127
Cholestyramine15$1,374$92
Polyethylene Glycol 335039$1,245$32
Dicyclomine124$1,128$9
Gavilyte-N59$1,127$19
Ondansetron34$1,005$30
Peg-3350 With Flavor Packs48$941$20
Ranitidine15$234$16
Metronidazole12$204$17
Metoclopramide28$194$7

Money from drug and device companies

$244 in 2025

Industry payments by year
202522None$244
202411None$130
202311None$103
202211None$19

Paid work is consulting, speaking, honoraria and royalties, as opposed to meals and travel.

A payment is not proof that care is biased.

Payments by company
Salix Pharmaceuticals a division of Bausch Health USXifaxan$125
1 payment
  • Meals for Xifaxan · 2025-04-02 · $125
Gilead SciencesLivdelzi$120
1 payment
  • Meals for Livdelzi · 2025-05-20 · $120
See all 2 published payments
Every published payment
Gilead SciencesMeals · 2025-05-20Livdelzi$120
Salix Pharmaceuticals a division of Bausch Health USMeals · 2025-04-02Xifaxan$125
See earlier years (2024, 2023, 2022)

2024: $130

Payments by company in 2024
Gilead SciencesVemlidy$130
1 payment
  • Meals for Vemlidy · 2024-06-11 · $130

2023: $103

Payments by company in 2023
ArdelyxIbsrela$103
1 payment
  • Meals for Ibsrela · 2023-09-19 · $103

2022: $19

Payments by company in 2022
Gilead SciencesNone$19
1 payment
  • Meals · 2022-09-14 · $19

Checkups this office reported

Medicare did not publish checkup rates for this clinician.

Medicare’s overall office score
76.5 / 100
Scores the office’s reporting and systems. It is not a grade for how the doctor treats you.

Professional record

NPI
1609124965
Licence
CA PA22402
Video visits
Lists video visits
Gender
Male
More record details
Sole proprietor
No
Taxonomy
Physician assistant (363A00000X); Physician assistant, surgical (363AS0400X)
Mailing address
300 Pasteur Dr, Stanford, CA, 94305
NPI first listed
2012-08-16
NPI last updated
2025-12-19
NPI record certified
2025-12-19

This is when the NPI record was last certified, not a medical board exam.