Eric R. Yoo, MD
Gastroenterology · Santa Cruz
- 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
- 4
Offices
4 locations · Sutter Bay Medical Foundation · 3,783 clinicians in this group
Hospitals listed: Dominican Hospital · Sutter Maternity & Surgery Center of Santa Cruz. 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 Dr. Yoo’s office to ask if they take your plan before you enroll.
California Medical Board record
Licence A157128 · Current
Licensed to practise in California · since 2018 · expires 2028-07-31 · University of Illinois College of Medicine.
No disciplinary actions, convictions, malpractice judgments or citations in this record.
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.
- Dominican HospitalSanta Cruz, CAAcute Care Hospital · Voluntary non-profit - Private · Has an emergency department · Birthing-friendlyPart of CommonSpirit Health, which runs 145 hospitals in 19 statesPatients rate it 4 of 5 · 68% would definitely recommend itOverall rating: 4 of 5 starsWorse than the national rate — Postoperative sepsis rate: 11.66 (8.02 to 15.3) · 412 cases, Jul 2022 – Jun 2024Better than the national rate — Catheter Associated Urinary Tract Infections (ICU + select Wards): 0.168, Oct 2024 – Sep 2025Better than the national rate — Central Line Associated Bloodstream Infection (ICU + select Wards): 0.169, Oct 2024 – Sep 2025Better than the national rate — Clostridium Difficile (C.Diff): 0.489, Oct 2024 – Sep 2025
- Sutter Maternity & Surgery Center of Santa CruzSanta Cruz, CAAcute Care Hospital · Voluntary non-profit - Private · No emergency department · Birthing-friendlyPart of Sutter Health, which runs 27 hospitals in 2 statesPatients rate it 4 of 5 · 85% would definitely recommend itNo overall ratingNo measure marked better or worse than the national rate
See every measure and the patient survey for Dominican Hospital
Behind the star rating — Deaths: 1 better, 7 the same, 0 worse of 8 measures. Safety: 2 better, 5 the same, 0 worse of 7 measures. Readmissions: 1 better, 8 the same, 2 worse of 11 measures. The star rating is worked out from an earlier period than the measures below, so the two can disagree.
| Postoperative sepsis rateComplications and deaths | 11.66 (8.02 to 15.3) · 412 cases | Worse | Jul 2022 – Jun 2024 |
| Catheter Associated Urinary Tract Infections (ICU + select Wards)Infections | 0.168 | Better | Oct 2024 – Sep 2025 |
| Central Line Associated Bloodstream Infection (ICU + select Wards)Infections | 0.169 | Better | Oct 2024 – Sep 2025 |
| Clostridium Difficile (C.Diff)Infections | 0.489 | Better | Oct 2024 – Sep 2025 |
| Abdominopelvic accidental puncture or laceration rateComplications and deaths | 1.01 (0.06 to 1.95) · 1,248 cases | No different | Jul 2022 – Jun 2024 |
| CMS Medicare PSI 90: Patient safety and adverse events compositeComplications and deaths | 1.14 (0.85 to 1.43) | No different | Jul 2022 – Jun 2024 |
| Death rate among surgical inpatients with serious treatable complicationsComplications and deaths | 134.37 (94.33 to 174.41) · 132 cases | No different | Jul 2022 – Jun 2024 |
| Death rate for CABG surgery patientsComplications and deaths | 2.4 · 54 cases | None | Jul 2022 – Jun 2025 |
| Death rate for COPD patientsComplications and deaths | 7.2 · 137 cases | None | Jul 2022 – Jun 2025 |
| Death rate for heart attack patientsComplications and deaths | 12 · 228 cases | None | Jul 2022 – Jun 2025 |
| Death rate for heart failure patientsComplications and deaths | 10.5 · 534 cases | None | Jul 2022 – Jun 2025 |
| Death rate for pneumonia patientsComplications and deaths | 12.8 · 491 cases | None | Jul 2022 – Jun 2025 |
| Death rate for stroke patientsComplications and deaths | 8.7 · 278 cases | None | Jul 2023 – Jun 2025 |
| Hybrid Hospital-Wide All-Cause Risk Standardized Mortality RateComplications and deaths | 3.4 · 2,973 cases | None | Jul 2024 – Jun 2025 |
| Iatrogenic pneumothorax rateComplications and deaths | 0.14 (0 to 0.34) · 7,510 cases | No different | Jul 2022 – Jun 2024 |
| In-hospital fall-associated fracture rateComplications and deaths | 0.21 (0.02 to 0.4) · 7,695 cases | No different | Jul 2022 – Jun 2024 |
| Perioperative pulmonary embolism or deep vein thrombosis rateComplications and deaths | 3.42 (1.44 to 5.4) · 1,594 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative acute kidney injury requiring dialysis rateComplications and deaths | 1.26 (0 to 2.76) · 436 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative hemorrhage or hematoma rateComplications and deaths | 1.85 (0.4 to 3.29) · 1,474 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative respiratory failure rateComplications and deaths | 8.73 (3 to 14.46) · 437 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative wound dehiscence rateComplications and deaths | 1.58 (0.13 to 3.03) · 343 cases | No different | Jul 2022 – Jun 2024 |
| Pressure ulcer rateComplications and deaths | 0.57 (0 to 1.17) · 6,336 cases | No different | Jul 2022 – Jun 2024 |
| MRSA BacteremiaInfections | 0.615 | No different | Oct 2024 – Sep 2025 |
| SSI - Colon SurgeryInfections | 1.937 | No different | Oct 2024 – Sep 2025 |
| Acute Myocardial Infarction (AMI) 30-Day Readmission RateUnplanned return visits | 16 · 212 cases | None | Jul 2023 – Jun 2025 |
| Heart failure (HF) 30-Day Readmission RateUnplanned return visits | 22 · 505 cases | None | Jul 2023 – Jun 2025 |
| Hospital return days for heart attack patientsUnplanned return visits | 45 · 237 cases | None | Jul 2022 – Jun 2025 |
| Hospital return days for heart failure patientsUnplanned return visits | -13.5 · 594 cases | None | Jul 2022 – Jun 2025 |
| Hospital return days for pneumonia patientsUnplanned return visits | 1.9 · 510 cases | None | Jul 2022 – Jun 2025 |
| Pneumonia (PN) 30-Day Readmission RateUnplanned return visits | 16.9 · 473 cases | None | Jul 2023 – Jun 2025 |
| Rate of emergency department (ED) visits for patients receiving outpatient chemotherapyUnplanned return visits | 5.2 (3.4 to 7.8) · 126 cases | No different | Jan 2024 – Dec 2024 |
| Rate of inpatient admissions for patients receiving outpatient chemotherapyUnplanned return visits | 13 (9.4 to 17.7) · 126 cases | No different | Jan 2024 – Dec 2024 |
| Rate of readmission for CABGUnplanned return visits | 12.7 · 43 cases | None | Jul 2023 – Jun 2025 |
| Rate of readmission for chronic obstructive pulmonary disease (COPD) patientsUnplanned return visits | 19.7 · 143 cases | None | Jul 2023 – Jun 2025 |
| Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies)Unplanned return visits | 12.1 (9.4 to 15.4) · 1,585 cases | No different | Jan 2022 – Dec 2024 |
| Ratio of unplanned hospital visits after hospital outpatient surgeryUnplanned return visits | 1 (0.7 to 1.3) · 390 cases | No different | Jan 2024 – Dec 2024 |
What patients said (774 patients answered, 23% of those asked)
| Cleanliness | 4 |
| Nurse communication | 4 |
| Doctor communication | 4 |
| Communication about medicines | 3 |
| Discharge information | 4 |
| Overall hospital rating | 3 |
| Quietness | 1 |
| Recommend hospital | 4 |
| Room was "always" clean | 73% |
| Nurses "always" communicated well | 79% |
| Doctors "always" communicated well | 81% |
| Staff "always" explained | 61% |
| Yes, staff "did" give patients this information | 87% |
| Yes, staff "did" give patients information about help after discharge | 86% |
| Doctors "always" explained things so they could understand | 77% |
| Doctors "always" listened carefully | 79% |
| Doctors "always" treated them with courtesy and respect | 87% |
| Patients who gave a rating of "9" or "10" (high) | 67% |
| Staff "always" explained new medications | 75% |
| Nurses "always" explained things so they could understand | 76% |
| Nurses "always" listened carefully | 76% |
| Nurses "always" treated them with courtesy and respect | 85% |
| "Always" quiet at night | 32% |
| "YES", patients would definitely recommend the hospital | 68% |
| Staff "always" explained possible side effects | 48% |
| Yes, staff "did" give patients information about possible symptoms | 88% |
See every measure and the patient survey for Sutter Maternity & Surgery Center of Santa Cruz
Behind the star rating — Deaths: 0 better, 1 the same, 0 worse of 1 measures. Safety: 0 better, 2 the same, 0 worse of 2 measures. Readmissions: 0 better, 4 the same, 0 worse of 4 measures. The star rating is worked out from an earlier period than the measures below, so the two can disagree.
| Abdominopelvic accidental puncture or laceration rateComplications and deaths | 1.04 (0 to 2.12) · 59 cases | No different | Jul 2022 – Jun 2024 |
| CMS Medicare PSI 90: Patient safety and adverse events compositeComplications and deaths | 1.01 (0.5 to 1.52) | No different | Jul 2022 – Jun 2024 |
| Hybrid Hospital-Wide All-Cause Risk Standardized Mortality RateComplications and deaths | 3.9 · 63 cases | None | Jul 2024 – Jun 2025 |
| Iatrogenic pneumothorax rateComplications and deaths | 0.21 (0 to 0.44) · 118 cases | No different | Jul 2022 – Jun 2024 |
| In-hospital fall-associated fracture rateComplications and deaths | 0.27 (0.05 to 0.49) · 116 cases | No different | Jul 2022 – Jun 2024 |
| Perioperative pulmonary embolism or deep vein thrombosis rateComplications and deaths | 3.36 (0.77 to 5.95) · 113 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative acute kidney injury requiring dialysis rateComplications and deaths | 1.65 (0 to 3.37) · 109 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative hemorrhage or hematoma rateComplications and deaths | 2.28 (0.56 to 4) · 109 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative respiratory failure rateComplications and deaths | 8.41 (0 to 18.05) · 109 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative sepsis rateComplications and deaths | 6.75 (2.52 to 10.98) · 102 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative wound dehiscence rateComplications and deaths | 1.75 (0.23 to 3.28) · 42 cases | No different | Jul 2022 – Jun 2024 |
| Pressure ulcer rateComplications and deaths | 0.61 (0 to 1.94) · 51 cases | No different | Jul 2022 – Jun 2024 |
| Rate of complications for hip/knee replacement patientsComplications and deaths | 3.6 · 30 cases | None | Apr 2023 – Mar 2025 |
| Rate of readmission after hip/knee replacementUnplanned return visits | 5.3 · 32 cases | None | Jul 2023 – Jun 2025 |
| Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies)Unplanned return visits | 11.7 (9.2 to 14.9) · 3,197 cases | No different | Jan 2022 – Dec 2024 |
| Ratio of unplanned hospital visits after hospital outpatient surgeryUnplanned return visits | 0.9 (0.7 to 1.3) · 506 cases | No different | Jan 2024 – Dec 2024 |
What patients said (203 patients answered, 24% of those asked)
| Cleanliness | 5 |
| Nurse communication | 4 |
| Doctor communication | 4 |
| Communication about medicines | 3 |
| Discharge information | 5 |
| Overall hospital rating | 5 |
| Quietness | 4 |
| Recommend hospital | 5 |
| Room was "always" clean | 84% |
| Nurses "always" communicated well | 83% |
| Doctors "always" communicated well | 83% |
| Staff "always" explained | 62% |
| Yes, staff "did" give patients this information | 93% |
| Yes, staff "did" give patients information about help after discharge | 96% |
| Doctors "always" explained things so they could understand | 79% |
| Doctors "always" listened carefully | 83% |
| Doctors "always" treated them with courtesy and respect | 88% |
| Patients who gave a rating of "9" or "10" (high) | 87% |
| Staff "always" explained new medications | 78% |
| Nurses "always" explained things so they could understand | 78% |
| Nurses "always" listened carefully | 82% |
| Nurses "always" treated them with courtesy and respect | 89% |
| "Always" quiet at night | 69% |
| "YES", patients would definitely recommend the hospital | 85% |
| Staff "always" explained possible side effects | 46% |
| Yes, staff "did" give patients information about possible symptoms | 90% |
Original Medicare doctor bills
$105,515
Medicare paid this office $105,515 for 477 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 | 189 | $39,412 | $207 |
| Long return visit (40+ min) | 72 | $13,182 | $142 |
| Colorectal cancer screening; colonoscopy on individual at high risk | 41 | $7,491 | $183 |
| Biopsy of large bowel using a flexible endoscope | 97 | $7,453 | $76 |
| Return visit (30+ min) | 55 | $5,882 | $101 |
See all 13 services
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 189 | $39,412 | $207 |
| Long return visit (40+ min) | 72 | $13,182 | $142 |
| Colorectal cancer screening; colonoscopy on individual at high risk | 41 | $7,491 | $183 |
| Biopsy of large bowel using a flexible endoscope | 97 | $7,453 | $76 |
| Return visit (30+ min) | 55 | $5,882 | $101 |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 66 | $5,552 | $84 |
| New patient visit (60+ min) | 16 | $2,954 | $185 |
| Initial hospital care with straightforward or low-level medical decision making at least 55 minutes | 29 | $2,947 | $98 |
| New patient visit (45+ min) | 20 | $2,717 | $136 |
| Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk | 14 | $2,263 | $162 |
| Diagnostic exam of large bowel using a flexible endoscope | 12 | $1,461 | $122 |
| Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 14 | $1,197 | $86 |
| 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 | 142 | $635 | $4 |
Procedures Medicare counted
| Colonoscopy | 66 | More than 70% of doctors who do this |
| Upper gastrointestinal (GI) endoscopy for acid reflux | 103 | More than 77% of doctors who do this |
Who their Medicare patients are
477 Original Medicare patients in 2024. Average age 74 · Under 65 5% · 85 and older 6% · Women 59% · Also on Medicaid 11% · Health risk score 0.99. At or below the middle of the specialty; the typical gastroenterology clinician is at 1.42.
Conditions among them: High blood pressure 57% · Diabetes 21% · Coronary heart disease 20% · Atrial fibrillation 17% · Depression 16% · Chronic kidney disease 15% · Heart failure 13% · Cancer 13% · COPD 9% · Stroke 4% · Dementia 3%.
The office billed $1,098,621, Medicare allowed $129,598 and paid $105,515; for 872 services of 33 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 | 477 | 872 | 74 | 0.99 | $1,098,621 | $105,515 |
| 2023 | 113 | 185 | 73 | 1.01 | $196,109 | $21,073 |
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: 5 services
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 29 | $6,372 | $220 |
| Long return visit (40+ min) | 14 | $2,154 | $154 |
| Biopsy of large bowel using a flexible endoscope | 17 | $1,841 | $108 |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 15 | $1,390 | $93 |
| 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 | 37 | $181 | $5 |
Drugs they prescribed that Part D paid
$53,223
Pharmacies billed $53,223 in 2024.
This is pharmacy cost, not the office bill, and not what patients paid.
Opioids were 0% of their Part D prescriptions (0 of 429) in 2024. At or below the middle of the specialty; the typical gastroenterology clinician is at 0%.
356 generic and 73 brand-name prescriptions · $53,223 in drug cost.
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.
| Mesalamine | 25 | $8,330 | $333 |
| Gavilyte-G | 180 | $2,837 | $16 |
| Sod Sulf-Potass Sulf-Mag Sulf | 18 | $1,067 | $59 |
| Omeprazole | 68 | $1,010 | $15 |
| Peg-3350 and Electrolytes | 53 | $817 | $15 |
See all 6 drugs
| Mesalamine | 25 | $8,330 | $333 |
| Gavilyte-G | 180 | $2,837 | $16 |
| Sod Sulf-Potass Sulf-Mag Sulf | 18 | $1,067 | $59 |
| Omeprazole | 68 | $1,010 | $15 |
| Peg-3350 and Electrolytes | 53 | $817 | $15 |
| Pantoprazole | 26 | $438 | $17 |
Year by year
| 2024 | 429 | 307 | 0% (0) | 17% | $53,223 |
| 2023 | 14 | 12 | 0% (0) | None | $1,583 |
| 2022 | 71 | 19 | 0% (0) | None | $50,954 |
| 2021 | 87 | 25 | 0% (0) | 29% | $153,414 |
| 2020 | 22 | 15 | 0% (0) | None | $50,896 |
Part D prescriptions only. A drug prescribed to fewer than 11 people in a year is hidden.
See the drugs prescribed each year
2022: 2 drugs
| Omeprazole | 21 | $576 | $27 |
| Pantoprazole | 13 | $335 | $26 |
2021: 2 drugs
| Omeprazole | 14 | $314 | $22 |
| Pantoprazole | 18 | $172 | $10 |
Money from drug and device companies
$125 in 2022
A payment is not proof that care is biased.
| Abbvie | Humira | $125 | 1 payment
|
See the published payment
| Abbvie | Meals · 2022-09-21 | Humira | $125 |
Checkups this office reported
Medicare did not publish checkup rates for this clinician.
- Medicare’s overall office score
- 84.9 / 100
- Scores the office’s reporting and systems. It is not a grade for how the doctor treats you.
Professional record
- NPI
- 1184155913
- Licence
- CA A157128California A157128: Current · expires 2028-07-31
- Trained
- University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb), 2016
- Video visits
- Lists video visits
- Gender
- Male
More record details
- Sole proprietor
- No
- Taxonomy
- Federal specialty code 207RG0100X (207RG0100X)
- Mailing address
- 325 Distel Cir, Los Altos, CA, 94022
- NPI first listed
- 2017-03-23
- NPI last updated
- 2023-09-29
- NPI record certified
- 2023-09-29
This is when the NPI record was last certified, not a medical board exam.