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Eric R. Yoo, MD

Gastroenterology · Santa Cruz

NPI 1184155913

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

Looking this up.

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 it
    Overall 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 it
    No 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.

Every scored measure at Dominican Hospital
Postoperative sepsis rateComplications and deaths11.66 (8.02 to 15.3) · 412 casesWorseJul 2022 – Jun 2024
Catheter Associated Urinary Tract Infections (ICU + select Wards)Infections0.168BetterOct 2024 – Sep 2025
Central Line Associated Bloodstream Infection (ICU + select Wards)Infections0.169BetterOct 2024 – Sep 2025
Clostridium Difficile (C.Diff)Infections0.489BetterOct 2024 – Sep 2025
Abdominopelvic accidental puncture or laceration rateComplications and deaths1.01 (0.06 to 1.95) · 1,248 casesNo differentJul 2022 – Jun 2024
CMS Medicare PSI 90: Patient safety and adverse events compositeComplications and deaths1.14 (0.85 to 1.43)No differentJul 2022 – Jun 2024
Death rate among surgical inpatients with serious treatable complicationsComplications and deaths134.37 (94.33 to 174.41) · 132 casesNo differentJul 2022 – Jun 2024
Death rate for CABG surgery patientsComplications and deaths2.4 · 54 casesNoneJul 2022 – Jun 2025
Death rate for COPD patientsComplications and deaths7.2 · 137 casesNoneJul 2022 – Jun 2025
Death rate for heart attack patientsComplications and deaths12 · 228 casesNoneJul 2022 – Jun 2025
Death rate for heart failure patientsComplications and deaths10.5 · 534 casesNoneJul 2022 – Jun 2025
Death rate for pneumonia patientsComplications and deaths12.8 · 491 casesNoneJul 2022 – Jun 2025
Death rate for stroke patientsComplications and deaths8.7 · 278 casesNoneJul 2023 – Jun 2025
Hybrid Hospital-Wide All-Cause Risk Standardized Mortality RateComplications and deaths3.4 · 2,973 casesNoneJul 2024 – Jun 2025
Iatrogenic pneumothorax rateComplications and deaths0.14 (0 to 0.34) · 7,510 casesNo differentJul 2022 – Jun 2024
In-hospital fall-associated fracture rateComplications and deaths0.21 (0.02 to 0.4) · 7,695 casesNo differentJul 2022 – Jun 2024
Perioperative pulmonary embolism or deep vein thrombosis rateComplications and deaths3.42 (1.44 to 5.4) · 1,594 casesNo differentJul 2022 – Jun 2024
Postoperative acute kidney injury requiring dialysis rateComplications and deaths1.26 (0 to 2.76) · 436 casesNo differentJul 2022 – Jun 2024
Postoperative hemorrhage or hematoma rateComplications and deaths1.85 (0.4 to 3.29) · 1,474 casesNo differentJul 2022 – Jun 2024
Postoperative respiratory failure rateComplications and deaths8.73 (3 to 14.46) · 437 casesNo differentJul 2022 – Jun 2024
Postoperative wound dehiscence rateComplications and deaths1.58 (0.13 to 3.03) · 343 casesNo differentJul 2022 – Jun 2024
Pressure ulcer rateComplications and deaths0.57 (0 to 1.17) · 6,336 casesNo differentJul 2022 – Jun 2024
MRSA BacteremiaInfections0.615No differentOct 2024 – Sep 2025
SSI - Colon SurgeryInfections1.937No differentOct 2024 – Sep 2025
Acute Myocardial Infarction (AMI) 30-Day Readmission RateUnplanned return visits16 · 212 casesNoneJul 2023 – Jun 2025
Heart failure (HF) 30-Day Readmission RateUnplanned return visits22 · 505 casesNoneJul 2023 – Jun 2025
Hospital return days for heart attack patientsUnplanned return visits45 · 237 casesNoneJul 2022 – Jun 2025
Hospital return days for heart failure patientsUnplanned return visits-13.5 · 594 casesNoneJul 2022 – Jun 2025
Hospital return days for pneumonia patientsUnplanned return visits1.9 · 510 casesNoneJul 2022 – Jun 2025
Pneumonia (PN) 30-Day Readmission RateUnplanned return visits16.9 · 473 casesNoneJul 2023 – Jun 2025
Rate of emergency department (ED) visits for patients receiving outpatient chemotherapyUnplanned return visits5.2 (3.4 to 7.8) · 126 casesNo differentJan 2024 – Dec 2024
Rate of inpatient admissions for patients receiving outpatient chemotherapyUnplanned return visits13 (9.4 to 17.7) · 126 casesNo differentJan 2024 – Dec 2024
Rate of readmission for CABGUnplanned return visits12.7 · 43 casesNoneJul 2023 – Jun 2025
Rate of readmission for chronic obstructive pulmonary disease (COPD) patientsUnplanned return visits19.7 · 143 casesNoneJul 2023 – Jun 2025
Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies)Unplanned return visits12.1 (9.4 to 15.4) · 1,585 casesNo differentJan 2022 – Dec 2024
Ratio of unplanned hospital visits after hospital outpatient surgeryUnplanned return visits1 (0.7 to 1.3) · 390 casesNo differentJan 2024 – Dec 2024

What patients said (774 patients answered, 23% of those asked)

Patient survey stars by topic at Dominican Hospital
Cleanliness4
Nurse communication4
Doctor communication4
Communication about medicines3
Discharge information4
Overall hospital rating3
Quietness1
Recommend hospital4
Share of patients giving the best answer at Dominican Hospital
Room was "always" clean73%
Nurses "always" communicated well79%
Doctors "always" communicated well81%
Staff "always" explained61%
Yes, staff "did" give patients this information87%
Yes, staff "did" give patients information about help after discharge86%
Doctors "always" explained things so they could understand77%
Doctors "always" listened carefully79%
Doctors "always" treated them with courtesy and respect87%
Patients who gave a rating of "9" or "10" (high)67%
Staff "always" explained new medications75%
Nurses "always" explained things so they could understand76%
Nurses "always" listened carefully76%
Nurses "always" treated them with courtesy and respect85%
"Always" quiet at night32%
"YES", patients would definitely recommend the hospital68%
Staff "always" explained possible side effects48%
Yes, staff "did" give patients information about possible symptoms88%
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.

Every scored measure at Sutter Maternity & Surgery Center of Santa Cruz
Abdominopelvic accidental puncture or laceration rateComplications and deaths1.04 (0 to 2.12) · 59 casesNo differentJul 2022 – Jun 2024
CMS Medicare PSI 90: Patient safety and adverse events compositeComplications and deaths1.01 (0.5 to 1.52)No differentJul 2022 – Jun 2024
Hybrid Hospital-Wide All-Cause Risk Standardized Mortality RateComplications and deaths3.9 · 63 casesNoneJul 2024 – Jun 2025
Iatrogenic pneumothorax rateComplications and deaths0.21 (0 to 0.44) · 118 casesNo differentJul 2022 – Jun 2024
In-hospital fall-associated fracture rateComplications and deaths0.27 (0.05 to 0.49) · 116 casesNo differentJul 2022 – Jun 2024
Perioperative pulmonary embolism or deep vein thrombosis rateComplications and deaths3.36 (0.77 to 5.95) · 113 casesNo differentJul 2022 – Jun 2024
Postoperative acute kidney injury requiring dialysis rateComplications and deaths1.65 (0 to 3.37) · 109 casesNo differentJul 2022 – Jun 2024
Postoperative hemorrhage or hematoma rateComplications and deaths2.28 (0.56 to 4) · 109 casesNo differentJul 2022 – Jun 2024
Postoperative respiratory failure rateComplications and deaths8.41 (0 to 18.05) · 109 casesNo differentJul 2022 – Jun 2024
Postoperative sepsis rateComplications and deaths6.75 (2.52 to 10.98) · 102 casesNo differentJul 2022 – Jun 2024
Postoperative wound dehiscence rateComplications and deaths1.75 (0.23 to 3.28) · 42 casesNo differentJul 2022 – Jun 2024
Pressure ulcer rateComplications and deaths0.61 (0 to 1.94) · 51 casesNo differentJul 2022 – Jun 2024
Rate of complications for hip/knee replacement patientsComplications and deaths3.6 · 30 casesNoneApr 2023 – Mar 2025
Rate of readmission after hip/knee replacementUnplanned return visits5.3 · 32 casesNoneJul 2023 – Jun 2025
Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies)Unplanned return visits11.7 (9.2 to 14.9) · 3,197 casesNo differentJan 2022 – Dec 2024
Ratio of unplanned hospital visits after hospital outpatient surgeryUnplanned return visits0.9 (0.7 to 1.3) · 506 casesNo differentJan 2024 – Dec 2024

What patients said (203 patients answered, 24% of those asked)

Patient survey stars by topic at Sutter Maternity & Surgery Center of Santa Cruz
Cleanliness5
Nurse communication4
Doctor communication4
Communication about medicines3
Discharge information5
Overall hospital rating5
Quietness4
Recommend hospital5
Share of patients giving the best answer at Sutter Maternity & Surgery Center of Santa Cruz
Room was "always" clean84%
Nurses "always" communicated well83%
Doctors "always" communicated well83%
Staff "always" explained62%
Yes, staff "did" give patients this information93%
Yes, staff "did" give patients information about help after discharge96%
Doctors "always" explained things so they could understand79%
Doctors "always" listened carefully83%
Doctors "always" treated them with courtesy and respect88%
Patients who gave a rating of "9" or "10" (high)87%
Staff "always" explained new medications78%
Nurses "always" explained things so they could understand78%
Nurses "always" listened carefully82%
Nurses "always" treated them with courtesy and respect89%
"Always" quiet at night69%
"YES", patients would definitely recommend the hospital85%
Staff "always" explained possible side effects46%
Yes, staff "did" give patients information about possible symptoms90%

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.

Largest Original Medicare bills
Removal of polyps or growths of large bowel using an endoscope with mechanical snare189$39,412$207
Long return visit (40+ min)72$13,182$142
Colorectal cancer screening; colonoscopy on individual at high risk41$7,491$183
Biopsy of large bowel using a flexible endoscope97$7,453$76
Return visit (30+ min)55$5,882$101
See all 13 services
Every Original Medicare service billed
Removal of polyps or growths of large bowel using an endoscope with mechanical snare189$39,412$207
Long return visit (40+ min)72$13,182$142
Colorectal cancer screening; colonoscopy on individual at high risk41$7,491$183
Biopsy of large bowel using a flexible endoscope97$7,453$76
Return visit (30+ min)55$5,882$101
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope66$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 minutes29$2,947$98
New patient visit (45+ min)20$2,717$136
Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk14$2,263$162
Diagnostic exam of large bowel using a flexible endoscope12$1,461$122
Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope14$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 monito142$635$4

Procedures Medicare counted

Procedure volume Medicare published
Colonoscopy66More than 70% of doctors who do this
Upper gastrointestinal (GI) endoscopy for acid reflux103More 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

Original Medicare by year
2024477872740.99$1,098,621$105,515
2023113185731.01$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

Original Medicare services billed in 2023
Removal of polyps or growths of large bowel using an endoscope with mechanical snare29$6,372$220
Long return visit (40+ min)14$2,154$154
Biopsy of large bowel using a flexible endoscope17$1,841$108
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope15$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 monito37$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.

Largest Part D drug costs
Mesalamine25$8,330$333
Gavilyte-G180$2,837$16
Sod Sulf-Potass Sulf-Mag Sulf18$1,067$59
Omeprazole68$1,010$15
Peg-3350 and Electrolytes53$817$15
See all 6 drugs
Every Part D drug this clinician prescribed
Mesalamine25$8,330$333
Gavilyte-G180$2,837$16
Sod Sulf-Potass Sulf-Mag Sulf18$1,067$59
Omeprazole68$1,010$15
Peg-3350 and Electrolytes53$817$15
Pantoprazole26$438$17

Year by year

Part D prescribing by year
20244293070% (0)17%$53,223
202314120% (0)None$1,583
202271190% (0)None$50,954
202187250% (0)29%$153,414
202022150% (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

Part D drugs prescribed in 2022
Omeprazole21$576$27
Pantoprazole13$335$26

2021: 2 drugs

Part D drugs prescribed in 2021
Omeprazole14$314$22
Pantoprazole18$172$10

Money from drug and device companies

$125 in 2022

A payment is not proof that care is biased.

Payments by company
AbbvieHumira$125
1 payment
  • Meals for Humira · 2022-09-21 · $125
See the published payment
Every published payment
AbbvieMeals · 2022-09-21Humira$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.