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Angela E Chen, MD

General Surgery · San Jose

NPI 1720003791

Medicare standing
1 flag on the record
Listed below.
Plans that list them
18
3 carriers
Office
1

On the public record

  • 1 Medical Board action on record

Offices

1 location · County of Santa Clara · 1,000 clinicians in this group

Looking this up.

Hospitals listed: Santa Clara Valley Medical Center. That is not proof they admit you there this week.

Plans that list them

18 plans · 3 carriers

A missing listing does not mean out of network. Directories change, and a listing does not cover every office. Call Dr. Chen’s office at (408) 885-5000 to confirm they take your plan. Ask about the office you use, its medical group, referrals and appointments.

18 of 18 plans

Plans whose provider directory lists this clinician
Alignment Health BreathEasy (HMO C-SNP)Alignment Health PlanListedOct 3, 2026
Alignment Health Clarity (HMO C-SNP)Alignment Health PlanListedOct 3, 2026
Alignment Health Harmony (HMO)Alignment Health PlanListedOct 3, 2026
Alignment Health Heart & Diabetes (HMO C-SNP)Alignment Health PlanListedOct 3, 2026
Alignment Health Heart & Diabetes CalPlus (HMO C-SNP)Alignment Health PlanListedOct 3, 2026
Alignment Health Heart & Diabetes Care (HMO C-SNP)Alignment Health PlanListedSep 28, 2026
Alignment Health Heart & Diabetes Choice (HMO C-SNP)Alignment Health PlanListedSep 28, 2026
Alignment Health Honor+ Plan (HMO)Alignment Health PlanListedOct 3, 2026
Alignment Health My Choice CalCare (HMO)Alignment Health PlanListedOct 3, 2026
Alignment Health Silicon (HMO C-SNP)Alignment Health PlanListedOct 3, 2026
Alignment Health smartHMO (HMO)Alignment Health PlanListedOct 3, 2026
Alignment Health the ONE (HMO)Alignment Health PlanListedOct 3, 2026
Central Health Classic Care Plan III (HMO)Central Health Medicare PlanListedAug 15, 2026
Central Health Dual Access Plan (HMO D-SNP)Central Health Medicare PlanListedAug 15, 2026
Central Health Embrace Care Plan (HMO C-SNP)Central Health Medicare PlanListed, may be out of dateSep 15, 2025
Central Health Embrace Choice Plan (HMO C-SNP)Central Health Medicare PlanListedAug 15, 2026
Central Health Valor Care Plan (HMO)Central Health Medicare PlanListedAug 15, 2026
DualConnect (HMO D-SNP)Santa Clara Family Health PlanListedSep 1, 2026

California Medical Board record

Licence A95612 · Current

Licensed to practise in California · since 2006 · expires 2027-12-31 · University of Oklahoma College of Medicine. Board flags: Probation Completed.

Public record actions

Actions the Medical Board of California publishes for this licence
2021-05-25Board disciplineDisciplineProbation completed. · 8002014010298

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.

  • Santa Clara Valley Medical CenterSan Jose, CAAcute Care Hospital · Government - Local · Has an emergency department · Birthing-friendlyPart of Santa Clara Valley Health and Hospital System, which runs 3 hospitalsPatients rate it 3 of 5 · 70% would definitely recommend it
    Overall rating: 2 of 5 starsWorse than the national rate — SSI - Colon Surgery: 2.572, Oct 2024 – Sep 2025Better than the national rate — Central Line Associated Bloodstream Infection (ICU + select Wards): 0.563, Oct 2024 – Sep 2025Better than the national rate — Clostridium Difficile (C.Diff): 0.256, Oct 2024 – Sep 2025Better than the national rate — MRSA Bacteremia: 0.369, Oct 2024 – Sep 2025
See every measure and the patient survey for Santa Clara Valley Medical Center

Behind the star rating — Deaths: 2 better, 6 the same, 0 worse of 8 measures. Safety: 2 better, 5 the same, 1 worse of 8 measures. Readmissions: 0 better, 10 the same, 1 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 Santa Clara Valley Medical Center
SSI - Colon SurgeryInfections2.572WorseOct 2024 – Sep 2025
Central Line Associated Bloodstream Infection (ICU + select Wards)Infections0.563BetterOct 2024 – Sep 2025
Clostridium Difficile (C.Diff)Infections0.256BetterOct 2024 – Sep 2025
MRSA BacteremiaInfections0.369BetterOct 2024 – Sep 2025
Abdominopelvic accidental puncture or laceration rateComplications and deaths1.25 (0.3 to 2.2) · 1,535 casesNo differentJul 2022 – Jun 2024
CMS Medicare PSI 90: Patient safety and adverse events compositeComplications and deaths1.07 (0.76 to 1.38)No differentJul 2022 – Jun 2024
Death rate among surgical inpatients with serious treatable complicationsComplications and deaths214.59 (167.38 to 261.8) · 108 casesNo differentJul 2022 – Jun 2024
Death rate for CABG surgery patientsComplications and deaths2.8 · 41 casesNoneJul 2022 – Jun 2025
Death rate for COPD patientsComplications and deaths6 · 141 casesNoneJul 2022 – Jun 2025
Death rate for heart attack patientsComplications and deaths10.2 · 124 casesNoneJul 2022 – Jun 2025
Death rate for heart failure patientsComplications and deaths8.3 · 501 casesNoneJul 2022 – Jun 2025
Death rate for pneumonia patientsComplications and deaths14.9 · 653 casesNoneJul 2022 – Jun 2025
Death rate for stroke patientsComplications and deaths10.1 · 348 casesNoneJul 2023 – Jun 2025
Hybrid Hospital-Wide All-Cause Risk Standardized Mortality RateComplications and deaths3 · 4,502 casesNoneJul 2024 – Jun 2025
Iatrogenic pneumothorax rateComplications and deaths0.24 (0.04 to 0.43) · 9,014 casesNo differentJul 2022 – Jun 2024
In-hospital fall-associated fracture rateComplications and deaths0.34 (0.15 to 0.52) · 9,216 casesNo differentJul 2022 – Jun 2024
Perioperative pulmonary embolism or deep vein thrombosis rateComplications and deaths4.54 (2.51 to 6.58) · 1,421 casesNo differentJul 2022 – Jun 2024
Postoperative acute kidney injury requiring dialysis rateComplications and deaths1.54 (0 to 3.2) · 288 casesNo differentJul 2022 – Jun 2024
Postoperative hemorrhage or hematoma rateComplications and deaths2.11 (0.66 to 3.56) · 1,446 casesNo differentJul 2022 – Jun 2024
Postoperative respiratory failure rateComplications and deaths11.61 (4.09 to 19.14) · 294 casesNo differentJul 2022 – Jun 2024
Postoperative sepsis rateComplications and deaths7.29 (3.39 to 11.2) · 299 casesNo differentJul 2022 – Jun 2024
Postoperative wound dehiscence rateComplications and deaths1.9 (0.45 to 3.36) · 333 casesNo differentJul 2022 – Jun 2024
Pressure ulcer rateComplications and deaths0.23 (0 to 0.78) · 7,538 casesNo differentJul 2022 – Jun 2024
Rate of complications for hip/knee replacement patientsComplications and deaths5.4 · 94 casesNoneApr 2023 – Mar 2025
Catheter Associated Urinary Tract Infections (ICU + select Wards)Infections0.735No differentOct 2024 – Sep 2025
SSI - Abdominal HysterectomyInfections2.573No differentOct 2024 – Sep 2025
Acute Myocardial Infarction (AMI) 30-Day Readmission RateUnplanned return visits14.6 · 185 casesNoneJul 2023 – Jun 2025
Heart failure (HF) 30-Day Readmission RateUnplanned return visits22.1 · 951 casesNoneJul 2023 – Jun 2025
Hospital return days for heart attack patientsUnplanned return visits56.3 · 128 casesNoneJul 2022 – Jun 2025
Hospital return days for heart failure patientsUnplanned return visits6.4 · 644 casesNoneJul 2022 – Jun 2025
Hospital return days for pneumonia patientsUnplanned return visits1.3 · 699 casesNoneJul 2022 – Jun 2025
Pneumonia (PN) 30-Day Readmission RateUnplanned return visits16.3 · 921 casesNoneJul 2023 – Jun 2025
Rate of emergency department (ED) visits for patients receiving outpatient chemotherapyUnplanned return visits5.7 (3.9 to 8.1) · 226 casesNo differentJan 2024 – Dec 2024
Rate of inpatient admissions for patients receiving outpatient chemotherapyUnplanned return visits12.6 (9.4 to 16.5) · 226 casesNo differentJan 2024 – Dec 2024
Rate of readmission after hip/knee replacementUnplanned return visits5.4 · 94 casesNoneJul 2023 – Jun 2025
Rate of readmission for CABGUnplanned return visits11.4 · 54 casesNoneJul 2023 – Jun 2025
Rate of readmission for chronic obstructive pulmonary disease (COPD) patientsUnplanned return visits20.3 · 242 casesNoneJul 2023 – Jun 2025
Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies)Unplanned return visits13.2 (9.9 to 17.4) · 702 casesNo differentJan 2022 – Dec 2024
Ratio of unplanned hospital visits after hospital outpatient surgeryUnplanned return visits1 (0.7 to 1.4) · 195 casesNo differentJan 2024 – Dec 2024

What patients said (4,032 patients answered, 29% of those asked)

Patient survey stars by topic at Santa Clara Valley Medical Center
Cleanliness3
Nurse communication3
Doctor communication3
Communication about medicines3
Discharge information2
Overall hospital rating3
Quietness2
Recommend hospital4
Share of patients giving the best answer at Santa Clara Valley Medical Center
Room was "always" clean70%
Nurses "always" communicated well73%
Doctors "always" communicated well76%
Staff "always" explained57%
Yes, staff "did" give patients this information82%
Yes, staff "did" give patients information about help after discharge82%
Doctors "always" explained things so they could understand71%
Doctors "always" listened carefully74%
Doctors "always" treated them with courtesy and respect82%
Patients who gave a rating of "9" or "10" (high)67%
Staff "always" explained new medications71%
Nurses "always" explained things so they could understand71%
Nurses "always" listened carefully69%
Nurses "always" treated them with courtesy and respect80%
"Always" quiet at night43%
"YES", patients would definitely recommend the hospital70%
Staff "always" explained possible side effects44%
Yes, staff "did" give patients information about possible symptoms83%

Original Medicare doctor bills

$14,168

Medicare paid this office $14,168 for 51 people.

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

Largest Original Medicare bills
Subsequent hospital care with straightforward or low level of medical decision making, per day at least 25 minutes18$848$42

Procedures Medicare counted

Procedure volume Medicare published
Hernia repair - groin (open)1-10None

Who their Medicare patients are

51 Original Medicare patients in 2024. Average age 69 · Under 65 26% · Women 55% · Health risk score 2.45. Above the middle of the specialty; the typical general surgery clinician is at 1.69.

Conditions among them: High blood pressure 75% · Diabetes 53% · Coronary heart disease 43% · Chronic kidney disease 41% · Heart failure 35% · Atrial fibrillation 31% · Depression 31% · COPD 22% · Dementia 22%.

The office billed $162,578, Medicare allowed $18,178 and paid $14,168; for 72 services of 24 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
20245172692.45$162,578$14,168
20235399731.77$201,892$17,266
20224282761.90$132,831$12,377
20213869732.21$153,862$12,836
202080130722.56$181,473$17,996
2019126254731.80$270,103$30,861
201888181712.27$144,675$20,100
2017103178722.53$153,959$20,668
2016132287663.37$273,247$34,499
201553103672.76$138,113$16,399
201370107654.30$102,906$15,425

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: 1 service

Original Medicare services billed in 2023
Subsequent hospital care with straightforward or low level of medical decision making, per day at least 25 minutes28$1,976$46

2022: 1 service

Original Medicare services billed in 2022
Subsequent hospital care with straightforward or low level of medical decision making, per day at least 25 minutes17$1,106$37

2021: 1 service

Original Medicare services billed in 2021
Subsequent hospital care with straightforward or low level of medical decision making, per day at least 25 minutes22$1,026$38

2020: 2 services

Original Medicare services billed in 2020
Subsequent hospital care with straightforward or low level of medical decision making, per day at least 25 minutes33$2,309$41
Initial hospital care with straightforward or low level of medical decision making, per day at least 40 minutes14$1,391$99

2019: 4 services

Original Medicare services billed in 2019
Subsequent hospital care with straightforward or low level of medical decision making, per day at least 25 minutes53$4,096$34
Hospital discharge day management, 30 minutes or less18$1,089$60
Short return visit (20+ min)11$445$40
Short return visit13$371$22

2018: 3 services

Original Medicare services billed in 2018
Subsequent hospital care with straightforward or low level of medical decision making, per day at least 25 minutes39$2,413$34
Initial hospital care with straightforward or low level of medical decision making, per day at least 40 minutes12$1,078$90
Short return visit12$319$19

2017: 3 services

Original Medicare services billed in 2017
Subsequent hospital care with straightforward or low level of medical decision making, per day at least 25 minutes38$2,067$34
Short return visit (20+ min)12$443$37
Short return visit14$331$18

2016: 5 services

Original Medicare services billed in 2016
Subsequent hospital care with straightforward or low level of medical decision making, per day at least 25 minutes54$3,787$32
Return visit (30+ min)30$2,016$65
Short return visit (20+ min)28$1,116$40
Hospital discharge day management, 30 minutes or less16$991$62
Short return visit23$609$21

2015: 2 services

Original Medicare services billed in 2015
Subsequent hospital care with straightforward or low level of medical decision making, per day at least 25 minutes17$974$30
Short return visit (20+ min)11$489$41

2013: 3 services

Original Medicare services billed in 2013
Long return visit (40+ min)17$1,438$85
Subsequent hospital care with straightforward or low level of medical decision making, per day at least 25 minutes17$1,050$32
Short return visit11$239$20

Medicaid work

$2,558 in 2019

Medicaid paid $2,558 for 206 billed services this clinician did in 2019, up to 24 people in a month for one service.

Medicaid and CHIP claims where this clinician did the service, fee-for-service and managed care together. Any month with fewer than 11 patients is hidden, so small Medicaid practices undercount.

Largest Medicaid services in 2019
SBSQ HOSPITAL IP/OBS CARE SF/LOW MDM 25 MINUTES180$2,434
Short return visit26$124
Medicaid work by year
2019206224$2,558
2018179223$3,100
See the largest Medicaid services in earlier years

2018

Largest Medicaid services in 2018
SBSQ HOSPITAL IP/OBS CARE SF/LOW MDM 25 MINUTES167$3,005
New patient visit (30+ min)12$95

Money from drug and device companies

$2,545 in 2024

Industry payments by year
202414None$2,545
202311None$146
201911None$50

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
Intuitive SurgicalDavinci Xi$2,545
4 payments
  • Meals for Da Vinci Surgical System · 2024-11-12 · $1
  • Meals for Da Vinci Surgical System · 2024-10-31 · $28
  • Meals for Da Vinci Surgical System · 2024-10-30 · $16
  • Education for Davinci Xi · 2024-10-30 · $2,500
See all 4 published payments
Every published payment
Intuitive SurgicalMeals · 2024-11-12Da Vinci Surgical System$1
Intuitive SurgicalMeals · 2024-10-31Da Vinci Surgical System$28
Intuitive SurgicalMeals · 2024-10-30Da Vinci Surgical System$16
Intuitive SurgicalEducation · 2024-10-30Davinci Xi$2,500
See earlier years (2023, 2019)

2023: $146

Payments by company in 2023
Janssen PharmaceuticalsXarelto$146
1 payment
  • Meals for Xarelto · 2023-03-15 · $146

2019: $50

Payments by company in 2019
Veloxis PharmaceuticalsEnvarsus$50
1 payment
  • Meals for Envarsus · 2019-01-12 · $50

Checkups this office reported

Medicare did not publish checkup rates for this clinician.

Medicare’s overall office score
80.6 / 100
Scores the office’s reporting and systems. It is not a grade for how the doctor treats you.

Professional record

NPI
1720003791
Licence
CA A95612California A95612: Current · expires 2027-12-31
Trained
University of Oklahoma College of Medicine, 2001
Gender
Female
More record details
Sole proprietor
No
Taxonomy
Surgery (208600000X); Federal specialty code 2086S0127X (2086S0127X)
Mailing address
12589 Wardell Ct, Saratoga, CA, 95070
NPI first listed
2006-07-12
NPI last updated
2012-10-24

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