Angela Shunzu Chen, D.O.
Family Medicine Physician · San Jose, CA
Angela Shunzu Chen, D.O. is a family medicine physician with a practice address in San Jose, California, and NPI 1942735873, issued on Apr 28, 2017. Check the license (California 20A19663, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Angela Shunzu Chen
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 20A19663 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1721 Technology Dr, San Jose, CA 95110
- Phone
- (408) 436-3300
- Enumerated
- Apr 28, 2017
- Record last updated
- Sep 5, 2022
- Medicare enrollment
- Enrolled (PECOS I20221028000925); accepts Medicare assignment
- Medical or professional school
- Touro Un Col Of Osteopathic Medicine, Henderson, 2017
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 1721 Technology Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jeng-Yun Chen, PHARMDPharmacist1568586311
- Karey Crone, FNPFamily Nurse Practitioner1407633076
- Cristine Geraldine Flandez, FNP-BCFamily Nurse Practitioner1962050724
- Jennifer Gonzalez Oseguera, DOFamily Medicine Physician1366079485
- Isabella JajehPhysical Therapist1083534234
- Kelly Kahari, M.D.Pediatrics Physician1922367382
Verify Angela Shunzu Chen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A19663Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% fewer Medicare Part D claims than the average family medicine physician in 2024
536 Medicare Part D claims for 147 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 16 claims were for opioids.
Most prescribed
- Atorvastatin Calcium62 claims
- Rosuvastatin Calcium41 claims
- Amlodipine Besylate32 claims
- Losartan Potassium30 claims
- Metformin Hcl18 claims
- Metformin Hcl Er16 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $97.79
1 payment: food and beverage; the largest payer was Boehringer Ingelheim Pharmaceuticals, Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- EL Camino Health Medical Network LLCMountain View, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Angela Shunzu Chen among 17,133 family medicine physician records in California
Angela Shunzu Chen, D.O. is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 79% of them.
- NPI issued2017 · 79% of these records are older, 18% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2017 · median 2005 among the 10,652 with a school on file
- Record last updated2022 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
265 family medicine physician records list a practice address in San Jose
They are 265 of the 20,925 NPPES records with a practice address in San Jose, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in San Jose → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Angela Bymaster, MDSan Jose, CA 951101437392263
- Melissa De LeonSan Jose, CA 951101003478637
- Jennifer Gonzalez Oseguera, DOSan Jose, CA 951101366079485
- Angela MapanaoSan Jose, CA 951101376171413
- Eureka Wu, DOSan Jose, CA 951101598260598
- William Yuen, MDSan Jose, CA 951101871113662
- Nhat Mai, M.D.San Jose, CA 951111417023029
- Tung Nguyen, DOSan Jose, CA 951111013982024
Common questions
What is Angela Shunzu Chen, D.O.'s NPI number?
Angela Shunzu Chen, D.O.'s National Provider Identifier (NPI) is 1942735873, issued on Apr 28, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Angela Shunzu Chen, D.O. located?
The NPPES record lists a practice address at 1721 Technology Dr, San Jose, CA, 95110. Phone: (408) 436-3300. Providers update this record themselves, so call before visiting.
How can I verify Angela Shunzu Chen, D.O.'s license?
NPPES lists California license number 20A19663, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Angela Shunzu Chen, D.O. prescribe under Medicare Part D?
In 2024, Angela Shunzu Chen, D.O. had 536 Medicare Part D claims for 147 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.