Carolyn Sze-Yun Chen, MD
Family Medicine Physician · San Francisco, CA
Carolyn Sze-Yun Chen, MD is a family medicine physician with a practice address in San Francisco, California, and NPI 1649203332, issued on Jul 8, 2006. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Carolyn Sze-Yun Chen
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- DR.0042843 CO
Self-reported in NPPES; status is on the state search - Practice location
- 101 Mission St Ste 800, San Francisco, CA 94105
- Phone
- (415) 231-5333
- Enumerated
- Jul 8, 2006
- Record last updated
- Jun 16, 2023
- Fax
- (415) 231-5332
- Medicaid ID
- 38008238 CO
- Medicare enrollment
- Enrolled (PECOS I20061116000209); may accept Medicare assignment
- Medical or professional school
- Un Of California, Irvine, College Of Medicine, 2003
- 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 101 Mission St Ste 800
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sarah Carlson, M.D.Family Medicine Physician1669455382
- Caitlin Dzera, DOFamily Medicine Physician1831550888
- Alisha Goodrum, M.D.Addiction Medicine (Internal Medicine) Physician1275945909
- Steven Groke, MDEmergency Medicine Physician1255629994
- Fatimah Jah, MDFamily Medicine Physician1063513570
- Suniti Kumar, M.D.Family Medicine Physician1265450951
Verify Carolyn Sze-Yun Chen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of CaliforniaCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average family medicine physician in 2024
70 Medicare Part D claims for 33 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of 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.
Carolyn Sze-Yun Chen among 17,133 family medicine physician records in California
Carolyn Sze-Yun Chen, MD 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 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 59% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2003 · median 2005 among the 10,652 with a school on file
- Record last updated2023 · 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).
Family Medicine Physician providers in California
There are 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in San Francisco → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Melinda Au, DOSan Francisco, CA 941051548316482
- Sarah Carlson, M.D.San Francisco, CA 941051669455382
- Kwan Chun, MDSan Francisco, CA 941051801986955
- George Flores, MD, MPHSan Francisco, CA 941051962694596
- Elisa Horta, M.D., M.P.H.San Francisco, CA 941051013900653
- Fatimah Jah, MDSan Francisco, CA 941051063513570
- Suniti Kumar, M.D.San Francisco, CA 941051265450951
- Kavitha Pancholy, MDSan Francisco, CA 941051477760080
Common questions
What is Carolyn Sze-Yun Chen, MD's NPI number?
Carolyn Sze-Yun Chen, MD's National Provider Identifier (NPI) is 1649203332, issued on Jul 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Carolyn Sze-Yun Chen, MD located?
The NPPES record lists a practice address at 101 Mission St Ste 800, San Francisco, CA, 94105. Phone: (415) 231-5333. Providers update this record themselves, so call before visiting.
How can I verify Carolyn Sze-Yun Chen, MD's license?
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 Carolyn Sze-Yun Chen, MD prescribe under Medicare Part D?
In 2024, Carolyn Sze-Yun Chen, MD had 70 Medicare Part D claims for 33 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.