Zayar Lin
Internal Medicine Physician · San Francisco, CA
Zayar Lin is an internal medicine physician with a practice address in San Francisco, California, and NPI 1235875113, issued on May 12, 2022. Check the license (California A203088, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Zayar Lin
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A203088 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1400 Noriega St, San Francisco, CA 94122
- Phone
- (415) 391-9686
- Enumerated
- May 12, 2022
- Record last updated
- Aug 7, 2025
- Medicare enrollment
- Enrolled (PECOS I20250724004278); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 1400 Noriega St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Herbert Toy, MDInternal Medicine Physician1962580738
- Alice WuPharmacist1598358814
Verify Zayar Lin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A203088Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average internal medicine physician in 2024
84 Medicare Part D claims for 35 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
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.
Bills Medicare through one group practice
- North East Medical ServicesSan Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Zayar Lin among 17,696 internal medicine physician records in California
Zayar Lin is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 95% of them.
- NPI issued2022 · 95% of these records are older, 2% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2013 · median 2004 among the 11,065 with a school on file
- Record last updated2025 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,318 internal medicine physician records list a practice address in San Francisco
They are 1,318 of the 38,143 NPPES records with a practice address in San Francisco, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in San Francisco → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Anna Chodos, M.D., M.P.H.San Francisco, CA 941221831425107
- Edward Chow, M.D.San Francisco, CA 941221881608826
- Darby Clayson, MDSan Francisco, CA 941221619968021
- Kenneth Covinsky, M.D.San Francisco, CA 941221386742641
- Jessica Glassman, MDSan Francisco, CA 941221184798795
- Kirsten Marcus, M.D.San Francisco, CA 941221992995435
- Christopher Ng, MDSan Francisco, CA 941221063429900
- Pyone Wai Wai Soe, M.D.San Francisco, CA 941221124379656
Common questions
What is Zayar Lin's NPI number?
Zayar Lin's National Provider Identifier (NPI) is 1235875113, issued on May 12, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Zayar Lin located?
The NPPES record lists a practice address at 1400 Noriega St, San Francisco, CA, 94122. Phone: (415) 391-9686. Providers update this record themselves, so call before visiting.
How can I verify Zayar Lin's license?
NPPES lists California license number A203088, 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 Zayar Lin prescribe under Medicare Part D?
In 2024, Zayar Lin had 84 Medicare Part D claims for 35 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.