Barry David Zevin, M.D.
Internal Medicine Physician · San Francisco, CA
Barry David Zevin, M.D. is an internal medicine physician with a practice address in San Francisco, California, and NPI 1508938887, issued on Nov 14, 2006. Check the license (California G71721, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Barry David Zevin
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- G71721 CA
Self-reported in NPPES; status is on the state search - Practice location
- 50 Lech Walesa, San Francisco, CA 94102
- Phone
- (415) 355-7400
- Enumerated
- Nov 14, 2006
- Record last updated
- Aug 6, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (415) 355-7407
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 50 Lech Walesa
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Barry David Zevin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G71721Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average internal medicine physician in 2024
272 Medicare Part D claims for 48 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.
Most prescribed
- Jardiance19 claims
- Mirtazapine18 claims
- Bupropion Xl13 claims
- Atorvastatin Calcium12 claims
- Metformin Hcl Er11 claims
- Sertraline Hcl11 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 90.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Barry David Zevin among 17,696 internal medicine physician records in California
Barry David Zevin, M.D. 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 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2007 · 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 →
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Common questions
What is Barry David Zevin, M.D.'s NPI number?
Barry David Zevin, M.D.'s National Provider Identifier (NPI) is 1508938887, issued on Nov 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Barry David Zevin, M.D. located?
The NPPES record lists a practice address at 50 Lech Walesa, San Francisco, CA, 94102. Phone: (415) 355-7400. Providers update this record themselves, so call before visiting.
How can I verify Barry David Zevin, M.D.'s license?
NPPES lists California license number G71721, 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 Barry David Zevin, M.D. prescribe under Medicare Part D?
In 2024, Barry David Zevin, M.D. had 272 Medicare Part D claims for 48 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Barry David Zevin, M.D.'s MIPS final score?
The 2023 MIPS final score is 90.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.