Barbara Jill Benzwi, MD
Family Medicine Physician · Oakland, CA
Barbara Jill Benzwi, MD is a family medicine physician with a practice address in Oakland, California, and NPI 1063512317, issued on Sep 25, 2006. Check the license (California G60850, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Barbara Jill Benzwi
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- G60850 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3451 E 12TH Street, Oakland, CA 94601
- Phone
- (510) 535-3319
- Enumerated
- Sep 25, 2006
- Record last updated
- Jul 10, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (510) 535-4187
- Medicaid ID
- FHC71021F CA
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 3451 E 12TH Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Roxanna Buenrosto, RNRegistered Nurse1083737852
- Marcos Contreras, RPHPharmacist1184727679
- Caryn Gottcent, NPFFamily Nurse Practitioner1366545683
- Clyde Hinsz, RPHPharmacist1144314006
- Claire Horton, MDInternal Medicine Physician1649374109
- Randall Jackson, PHARMD RPHPharmacist1487748323
Verify Barbara Jill Benzwi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G60850Check 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 family medicine physician in 2024
103 Medicare Part D claims for 25 beneficiaries, against an average of 3,544 among the 117,163 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.
Barbara Jill Benzwi among 17,133 family medicine physician records in California
Barbara Jill Benzwi, 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 fileNo · 62% of these records are
- Record last updated2010 · 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 Oakland → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Paul Bayard, MDOakland, CA 946011922101237
- Jaime Cortes, MDOakland, CA 946011265587778
- Asano Fertig, MDOakland, CA 946011013017268
- Christine Fratino, DOOakland, CA 946011841398542
- Thomas Halligan, MDOakland, CA 946011457454761
- Irene Kelly, MDOakland, CA 946011386747509
- Jill LeggOakland, CA 946011881771624
- James Liang, D.O.Oakland, CA 946011780618322
Common questions
What is Barbara Jill Benzwi, MD's NPI number?
Barbara Jill Benzwi, MD's National Provider Identifier (NPI) is 1063512317, issued on Sep 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Barbara Jill Benzwi, MD located?
The NPPES record lists a practice address at 3451 E 12TH Street, Oakland, CA, 94601. Phone: (510) 535-3319. Providers update this record themselves, so call before visiting.
How can I verify Barbara Jill Benzwi, MD's license?
NPPES lists California license number G60850, 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 Barbara Jill Benzwi, MD prescribe under Medicare Part D?
In 2024, Barbara Jill Benzwi, MD had 103 Medicare Part D claims for 25 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.