Oliver Osborn, M.D.
Family Medicine Physician · Greenbrae, CA
Oliver Osborn, M.D. is a family medicine physician with a practice address in Greenbrae, California, and NPI 1700874377, issued on Oct 7, 2005. Check the license (California G78700, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Oliver Osborn
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- G78700 CA
Self-reported in NPPES; status is on the state search - Practice location
- 100 Drakes Landing RD # A, Greenbrae, CA 94904
- Phone
- (415) 924-1214
- Enumerated
- Oct 7, 2005
- Entity
- Type 1 · individual
Also registered at 100 Drakes Landing RD # A
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Anjuli Basu, M.D.Internal Medicine Physician1679583579
- Elizabeth Brown, D.OObstetrics & Gynecology Physician1215281019
- Elizabeth Etemad, D.O.Family Medicine Physician1881682458
- Mary Redfern, APRN,BCFamily Nurse Practitioner1447266747
Verify Oliver Osborn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G78700Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Family Medicine Physician providers in California
There are 16,272 family medicine physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
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Common questions
What is Oliver Osborn, M.D.'s NPI number?
Oliver Osborn, M.D.'s National Provider Identifier (NPI) is 1700874377, issued on Oct 7, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Oliver Osborn, M.D. located?
The NPPES record lists a practice address at 100 Drakes Landing RD # A, Greenbrae, CA, 94904. Phone: (415) 924-1214. Providers update this record themselves, so call before visiting.
How can I verify Oliver Osborn, M.D.'s license?
NPPES lists California license number G78700, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.