John Baskerville Imboden, MD
Rheumatology Physician · San Francisco, CA
John Baskerville Imboden, MD is a rheumatology physician with a practice address in San Francisco, California, and NPI 1275689408, issued on Jan 29, 2007. Check the license (California G44969, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- John Baskerville Imboden
- Credential
- MD
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- G44969 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1001 Potrero Avenue, San Francisco, CA 94110
- Phone
- (415) 206-5438
- Enumerated
- Jan 29, 2007
- Record last updated
- Jan 17, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (415) 648-8425
- Medicaid ID
- 00G449690 CA
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 926 in California → Look up another NPI →
Also registered at 1001 Potrero Avenue
A shared address usually means a shared clinic or building; it does not show who employs whom.
- James Allison, MDGastroenterology Physician1265535777
- Deborah Anderson, CNMRegistered Nurse1801821053
- Patrick AvilaGastroenterology Physician1114365699
- Amin Azzam, MDPsychiatry Physician1811927395
- Jennifer Babik, MDInternal Medicine Physician1457421208
- Roland Bainton, MDAnesthesiology Physician1376596213
Verify John Baskerville Imboden in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G44969Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
John Baskerville Imboden among 926 rheumatology physician records in California
John Baskerville Imboden, MD is one of 926 rheumatology 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 not. Its NPI, issued in 2007, is newer than 45% of them.
- NPI issued2007 · 45% of these records are older, 42% newer
- In a Medicare fileNo · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 69% of these records are
- Record last updated2012 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Rheumatology Physician providers in California
There are 926 rheumatology physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 926 in California → Every provider in San Francisco → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Kristen MengwasserSan Francisco, CA 941101841828720
- Elizabeth Wahl, M.D.San Francisco, CA 941101215100557
- Jinoos Yazdany, M.D.San Francisco, CA 941101982632584
- Gerson Bernhard, MDSan Francisco, CA 941091710930052
- Karen Yeter, MDSan Francisco, CA 941091326210055
- Elaine Gecht, MDSan Francisco, CA 941121457349086
- Anthony Padula, M.D.San Francisco, CA 941081235103813
- Mona Trivedi, M.D.San Francisco, CA 941071477799195
Common questions
What is John Baskerville Imboden, MD's NPI number?
John Baskerville Imboden, MD's National Provider Identifier (NPI) is 1275689408, issued on Jan 29, 2007. An NPI identifies a provider in billing; it is not a license.
Where is John Baskerville Imboden, MD located?
The NPPES record lists a practice address at 1001 Potrero Avenue, San Francisco, CA, 94110. Phone: (415) 206-5438. Providers update this record themselves, so call before visiting.
How can I verify John Baskerville Imboden, MD's license?
NPPES lists California license number G44969, 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), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.