Thomas Ward Brown, M.D.
Diagnostic Radiology Physician · San Francisco, CA
Thomas Ward Brown, M.D. is a diagnostic radiology physician with a practice address in San Francisco, California, and NPI 1063451615, issued on Jun 6, 2006. Check the license (California G26295, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Thomas Ward Brown
- Credential
- M.D.
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- G26295 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3700 California St, San Francisco, CA 94118
- Phone
- (415) 750-6025
- Enumerated
- Jun 6, 2006
- Record last updated
- May 6, 2009 (not updated in 17 years: call before relying on the address or phone)
- Medicaid IDs
- 00G262950 CA
100510893 NV - Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 4,500 in California → Look up another NPI →
Also registered at 3700 California St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Thomas Ward Brown in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G26295Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Thomas Ward Brown among 4,500 diagnostic radiology physician records in California
Thomas Ward Brown, M.D. is one of 4,500 diagnostic radiology physician records with a practice address in California. 74% 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 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 52% newer
- In a Medicare fileNo · 74% of these records are
- In the CMS Doctors and Clinicians fileNo · 70% of these records are
- Record last updated2009 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Diagnostic Radiology Physician providers in California
There are 4,500 diagnostic radiology physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 4,500 in California → Every provider in San Francisco → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Raymond Cummins, M.D.San Francisco, CA 941181821030768
- Susan Denny, M.D.San Francisco, CA 941181902848112
- Maureen Hogan, M.D.San Francisco, CA 941181629356985
- Naveen Kumar, M.D.San Francisco, CA 941181669554317
- Joseph Leach, MD, PHDSan Francisco, CA 941181134548217
- Jay Mall, M.D.San Francisco, CA 941181629016050
- Myron Marx, M.D.San Francisco, CA 941181083657928
- Kirk Moon, M.D.San Francisco, CA 941181295779833
Common questions
What is Thomas Ward Brown, M.D.'s NPI number?
Thomas Ward Brown, M.D.'s National Provider Identifier (NPI) is 1063451615, issued on Jun 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Thomas Ward Brown, M.D. located?
The NPPES record lists a practice address at 3700 California St, San Francisco, CA, 94118. Phone: (415) 750-6025. Providers update this record themselves, so call before visiting.
How can I verify Thomas Ward Brown, M.D.'s license?
NPPES lists California license number G26295, 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.