Thomas James McGuire, M.D.
Internal Medicine Physician · San Jose, CA
Thomas James McGuire, M.D. is an internal medicine physician with a practice address in San Jose, California, and NPI 1801925151, issued on Mar 5, 2007. Check the license (California G38838, 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 James McGuire
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- G38838 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2100 Forest Ave, San Jose, CA 95128
- Phone
- (408) 292-2552
- Enumerated
- Mar 5, 2007
- Record last updated
- Sep 11, 2025
- Fax
- (408) 292-1943
- Entity
- Type 1 · individual
Also registered at 2100 Forest Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- David Eby, MDInternal Medicine Physician1023122959
- Mona Joshi, ODOptometrist1184146714
- Michael Martin, M.D.Internal Medicine Physician1174655633
Verify Thomas James McGuire in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G38838Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
428 internal medicine physician records list a practice address in San Jose
They are 428 of the 20,925 NPPES records with a practice address in San Jose, and 17,696 internal medicine physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 428 in San Jose → All 17,696 in California → Every provider in San Jose →
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Common questions
What is Thomas James McGuire, M.D.'s NPI number?
Thomas James McGuire, M.D.'s National Provider Identifier (NPI) is 1801925151, issued on Mar 5, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Thomas James McGuire, M.D. located?
The NPPES record lists a practice address at 2100 Forest Ave, San Jose, CA, 95128. Phone: (408) 292-2552. Providers update this record themselves, so call before visiting.
How can I verify Thomas James McGuire, M.D.'s license?
NPPES lists California license number G38838, 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.