William B. Thurston, MD
Gastroenterology Physician · San Jose, CA
William B. Thurston, MD is a gastroenterology physician with a practice address in San Jose, California, and NPI 1407932908, issued on Oct 27, 2006. Check the license (California G25753, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- William B. Thurston
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- G25753 CA
Self-reported in NPPES; status is on the state search - Practice location
- 260 International Cir, San Jose, CA 95119
- Phone
- (408) 972-7000
- Enumerated
- Oct 27, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicaid ID
- 00G257530 CA
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 2,140 in California → Look up another NPI →
Also registered at 260 International Cir
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify William B. Thurston in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G25753Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
William B. Thurston among 2,140 gastroenterology physician records in California
William B. Thurston, MD is one of 2,140 gastroenterology physician records with a practice address in California. 83% 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, 48% newer
- In a Medicare fileNo · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 72% of these records are
- Record last updated2007 · 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 207RG0100X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in California
There are 2,140 gastroenterology physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 2,140 in California → Every provider in San Jose → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Omar Bakr, MD, MPHSan Jose, CA 951191275995953
- Alan Chin, MDSan Jose, CA 951191750467262
- Justin Chuang, M.D.San Jose, CA 951191205368537
- Gene Ma, M.D.San Jose, CA 951191316238579
- Ranjit Makar, MDSan Jose, CA 951191083858997
- Luis Ocampo, M.D.San Jose, CA 951191831480466
- Gurpreet Rihal, MDSan Jose, CA 951191093891509
- Gordon Thenemann, MDSan Jose, CA 951191861578361
Common questions
What is William B. Thurston, MD's NPI number?
William B. Thurston, MD's National Provider Identifier (NPI) is 1407932908, issued on Oct 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William B. Thurston, MD located?
The NPPES record lists a practice address at 260 International Cir, San Jose, CA, 95119. Phone: (408) 972-7000. Providers update this record themselves, so call before visiting.
How can I verify William B. Thurston, MD's license?
NPPES lists California license number G25753, 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.