NPPES file of Aug 9, 2026

Bryan Thomas Bourdeau, MD

Internal Medicine Physician · San Francisco, CA

Bryan Thomas Bourdeau, MD is an internal medicine physician with a practice address in San Francisco, California, and NPI 1750876991, issued on Jun 29, 2018. Check the license (California A202521, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1750876991
Name
Bryan Thomas Bourdeau
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
A202521 CA
276390 MA
286471 MA
Self-reported in NPPES; status is on the state search
Practice location
521 Parnassus Ave, San Francisco, CA 94143
Phone
(415) 476-1000
Enumerated
Jun 29, 2018
Record last updated
May 4, 2025
Medicare enrollment
Enrolled (PECOS I20250513001731); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 521 Parnassus Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Igor Abramovich, MD, PHDAnesthesiology Physician1255122107
  2. Jackson Adams, MDAnesthesiology Physician1083237846
  3. Dieter AdelmannAnesthesiology Physician1417322835
  4. Emily Ager, MD, MPHEmergency Medicine Physician1770105405
  5. Christopher Allen, MDAnesthesiology Physician1871234773
  6. Daniela Arango Isaza, MDHospitalist Physician1427722990

Verify Bryan Thomas Bourdeau in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A202521
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

Bills Medicare through one group practice

  1. Regents OF The University OF CaliforniaSan Francisco, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Bryan Thomas Bourdeau among 17,696 internal medicine physician records in California

Bryan Thomas Bourdeau, MD is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 84% of them.

  • NPI issued2018 · 84% of these records are older, 14% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2018 · median 2004 among the 11,065 with a school on file
  • Record last updated2025 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1,318 internal medicine physician records list a practice address in San Francisco

They are 1,318 of the 38,143 NPPES records with a practice address in San Francisco, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Nathan Bass, MDSan Francisco, CA 941431689638959
  2. Margaret Fang, MDSan Francisco, CA 941431417911462
  3. Katherine Julian, MDSan Francisco, CA 941431003879826
  4. John Kane, MDSan Francisco, CA 941431467416461
  5. Suneil Koliwad, M.D., PH.D.San Francisco, CA 941431225006687
  6. Bernard Lo, MDSan Francisco, CA 941431184688137
  7. Stephen McPhee, MDSan Francisco, CA 941431124082490
  8. Andrew Posselt, MDSan Francisco, CA 941431235193616

Common questions

What is Bryan Thomas Bourdeau, MD's NPI number?

Bryan Thomas Bourdeau, MD's National Provider Identifier (NPI) is 1750876991, issued on Jun 29, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Bryan Thomas Bourdeau, MD located?

The NPPES record lists a practice address at 521 Parnassus Ave, San Francisco, CA, 94143. Phone: (415) 476-1000. Providers update this record themselves, so call before visiting.

How can I verify Bryan Thomas Bourdeau, MD's license?

NPPES lists California license number A202521, 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. Medicare files from data.cms.gov. 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.