Registry data as of Aug 27, 2026

Thomas Bowstead, M.D.

Pulmonary Disease Physician · Daly City, CA

Thomas Bowstead, M.D. is a pulmonary disease physician with a practice address in Daly City, California, and NPI 1801828181, issued on Jul 7, 2006. Check the license (California C35281, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1801828181
Name
Thomas Bowstead
Credential
M.D.
Primary taxonomy
Pulmonary Disease Physician 207RP1001X
License number
C35281 CA
Self-reported in NPPES; status is on the state search
Practice location
901 Campus Dr, Daly City, CA 94015
Phone
(650) 991-0600
Enumerated
Jul 7, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 901 Campus Dr

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

  1. Devi Ananda, M.D.Pediatrics Physician1427146356
  2. Emanuel Berston, MDPediatrics Physician1649346636
  3. Alice Breder, MDPediatrics Physician1215053897
  4. Mary Brzostowicz, M.D.Specialist1487683819
  5. Violeta CarneroPediatrics Physician1609928399
  6. Jon Churnin, INCORPORATEDPain Medicine (Anesthesiology) Physician1841283892

Verify Thomas Bowstead in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license C35281
    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.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

Pulmonary Disease Physician providers in California

There are 905 pulmonary disease physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other pulmonary disease physician records in California

  1. Manoochehr Abadian Sharifabad, M.D.Fountain Valley, CA1164655817
  2. Mohamad Abdelfattah, MDFullerton, CA1134539711
  3. Zainab Abdulsada, MBCHBSacramento, CA1144858333
  4. Ayham Aboeed, M.D.Bakersfield, CA1093969750
  5. Babak Abrishami, D.O.Los Angeles, CA1972553576
  6. Thomas Addison, MDSan Francisco, CA1154494599
  7. Leonard Adelson, MDSherman Oaks, CA1235152455
  8. Yossef Aelony, MDHarbor City, CA1619178597
  9. Kamyar Afshar, D.O.San Diego, CA1407050669
  10. Muhammad Afzal, M.D.Sacramento, CA1689600553

Common questions

What is Thomas Bowstead, M.D.'s NPI number?

Thomas Bowstead, M.D.'s National Provider Identifier (NPI) is 1801828181, issued on Jul 7, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Thomas Bowstead, M.D. located?

The NPPES record lists a practice address at 901 Campus Dr, Daly City, CA, 94015. Phone: (650) 991-0600. Providers update this record themselves, so call before visiting.

How can I verify Thomas Bowstead, M.D.'s license?

NPPES lists California license number C35281, 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), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.