NPPES file of Aug 9, 2026

Thomas Scott Allems, MD

Occupational Medicine Physician · San Francisco, CA

Thomas Scott Allems, MD is an occupational medicine physician with a practice address in San Francisco, California, and NPI 1669562930, issued on Oct 14, 2006. Check the license (California A43491, 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, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1669562930
Name
Thomas Scott Allems
Credential
MD
Primary taxonomy
Occupational Medicine Physician 2083X0100X
License number
A43491 CA
Self-reported in NPPES; status is on the state search
Practice location
311 California St, San Francisco, CA 94104
Phone
(415) 989-5339
Enumerated
Oct 14, 2006
Record last updated
Sep 11, 2025
Fax
(415) 989-5424
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 311 California St

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

  1. Jennifer Benson, LMFT #86969Marriage & Family Therapist1922378751
  2. Michael Hack, D.M.DGeneral Practice Dentistry1194802355
  3. Raymond Hahn, D.D.S.Dentist1093897357
  4. Hannah KlempnerClinical Psychologist1225556723
  5. Ashwin Nanda, D.D.S.Dentist1124146568
  6. Zlatena Theodore, PSY.D.Clinical Psychologist1033621511

Verify Thomas Scott Allems in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A43491
    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

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Occupational Medicine Physician providers in California

There are 415 occupational medicine physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other occupational medicine physician records in California

  1. Jean Abbe, M.D.San Francisco, CA1316163231
  2. Belayneh Abejie, MDFresno, CA1831210756
  3. Rajy Abulhosn, M.D.San Diego, CA1396753703
  4. Aboaba Afilaka, M.D.Hilmar, CA1184603706
  5. Taha Ahmad, MDPanorama City, CA1629126669
  6. Michael Ajao, M.D.San Diego, CA1871798207
  7. Zaid Al-Faham, M.D., MPHRiverside, CA1871858910
  8. A. Al-Pachachi, M.D.Vernon, CA1689786790
  9. Patricia Alexander, O.T.R./LPaso Robles, CA1083612113
  10. Nima Alipour, D.O.Hawthorne, CA1639300106

Common questions

What is Thomas Scott Allems, MD's NPI number?

Thomas Scott Allems, MD's National Provider Identifier (NPI) is 1669562930, issued on Oct 14, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Thomas Scott Allems, MD located?

The NPPES record lists a practice address at 311 California St, San Francisco, CA, 94104. Phone: (415) 989-5339. Providers update this record themselves, so call before visiting.

How can I verify Thomas Scott Allems, MD's license?

NPPES lists California license number A43491, 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.