Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Thomas Scott Allems, MD

Individual provider Internal Medicine Physician · NPI 1669562930

Dr. Thomas Scott Allems, MD is an Internal Medicine Physician in San Francisco, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

311 California St Ste 410
San Francisco, CA 94104-2602
Phone: (415) 989-5339
Fax: (415) 989-5424
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Specialties & licences

Occupational Medicine Physician (primary) Taxonomy 2083X0100X · Licence A43491 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence A43491 (CA)

Record details

NPI number1669562930
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedOctober 14, 2006
Last updated in NPPESSeptember 11, 2025

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