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

Dr. Thomas Allen Buchanan, MD

Individual provider Internal Medicine Physician · NPI 1003143991

Dr. Thomas Allen Buchanan, MD is an Internal Medicine Physician in Los Angeles, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2009
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

1500 San Pablo St 3 North University Hospital
Los Angeles, CA 90033-5313
Phone: (323) 442-9576
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence C42204 (CA)
Endocrinology, Diabetes & Metabolism Physician Taxonomy 207RE0101X · Licence C42204 (CA)

Record details

NPI number1003143991
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedNovember 12, 2009
Last updated in NPPESNovember 12, 2009

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