Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Paul A Frohna, MD, PHD

Individual provider Internal Medicine Physician · NPI 1780729699

Dr. Paul A Frohna, MD, PHD is an Internal Medicine Physician in San Francisco, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

3952 18th St
San Francisco, CA 94114-2520
Phone: (415) 487-1552
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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 A80893 (CA)

Record details

NPI number1780729699
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , PHD
Sole proprietorYes
NPI enumeratedFebruary 20, 2007
Last updated in NPPESJuly 8, 2007

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