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

Dr. Joshua Rassen

Individual provider Internal Medicine Physician · NPI 1902885510

Dr. Joshua Rassen is an Internal Medicine in San Francisco, California. Graduated from Washington University School of Medicine in 1973, 53 years ago. Practices as a sole proprietor. Licensed in California.

Years since qualifying
53
Trained at
Washington University School of Medicine
Licensed in
CA
In the registry since
2006
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Practice location Address checks out

700 25th Ave
San Francisco, CA 94121-3612
Phone: (415) 751-1446
Fax: (415) 752-6312
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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 G27677 (CA)

Record details

NPI number1902885510
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedJanuary 11, 2006
Last updated in NPPESJuly 8, 2007

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolWASHINGTON UNIVERSITY SCHOOL OF MEDICINE
Graduated 1973 (53 years in practice)
Accepts Medicare assignment Not indicated

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