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

Individual provider Internal Medicine Physician · NPI 1588756266

Dr. John Fullerton, MD is an Internal Medicine in San Francisco, California. Graduated from University of Miami, Lm Miller School of Medicine in 1985, 41 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in California.

Years since qualifying
41
Trained at
University of Miami, Lm Miller School of Medicine
Licensed in
CA
In the registry since
2006
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

1700 California St Ste 470
San Francisco, CA 94109
Phone: (415) 202-9990
Fax: (415) 843-0548
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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 G59000 (CA)

Record details

NPI number1588756266
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedSeptember 29, 2006
Last updated in NPPESSeptember 23, 2015

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF MIAMI, LM MILLER SCHOOL OF MEDICINE
Graduated 1985 (41 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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