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

Karen Ann Fong, MD

Individual provider Internal Medicine Physician · NPI 1851396816

Karen Ann Fong, MD is a Pediatric Medicine in San Luis Obispo, California. Graduated from University of California, Geffen School of Medicine in 1989, 37 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in California.

Years since qualifying
37
Trained at
University of California, Geffen School of Medicine
Licensed in
CA
In the registry since
2005
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

184 Casa St
San Luis Obispo, CA 93405-1804
Phone: (805) 242-4455
Fax: (805) 542-9589
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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 G70251 (CA)
Pediatrics Physician Taxonomy 208000000X · Licence G070251 (CA)

Record details

NPI number1851396816
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedJune 16, 2005
Last updated in NPPESNovember 22, 2019

Medicare enrollment

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

Medicare specialtyPEDIATRIC MEDICINE
Also practisesINTERNAL MEDICINE
Medical schoolUNIVERSITY OF CALIFORNIA, GEFFEN SCHOOL OF MEDICINE
Graduated 1989 (37 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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