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

Dr. James Dawson Heffelfinger, MD

Individual provider Infectious Disease Physician · NPI 1619931698

Dr. James Dawson Heffelfinger, MD is an Infectious Disease in San Rafael, California. Graduated from New York Medical College in 1989, 37 years ago. Works from 2 locations. Licensed in California.

Years since qualifying
37
Trained at
New York Medical College
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

3260 Kerner Blvd
San Rafael, CA 94901-4840
Phone: (154) 481-5004
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1101 Van Ness Ave, San Francisco, CA 94109-6919 — (415) 600-6000

Specialties & licences

Infectious Disease Physician (primary) Taxonomy 207RI0200X · Licence G76725 (CA)

Record details

NPI number1619931698
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 14, 2006
Last updated in NPPESMarch 24, 2026
Certification dateMarch 24, 2026

Medicare enrollment

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

Medicare specialtyINFECTIOUS DISEASE
Medical schoolNEW YORK MEDICAL COLLEGE
Graduated 1989 (37 years in practice)
Accepts Medicare assignment Not indicated

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