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

Nathan Billett, MD

Individual provider Internal Medicine Physician · NPI 1447952593

Nathan Billett, MD is an Internal Medicine Physician in South San Francisco, California. Practices as a sole proprietor and works from 2 locations. Licensed in California.

Licensed in
CA
In the registry since
2023
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

1200 El Camino Real
South San Francisco, CA 94080-3299
Phone: (650) 742-2000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 99 Montecillo Rd, San Rafael, CA 94903-3308 — (415) 444-2000

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 199091 (CA)

Record details

NPI number1447952593
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMarch 21, 2023
Last updated in NPPESJuly 21, 2026
Certification dateJuly 21, 2026

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