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

Individual provider Pediatrics Physician · NPI 1437261591

Dr. Tonya Ahlborn Chaffee, MD is a Pediatrics Physician in San Francisco, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
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

1001 Potrero Ave Mail Stop 6E
San Francisco, CA 94110-3518
Phone: (415) 206-8361
Fax: (415) 206-3686
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pediatrics Physician (primary) Taxonomy 208000000X · Licence G77911 (CA)
Pediatric Adolescent Medicine Physician Taxonomy 2080A0000X · Licence G77911 (CA)

Record details

NPI number1437261591
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 31, 2006
Last updated in NPPESDecember 27, 2011

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