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

Maureen Horton, MD

Individual provider Internal Medicine Physician · NPI 1861446189

Maureen Horton, MD is an Internal Medicine Physician in San Francisco, California. Licensed in California and Maryland. Registered with an NPI since 2006.

Licensed in
CA, MD
In the registry since
2006
Specialties on file
3
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

4016 22nd St
San Francisco, CA 94114-3135
Phone: (443) 710-9341
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pulmonary Disease Physician (primary) Taxonomy 207RP1001X · Licence C176693 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence D47950 (MD)
Pulmonary Disease Physician Taxonomy 207RP1001X · Licence D47950 (MD)

Record details

NPI number1861446189
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 20, 2006
Last updated in NPPESOctober 21, 2022
Certification dateOctober 21, 2022

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