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

Rosa Young Ahn-Horst, MDMPH

Individual provider Psychiatry Physician · NPI 1649822420

Rosa Young Ahn-Horst, MDMPH is a Psychiatry Physician in Palo Alto, California. Licensed in California. Registered with an NPI since 2019.

Licensed in
CA
In the registry since
2019
Specialties on file
2

Practice location Address checks out

401 Quarry Rd
Palo Alto, CA 94304-1419
Phone: (650) 723-5511
Show map & directions

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

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence A201644 (CA)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X · Licence A201644 (CA)

Record details

NPI number1649822420
Entity typeIndividual (Type 1)
GenderFemale
Credentials MDMPH
Sole proprietorNo
NPI enumeratedJuly 12, 2019
Last updated in NPPESJuly 27, 2026
Certification dateJuly 27, 2026

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