Rosa Ahn-Horst, MD MPH

NPI 1649822420 · on the registry since 2019

Practice

Address: 401 Quarry Rd
Palo Alto, CA 94304
Phone: (650) 723-5511
Organisation at this address: Stanford Psychiatry Residency
Inferred from a shared address, not stated in the registry.
Clinicians at this address: 176

Registry record

Primary taxonomy: Psychiatry
2084P0800X
Also registered as: 390200000X
Licence states on file: CA
From the registry's licence fields, which are often incomplete.
Sex: Female
Record last updated: 2026-07-27

Source: CMS National Plan and Provider Enumeration System. Registration is not the same as practising, and the registry records no retirement — some people listed here no longer practise. More in California