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Edit this profileAt a glance
- 401 Quarry Rd, Palo Alto, CA 94304
About Dr. Ahn-Horst
Based in Palo Alto, CA, Rosa Y. Ahn-Horst, MD MPH is listed in the NPI registry under psychiatry. Rosa is also listed as specializing in student in an organized health care education program. NPI 1649822420 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (650) 723-5511
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
401 QUARRY RD
Palo Alto, CA 94304
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other psychiatrists at this location 8
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 5
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 6 related providers in 1 group
Common questions
What kind of doctor is Dr. Ahn-Horst?
Dr. Ahn-Horst is a psychiatrist in Palo Alto, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Psychiatry”.
NPI registry
What is Dr. Ahn-Horst's address?
Dr. Ahn-Horst is listed at 401 Quarry Rd, Palo Alto, CA 94304. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Ahn-Horst?
The number on file is (650) 723-5511. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Ahn-Horst's NPI number?
Dr. Ahn-Horst's National Provider Identifier is 1649822420. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
How long has Dr. Ahn-Horst been practicing?
Dr. Ahn-Horst has 7+ years experience. Registered with an NPI since 2019. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Has Dr. Ahn-Horst confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Ahn-Horst. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.