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

Amast Medical Associates, PC

Organization Psychiatry Physician · NPI 1184519241

Amast Medical Associates, PC is a Psychiatry Physician in San Francisco, California. Registered with an NPI since 2025.

In the registry since
2025
What do these letters mean?
PC — Professional corporation
A form of business registration, not a clinical qualification.

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Practice location Address checks out

166 Geary St Ste 1500 #1717
San Francisco, CA 94108-5628
Phone: (415) 745-2855
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X

Record details

NPI number1184519241
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Jack Buchanan — Co-Owner & Physician · (415) 745-2855
Other names Amast Medical Associates
NPI enumeratedJune 10, 2025
Last updated in NPPESDecember 6, 2025
Certification dateDecember 6, 2025
Mailing address166 Geary St, Ste 1500 #1717, San Francisco, CA 94108-5628

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