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 provides Psychiatry Physician services 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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