Provider Profile
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License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
55 FRUIT STREET, BLAKE 1500
Boston, MA 02114
Sara Hammer is a physician assistant in Boston, MA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Sara Hammer is listed at 55 Fruit Street, Blake 1500, Boston, MA 02114. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (617) 724-3874. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Sara Hammer's National Provider Identifier is 1639608391. 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
Sara Hammer has 9+ years experience. Registered with an NPI since 2017. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Not yet. This profile is built from public federal data and has not been confirmed by Sara Hammer. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.