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.
40 BREWSTER HILL RD
East Setauket, NY 11733
Stefanie M. Kleinberg is a physician assistant in East Setauket, NY. That is the designation recorded for this NPI in the federal registry.
NPI registry
Stefanie M. Kleinberg is listed at 40 Brewster Hill Rd, East Setauket, NY 11733. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (631) 645-3478. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Stefanie M. Kleinberg's National Provider Identifier is 1760027585. 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
Stefanie M. Kleinberg 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
Not yet. This profile is built from public federal data and has not been confirmed by Stefanie M. Kleinberg. 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.