Physician 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.
21 CHAPEL PL
Great Neck, NY 11021
Ronald Sagerman m.d. is a psychiatrist in Great Neck, NY. That is the designation recorded for this NPI in the federal registry, where it is listed as “Psychiatry”.
NPI registry
Ronald Sagerman m.d. is listed at 21 Chapel Pl, Great Neck, NY 11021. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (516) 482-0779. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Ronald Sagerman m.d.'s National Provider Identifier is 1124007323. 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
Ronald Sagerman m.d. has 20+ years experience. Registered with an NPI since 2006. 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 Ronald Sagerman m.d.. 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.