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.
1111 WESTCHESTER AVE
West Harrison, NY 10604
161 Fort Washington Ave
New York, NY 10032
51 W 51st St
New York, NY 10019
Marissa McCay is an internist in West Harrison, NY. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.
NPI registry
Marissa McCay is listed at 1111 Westchester Ave, West Harrison, NY 10604. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (212) 305-9137. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Marissa McCay's National Provider Identifier is 1972922441. 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
Marissa McCay attended Other, graduating in 2014. This comes from the CMS National Downloadable File.
CMS public data
Marissa McCay has 12 years experience. Calculated from a graduation year of 2014, reported in the CMS National Downloadable File.
CMS public data
Not yet. This profile is built from public federal data and has not been confirmed by Marissa McCay. 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.