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.
5 WIER LANE LOCUST VALLEY
Nassau County, Long Island, NY 11560
Nicholas J. Johnnidis is a dentist in Nassau County, Long Island, NY. That is the designation recorded for this NPI in the federal registry, where it is listed as “General Practice Dentistry”.
NPI registry
Nicholas J. Johnnidis is listed at 5 Wier Lane Locust Valley, Nassau County, Long Island, NY 11560. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (516) 759-2288. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Nicholas J. Johnnidis's National Provider Identifier is 1215181284. 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
Nicholas J. Johnnidis has 18+ years experience. Registered with an NPI since 2008. 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 Nicholas J. Johnnidis. 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.