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.
714 UNIVERSITY ST
Valley Stream, NY 11581
Karen Mermelstein is a physician assistant in Valley Stream, NY. That is the designation recorded for this NPI in the federal registry.
NPI registry
Karen Mermelstein is listed at 714 University St, Valley Stream, NY 11581. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (516) 526-2230. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Karen Mermelstein's National Provider Identifier is 1134412729. 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
Karen Mermelstein has 15+ years experience. Registered with an NPI since 2011. 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 Karen Mermelstein. 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.