Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Nassau Gastroenterology Associates, PC

Organization Gastroenterology Physician · NPI 1144225616

Nassau Gastroenterology Associates, PC is a Gastroenterology Physician in Great Neck, New York. Licensed in New York. Registered with an NPI since 2005.

Licensed in
NY
In the registry since
2005
What do these letters mean?
PC — Professional corporation
A form of business registration, not a clinical qualification.

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Practice location Address checks out

1000 Northern Blvd Ste 140
Great Neck, NY 11021-5312
Phone: (516) 466-2340
Fax: (516) 829-6421
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X (NY)

Record details

NPI number1144225616
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Seymour Katz — Owner · (516) 466-2340
NPI enumeratedJune 20, 2005
Last updated in NPPESJuly 21, 2022
Mailing address1000 Northern Blvd, Ste 140, Great Neck, NY 11021-5312

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