Nassau Gastroenterology Associates, P.C.
NPI 1144225616 · Gastroenterology Physician · Great Neck, NY
Nassau Gastroenterology Associates, P.C. is a Gastroenterology Physician organization in Great Neck, NY (NPI 1144225616).
Provider details
- NPI number
- 1144225616
- Entity type
- Organization
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Seymour Katz, Owner(516) 466-2340
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-06-20
- Last updated
- 2022-07-21
Frequently asked questions
- What is Nassau Gastroenterology Associates, P.C.'s NPI number?
- Nassau Gastroenterology Associates, P.C.'s National Provider Identifier (NPI) is 1144225616, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Nassau Gastroenterology Associates, P.C.?
- Nassau Gastroenterology Associates, P.C. is classified in the NPPES registry as Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Nassau Gastroenterology Associates, P.C. located?
- Nassau Gastroenterology Associates, P.C.'s practice location on file with NPPES is 1000 Northern Blvd, Great Neck, NY 11021-5312.
- What is Nassau Gastroenterology Associates, P.C.'s phone number?
- The practice phone number listed in the NPPES registry for Nassau Gastroenterology Associates, P.C. is (516) 466-2340.
- Who is the authorized official for Nassau Gastroenterology Associates, P.C.?
- The authorized official listed on Nassau Gastroenterology Associates, P.C.'s NPPES record is Seymour Katz, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Nassau Gastroenterology Associates, P.C.'s NPI active?
- Yes — Nassau Gastroenterology Associates, P.C.'s NPI (1144225616) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.