OrganizationActive
Nassau Gastroenterology Office Based Surgery, P.C.
NPI 1497998637 · Gastroenterology Physician · Great Neck, NY
Provider details
- NPI number
- 1497998637
- Entity type
- Organization
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Seymour Katz, Owner(516) 829-6421
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(85/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 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
1000 Northern Blvd
Suite 140
Great Neck, NY 11021-5312
Phone: (516) 466-2340
Fax: (516) 829-6421
Approximate (ZIP-level) locationGet directions
Mailing address
1000 Northern Blvd
Great Neck, NY 11021-5312
Registry dates
- Enumerated
- 2009-04-17
- Last updated
- 2009-04-17
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.