Greater New York Gastroenterology, LLP
NPI 1558375584 · Gastroenterology Physician · Astoria, NY
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Greater New York Gastroenterology, LLP is a Gastroenterology Physician organization in Astoria, NY (NPI 1558375584).
Provider details
- NPI number
- 1558375584
- Entity type
- Organization
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Jeffrey Klingenstein, Officer(718) 626-2337
- License
- 183504 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
- 2006-07-27
- Last updated
- 2019-08-26
Frequently asked questions
- What is Greater New York Gastroenterology, LLP's NPI number?
- Greater New York Gastroenterology, LLP's National Provider Identifier (NPI) is 1558375584, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Greater New York Gastroenterology, LLP?
- Greater New York Gastroenterology, LLP is classified in the NPPES registry as Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Greater New York Gastroenterology, LLP located?
- Greater New York Gastroenterology, LLP's practice location on file with NPPES is 2325 31st St Ste 500, Astoria, NY 11105-2299.
- What is Greater New York Gastroenterology, LLP's phone number?
- The practice phone number listed in the NPPES registry for Greater New York Gastroenterology, LLP is (718) 626-2337.
- Does Greater New York Gastroenterology, LLP accept Medicare?
- Greater New York Gastroenterology, LLP is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Greater New York Gastroenterology, LLP?
- The authorized official listed on Greater New York Gastroenterology, LLP's NPPES record is Jeffrey Klingenstein, Officer. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Greater New York Gastroenterology, LLP's NPI active?
- Yes — Greater New York Gastroenterology, LLP's NPI (1558375584) is active in the NPPES registry as of the last update on 2019-08-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.