Gregory Oselkin, DDS
NPI 1952457848 · General Practice Dentistry · New York, NY
Enrolled with Medicare as Order and Referring Only - Dentist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Oselkin, DDS is a General Practice Dentistry provider in New York, NY (NPI 1952457848).
Provider details
- NPI number
- 1952457848
- Entity type
- Individual
- Primary specialty
- General Practice DentistryDental Providers
- Credential
- DDS
- Sex
- Male
- Sole proprietor
- Yes
- License
- 033389 (NY)
Specialties & taxonomies
Dental Providers
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
- 2007-01-25
- Last updated
- 2013-06-14
Frequently asked questions
- What is Gregory Oselkin's NPI number?
- Gregory Oselkin's National Provider Identifier (NPI) is 1952457848, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Oselkin's specialty?
- Gregory Oselkin is listed in the NPPES registry with a primary specialty of General Practice Dentistry (Dental Providers).
- Where is Gregory Oselkin located?
- Gregory Oselkin's practice location on file with NPPES is 354 E 116th St, New York, NY 10029-1538.
- What is Gregory Oselkin's phone number?
- The practice phone number listed in the NPPES registry for Gregory Oselkin is (212) 996-0900.
- Does Gregory Oselkin accept Medicare?
- Gregory Oselkin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Oselkin's NPI active?
- Yes — Gregory Oselkin's NPI (1952457848) is active in the NPPES registry as of the last update on 2013-06-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.