Gregory Clark
NPI 1073178851 · Diagnostic Radiology Physician · New York, NY
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Clark is a Diagnostic Radiology Physician provider in New York, NY (NPI 1073178851).
Provider details
- NPI number
- 1073178851
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
7 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2019-05-07
- Last updated
- 2025-06-09
- Certified
- 2025-06-09
Frequently asked questions
- What is Gregory Clark's NPI number?
- Gregory Clark's National Provider Identifier (NPI) is 1073178851, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Clark's specialty?
- Gregory Clark is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Clark located?
- Gregory Clark's practice location on file with NPPES is 550 1st Ave, New York, NY 10016-6402.
- What is Gregory Clark's phone number?
- The practice phone number listed in the NPPES registry for Gregory Clark is (212) 263-5503.
- Does Gregory Clark accept Medicare?
- Gregory Clark is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Clark's NPI active?
- Yes — Gregory Clark's NPI (1073178851) is active in the NPPES registry as of the last update on 2025-06-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.