Gregory Clark
Diagnostic Radiology Physician · New York, NY
Gregory Clark is a diagnostic radiology physician with a practice address in New York, New York, and NPI 1073178851, issued on May 7, 2019. Check the license (New York 312756-01, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Gregory Clark
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- 312756-01 NY
Self-reported in NPPES; status is on the state search - Practice location
- 550 1St Ave, New York, NY 10016
- Phone
- (212) 263-5503
- Enumerated
- May 7, 2019
- Record last updated
- Jun 9, 2025
- Medicare enrollment
- Enrolled (PECOS I20250625001545); accepts Medicare assignment
- Medical or professional school
- New York University School Of Medicine, 2019
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 3,146 in New York → Look up another NPI →
Also registered at 550 1St Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Clarisse AbanillaPhysician Assistant1598445579
- Ehab Abaza, MDInternal Medicine Physician1114507555
- Valentino Abballe, M.D.Diagnostic Radiology Physician1710305081
- Diana Abbas, MDStudent in an Organized Health Care Education/Training Program1568105633
- Germeen AbdelmessihAcute Care Nurse Practitioner1134840028
- Kathryn Abe-Ridgway, MDStudent in an Organized Health Care Education/Training Program1629865324
Verify Gregory Clark in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 312756-01Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through 3 group practices
- Main Street Radiology AT Bayside LLCFlushing, NY
- North Shore Hematology Oncology Associates PCPort Jefferson Station, NY
- Radiology Associates OF Main Street PCFlushing, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory Clark among 3,146 diagnostic radiology physician records in New York
Gregory Clark is one of 3,146 diagnostic radiology physician records with a practice address in New York. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 94% of them.
- NPI issued2019 · 94% of these records are older, 4% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2019 · median 2002 among the 2,169 with a school on file
- Record last updated2025 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
950 diagnostic radiology physician records list a practice address in New York
They are 950 of the 98,468 NPPES records with a practice address in New York, and 3,146 diagnostic radiology physician records in New York.
All 3,146 in New York → Every provider in New York → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Ronald Adler, PH.D., M.D.New York, NY 100161932102753
- Michael Ambrosino, M.D.New York, NY 100161497719991
- John Amodio, M.D.New York, NY 100161164486668
- Barbara Baskin, M.DNew York, NY 100161740250182
- Nancy Genieser, M.D.New York, NY 100161487618047
- Giovanna Giovanniello, M.D.New York, NY 100161609830280
- Orna Hadar, M.DNew York, NY 100161669443867
- Nicole Hindman, M.D.New York, NY 100161972574549
Common questions
What is Gregory Clark's NPI number?
Gregory Clark's National Provider Identifier (NPI) is 1073178851, issued on May 7, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Clark located?
The NPPES record lists a practice address at 550 1St Ave, New York, NY, 10016. Phone: (212) 263-5503. Providers update this record themselves, so call before visiting.
How can I verify Gregory Clark's license?
NPPES lists New York license number 312756-01, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.