John-Paul Grenier, M.D.
Diagnostic Radiology Physician · New York, NY
John-Paul Grenier, M.D. is a diagnostic radiology physician with a practice address in New York, New York, and NPI 1366977092, issued on May 1, 2017. Check the license on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- John-Paul Grenier
- Credential
- M.D.
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- 2085R0202X LA
Self-reported in NPPES; status is on the state search - Practice location
- 1468 Madison Ave, New York, NY 10029
- Phone
- (212) 241-6500
- Enumerated
- May 1, 2017
- Record last updated
- Sep 26, 2024
- Medicare enrollment
- Enrolled (PECOS I20230525001638); accepts Medicare assignment
- Medical or professional school
- Louisiana State University School Of Medicine In New Orleans, 2017
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 3,146 in New York → Look up another NPI →
Also registered at 1468 Madison Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Liana Abadi, OTR/LOccupational Therapist1417581356
- Karim Abdel Jalil, DOStudent in an Organized Health Care Education/Training Program1861074692
- Victor Abdow, MDStudent in an Organized Health Care Education/Training Program1891555710
- Benjamin Abella, MDEmergency Medicine Physician1568560746
- Ellya Abidi, PA-CPhysician Assistant1699312066
- Nathaniel Abittan, MDInternal Medicine Physician1457810426
Verify John-Paul Grenier in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the ProfessionsCheck 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 one group practice
- Fpa Hospital BasedNew York, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John-Paul Grenier among 3,146 diagnostic radiology physician records in New York
John-Paul Grenier, M.D. 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 2017, is newer than 89% of them.
- NPI issued2017 · 89% of these records are older, 8% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2017 · median 2002 among the 2,169 with a school on file
- Record last updated2024 · 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
- Laura Beitia, MDNew York, NY 100291841290905
- Bradley Delman, MDNew York, NY 100291306846738
- Ronald Glass, MDNew York, NY 100291447250899
- Kathleen Halton, MDNew York, NY 100291851380711
- David Lerner, MDNew York, NY 100291568462802
- Laurie Margolies, MDNew York, NY 100291770578379
- Thomas Naidich, MDNew York, NY 100291073513354
- Dana Rausch, MDNew York, NY 100291578563870
Common questions
What is John-Paul Grenier, M.D.'s NPI number?
John-Paul Grenier, M.D.'s National Provider Identifier (NPI) is 1366977092, issued on May 1, 2017. An NPI identifies a provider in billing; it is not a license.
Where is John-Paul Grenier, M.D. located?
The NPPES record lists a practice address at 1468 Madison Ave, New York, NY, 10029. Phone: (212) 241-6500. Providers update this record themselves, so call before visiting.
How can I verify John-Paul Grenier, M.D.'s license?
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.