John Mahon, MD
Diagnostic Radiology Physician · New York, NY
John Mahon, MD is a diagnostic radiology physician with a practice address in New York, New York, and NPI 1326509373, issued on Mar 30, 2019. Check the license (New York 332145-01, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- John Mahon
- Credential
- MD
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- 332145-01 NY
Self-reported in NPPES; status is on the state search - Practice location
- 100 E 77TH St, New York, NY 10075
- Phone
- (212) 434-2000
- Enumerated
- Mar 30, 2019
- Record last updated
- May 19, 2025
- Medicare enrollment
- Enrolled (PECOS I20250609000935); accepts Medicare assignment
- Medical or professional school
- State University Of New York At Stony Brook, 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 100 E 77TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mohamed Aboseria, MDStudent in an Organized Health Care Education/Training Program1225616345
- Bincy Abraham, NPFamily Nurse Practitioner1427309947
- Abduljabar Adi, MDStudent in an Organized Health Care Education/Training Program1376346957
- Arzu Adiguzel, ACNPAcute Care Nurse Practitioner1598019127
- Alexia Adler, DNP, AGACNPAcute Care Nurse Practitioner1689593915
- Yeshayahu AdonolemRegistered Nurse1235055930
Verify John Mahon 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 332145-01Check 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 2 group practices
- North Shore-Lij Medical PCManhasset, NY
- Southside Faculty Medical Affiliates University Faculty Practice CorpNew York, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Mahon among 3,146 diagnostic radiology physician records in New York
John Mahon, MD 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
- Juna Bobby, M.D.New York, NY 100751013949932
- Gagarini Espino, MDNew York, NY 100751588657415
- Karen Fried, MDNew York, NY 100751356384911
- Peter Glickman, M.D.New York, NY 100751659350734
- Jeffrey Hellinger, MDNew York, NY 100751861443350
- Caren Jahre, MDNew York, NY 100751568566149
- Jane Lee, M.D.New York, NY 100751629033501
- Leslie Miller, MDNew York, NY 100751710957477
Common questions
What is John Mahon, MD's NPI number?
John Mahon, MD's National Provider Identifier (NPI) is 1326509373, issued on Mar 30, 2019. An NPI identifies a provider in billing; it is not a license.
Where is John Mahon, MD located?
The NPPES record lists a practice address at 100 E 77TH St, New York, NY, 10075. Phone: (212) 434-2000. Providers update this record themselves, so call before visiting.
How can I verify John Mahon, MD's license?
NPPES lists New York license number 332145-01, 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.