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Diagnostic Radiology

John M. McKennan, MD

Sees patients in New Hartford, NY · Utica, NY · New York

Summary

Dr. John M. McKennan, MD is a radiologist at 1 Oxford Rd, Suite 301, New Hartford, NY 13413. Phone: (315) 624-9081. Accepts Medicare assignment. In 2024, John M. McKennan had 1,634 Original Medicare patients and 7,664 services. NPI 1588625297. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Radiologist (Medicare lists Diagnostic Radiology)
  • Address: 1 Oxford Rd, Suite 301, New Hartford, NY 13413 · Directions (1 more location)
  • Phone: (315) 624‑9081
  • Medicare: Accepts Medicare assignment
  • Group practice: Cmi Professional Services
  • Medical school: State University Of Ny Upstate Medical University · graduated 1982 (44 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about John M. McKennan, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does John M. McKennan accept Medicare assignment?
Yes. Medicare's clinician data says John M. McKennan accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does John M. McKennan see?
In 2024, CMS data shows 1,634 Original Medicare patients and 7,664 services for John M. McKennan. This counts Original Medicare only and measures volume, not quality.
What is John M. McKennan's NPI number?
1588625297. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for John M. McKennan, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients1,634
Services billed to Medicare7,664
Different services or procedures95
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Injection, gadobutrol, 0.1 ml (A9585)2,950 services
  2. Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (Q9967)1,575 services
  3. Screening mammography (77067)670 services
  4. Screening 3d breast mammography (77063)639 services
  5. Complete ultrasound scan of abdomen (76700)244 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High cholesterol75%
  • High blood pressure74%
  • Arthritis50%
  • Diabetes28%
  • Anxiety20%
  • Chronic kidney disease19%

Practice locations

Addresses where John M. McKennan is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists John M. McKennan as a member of this group (CMS data updated October 2, 2026).

  • Cmi Professional Services13 clinicians in the group

Specialties

Find other Diagnostic Radiology doctors in New York →

Other radiologists in New York

Clinicians with the same Medicare primary specialty in New York — not a recommendation.

All radiologists in New York →

Clinician information

CredentialMD
Medical schoolState University Of Ny Upstate Medical University
Graduation year1982 (44 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1588625297
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians