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Family Practice

John A. Kearney Jr., MD

Works at hospitals in Phoenix, AZ · Arizona

Summary

Dr. John A. Kearney Jr., MD is a family doctor at 14520 W Granite Valley Dr, Suite 210, Sun City West, AZ 85375. Phone: (866) 974-2673. Accepts Medicare assignment. In 2024, John A. Kearney Jr. had 456 Original Medicare patients and 4,936 services. NPI 1578583928. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Family doctor (Medicare lists Family Practice)
  • Address: 14520 W Granite Valley Dr, Suite 210, Sun City West, AZ 85375 · Directions (1 more location)
  • Phone: (866) 974‑2673
  • Medicare: Accepts Medicare assignment
  • Hospital: The Core Institute Specialty Hospital
  • Group practice: Center for Orthopedic Research and Education LLC
  • Medical school: University Of Arizona College Of Medicine · graduated 2002 (24 years since medical school)
  • Gender (as listed): Male
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about John A. Kearney Jr., 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 A. Kearney Jr. accept Medicare assignment?
Yes. Medicare's clinician data says John A. Kearney Jr. 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 A. Kearney Jr. see?
In 2024, CMS data shows 456 Original Medicare patients and 4,936 services for John A. Kearney Jr.. This counts Original Medicare only and measures volume, not quality.
What is John A. Kearney Jr.'s NPI number?
1578583928. 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 A. Kearney Jr., 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 patients456
Services billed to Medicare4,936
Different services or procedures57
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Injection, triamcinolone acetonide, not otherwise specified, 10 mg (J3301)1,684 services
  2. Hyaluronan or derivative, trivisc, for intra-articular injection, 1 mg (J7329)1,350 services
  3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)383 services
  4. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)297 services
  5. Aspiration and/or injection of fluid large joint using ultrasound guidance (20611)252 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%
  • Arthritis75%
  • High blood pressure70%
  • Ischemic heart disease29%
  • Anxiety27%
  • Chronic kidney disease27%

Hospitals where John A. Kearney Jr. works

Medicare's Facility Affiliation Data lists John A. Kearney Jr. at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where John A. Kearney Jr. is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

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

  • Center for Orthopedic Research and Education LLC250 clinicians in the group

Specialties

Find other Family Practice doctors in Arizona →

Other family doctors in Sun City West

Clinicians with the same Medicare primary specialty in Sun City West, AZ — not a recommendation.

All family doctors in Sun City West →

Other clinicians in Center for Orthopedic Research and Education LLC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolUniversity Of Arizona College Of Medicine
Graduation year2002 (24 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1578583928
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. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians