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Emergency Medicine

James M. Fitzgerald Jr., DO

Works at hospitals in Tahlequah, OK · Ardmore, OK · Oklahoma City, OK … · Oklahoma

Summary

Dr. James M. Fitzgerald Jr., DO is an emergency medicine doctor at 430 N Monte Vista St, Ada, OK 74820. Phone: (580) 332-2323. Accepts Medicare assignment. In 2024, James M. Fitzgerald Jr. had 682 Original Medicare patients and 917 services. NPI 1538155718. 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.

From official Medicare data

This page shows what Medicare's official clinician data says about James M. Fitzgerald 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 James M. Fitzgerald Jr. accept Medicare assignment?
Yes. Medicare's clinician data says James M. Fitzgerald 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 James M. Fitzgerald Jr. see?
In 2024, CMS data shows 682 Original Medicare patients and 917 services for James M. Fitzgerald Jr.. This counts Original Medicare only and measures volume, not quality.
What is James M. Fitzgerald Jr.'s NPI number?
1538155718. 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 James M. Fitzgerald 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 patients682
Services billed to Medicare917
Different services or procedures14
Participating Medicare providerYes
Average age of these patients77

Most frequent services

  1. Emergency department visit with high level of medical decision making (99285)528 services
  2. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)190 services
  3. Emergency department visit with moderate level of medical decision making (99284)118 services
  4. Emergency department visit with low level of medical decision making (99283)25 services
  5. Critical care, first 30-74 minutes (99291)21 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 blood pressure75%
  • High cholesterol75%
  • Ischemic heart disease69%
  • Arthritis60%
  • Atrial fibrillation49%
  • Heart failure47%

Hospitals where James M. Fitzgerald Jr. works

Medicare's Facility Affiliation Data lists James M. Fitzgerald 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 James M. Fitzgerald Jr. is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

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

  • Mercy Clinic Oklahoma Communities649 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Oklahoma →

Other emergency medicine doctors in Ada

Clinicians with the same Medicare primary specialty in Ada, OK — not a recommendation.

All emergency medicine doctors in Ada →

Other clinicians in Mercy Clinic Oklahoma Communities

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

Clinician information

CredentialDO
Medical schoolOklahoma State University College Of Osteopathic Medicine
Graduation year2001 (25 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1538155718
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