Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Emergency Medicine

McKay D. Rentz, DO

Works at hospitals in Chickasha, OK · Purcell, OK · Midwest City, OK … · Oklahoma

Summary

Dr. McKay D. Rentz, DO is an emergency medicine doctor at 1500 N Green Ave, Purcell, OK 73080. Phone: (405) 527-6524. Accepts Medicare assignment. In 2024, McKay D. Rentz had 29 Original Medicare patients and 36 services. NPI 1922703404. 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 McKay D. Rentz, 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 McKay D. Rentz accept Medicare assignment?
Yes. Medicare's clinician data says McKay D. Rentz 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 McKay D. Rentz see?
In 2024, CMS data shows 29 Original Medicare patients and 36 services for McKay D. Rentz. This counts Original Medicare only and measures volume, not quality.
What is McKay D. Rentz's NPI number?
1922703404. 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 McKay D. Rentz, 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 patients29
Services billed to Medicare36
Different services or procedures5
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Emergency department visit with high level of medical decision making (99285)20 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%
  • Arthritis52%
  • High cholesterol48%
  • Diabetes41%
  • Ischemic heart disease38%
  • Depression38%

Hospitals where McKay D. Rentz works

Medicare's Facility Affiliation Data lists McKay D. Rentz 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 McKay D. Rentz is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists McKay D. Rentz as a member of these groups (CMS data updated October 2, 2026).

  • Emergency Physicians of Mid-America PC82 clinicians in the group
  • Emergency Services of Oklahoma PC66 clinicians in the group
  • Grady Memorial Hospital47 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Oklahoma →

Other emergency medicine doctors in Purcell

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

All emergency medicine doctors in Purcell →

Other clinicians in Emergency Physicians of Mid-America PC

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

Clinician information

CredentialDO
Medical schoolArizona College Of Osteopathic Medicine Mid Western University
Graduation year2023 (3 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1922703404
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