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

Family Practice

John R. Miller Iii, DO

Works at hospitals in Tulsa, OK · Oklahoma

Summary

Dr. John R. Miller Iii, DO is a family doctor at 042 Murray, Stillwater, OK 74078. Phone: (405) 744-8939. Accepts Medicare assignment. In 2024, John R. Miller Iii had 103 Original Medicare patients and 365 services. NPI 1952620767. 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: 042 Murray, Stillwater, OK 74078 · Directions (2 more locations)
  • Phone: (405) 744‑8939
  • Medicare: Accepts Medicare assignment
  • Hospital: Oklahoma State University Medical Center
  • Group practice: Oklahoma State University
  • Medical school: graduated 2010 (16 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about John R. Miller Iii, 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 R. Miller Iii accept Medicare assignment?
Yes. Medicare's clinician data says John R. Miller Iii 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 R. Miller Iii see?
In 2024, CMS data shows 103 Original Medicare patients and 365 services for John R. Miller Iii. This counts Original Medicare only and measures volume, not quality.
What is John R. Miller Iii's NPI number?
1952620767. 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 R. Miller Iii, 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 patients103
Services billed to Medicare365
Different services or procedures32
Participating Medicare providerYes
Average age of these patients64

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)109 services
  2. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)100 services
  3. Assessment of emotional or behavioral problems (96127)51 services
  4. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)23 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 pressure71%
  • High cholesterol51%
  • Depression39%
  • Anxiety37%
  • Arthritis36%
  • Diabetes28%

Hospitals where John R. Miller Iii works

Medicare's Facility Affiliation Data lists John R. Miller Iii 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 R. Miller Iii is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

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

  • Oklahoma State University108 clinicians in the group

Specialties

Find other Family Practice doctors in Oklahoma →

Other family doctors in Stillwater

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

All family doctors in Stillwater →

Other clinicians in Oklahoma State University

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

Clinician information

CredentialDO
Graduation year2010 (16 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1952620767
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