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Internal Medicine

John W. Holden, MD

Works at hospitals in Ponca City, OK · Oklahoma City, OK · Stillwater, OK … · Oklahoma

Summary

John W. Holden, MD (Internal Medicine) is listed by Medicare at 4 hospitals in Ponca City, OK, Oklahoma City, OK and Stillwater, OK and other places. NPI 1427034792. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about John W. Holden, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
24Years since medical school (graduated 2002)
University Of Oklahoma College Of MedicineMedical school
MaleGender (as listed)

Quick answers

Which hospitals does John W. Holden work at?
Medicare's official clinician data lists John W. Holden at 4 hospitals: INTEGRIS Health Ponca City, O U Medical Center, Stillwater Medical Center and Stillwater Medical-Blackwell. This is where the clinician works or has privileges; call the hospital to confirm.
Where does John W. Holden see patients?
Medicare's clinician data lists 2 practice locations, including Ponca City, OK. Call before your visit to confirm the address.
What is John W. Holden's specialty?
Medicare lists Internal Medicine as the primary specialty, and also Pediatric Medicine.
Does John W. Holden accept Medicare assignment?
Yes. Medicare's clinician data says John W. Holden accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for John W. Holden?
(580) 765-3321, as listed in official Medicare / NPI Registry data.
What is John W. Holden's NPI number?
1427034792. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where John W. Holden works

Medicare's Facility Affiliation Data lists John W. Holden at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where John W. Holden is enrolled with Medicare (CMS data updated 2026-10-02).

Specialties

Find other Internal Medicine doctors in Oklahoma →

Other internal medicine doctors in Oklahoma

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

All internal medicine doctors in Oklahoma →

Clinician information

CredentialMD
Medical schoolUniversity Of Oklahoma College Of Medicine
Graduation year2002
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1427034792
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 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  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