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Emergency Medicine

Robert Cortner, DO

Works at hospitals in Ardmore, OK · Guymon, OK · Seiling, OK · Oklahoma

Summary

Robert Cortner, DO (Emergency Medicine) is listed by Medicare at 3 hospitals in Ardmore, OK, Guymon, OK and Seiling, OK. NPI 1659714772. 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 Robert Cortner, 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

Emergency MedicinePrimary specialty
YesAccepts Medicare assignment
16Years since medical school (graduated 2010)
University Of North Texas Hsc, College Of Osteopathic MedMedical school
MaleGender (as listed)
Exceptional Physicians Group Ardmore Hospital PLLCGroup practice (+4 more)

Quick answers

Which hospitals does Robert Cortner work at?
Medicare's official clinician data lists Robert Cortner at 3 hospitals: Exceptional Community Hospital Ardmore, Memorial Hospital of Texas County Authority and Seiling Municipal Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Robert Cortner see patients?
Medicare's clinician data lists 7 practice locations, including Stilwell, OK, Ardmore, OK and Guymon, OK. Call before your visit to confirm the address.
What is Robert Cortner's specialty?
Medicare lists Emergency Medicine as the primary specialty.
Does Robert Cortner accept Medicare assignment?
Yes. Medicare's clinician data says Robert Cortner 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 Robert Cortner?
(918) 696-4065, as listed in official Medicare / NPI Registry data.
What is Robert Cortner's NPI number?
1659714772. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Robert Cortner works

Medicare's Facility Affiliation Data lists Robert Cortner 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 Robert Cortner is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 7; the Medicare profile lists all.

Group practices

Medicare enrollment lists Robert Cortner as a member of these groups (CMS data updated 2026-10-02).

  • Exceptional Physicians Group Ardmore Hospital PLLC21 clinicians in the group
  • Seiling Municipal Hospital Authority15 clinicians in the group
  • CAH Acquisition Company 9 LLC14 clinicians in the group
  • Memorial Hospital of Texas County Authority9 clinicians in the group
  • Adair County Health Center Inc8 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Oklahoma →

Other emergency medicine doctors in Oklahoma

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

All emergency medicine doctors in Oklahoma →

Clinician information

CredentialDO
Medical schoolUniversity Of North Texas Hsc, College Of Osteopathic Med
Graduation year2010
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1659714772
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