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Hospitalist

Aaron Isley, DO

Works at hospitals in Tulsa, OK · Okemah, OK · Okmulgee, OK · Oklahoma

Summary

Aaron Isley, DO (Hospitalist) is listed by Medicare at 4 hospitals in Tulsa, OK, Okemah, OK and Okmulgee, OK. NPI 1427494921. 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 Aaron Isley, 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

HospitalistPrimary specialty
YesAccepts Medicare assignment
13Years since medical school (graduated 2013)
Oklahoma State University College Of Osteopathic MedicineMedical school
MaleGender (as listed)
Creek Nation Hospital and ClinicsGroup practice (+1 more)

Quick answers

Which hospitals does Aaron Isley work at?
Medicare's official clinician data lists Aaron Isley at 4 hospitals: Council Oak Comprehensive Healthcare, Creek Nation Community Hospital, Hillcrest Medical Center and Muscogee (Creek) Nation Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Aaron Isley see patients?
Medicare's clinician data lists 3 practice locations, including Tulsa, OK and Okemah, OK. Call before your visit to confirm the address.
What is Aaron Isley's specialty?
Medicare lists Hospitalist as the primary specialty.
Does Aaron Isley accept Medicare assignment?
Yes. Medicare's clinician data says Aaron Isley 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 Aaron Isley?
(918) 756-4333, as listed in official Medicare / NPI Registry data.
What is Aaron Isley's NPI number?
1427494921. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Aaron Isley works

Medicare's Facility Affiliation Data lists Aaron Isley 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 Aaron Isley is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

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

  • Creek Nation Hospital and Clinics365 clinicians in the group
  • Ahs Oklahoma Physician Group LLC313 clinicians in the group

Specialties

Find other Hospitalist doctors in Oklahoma →

Other hospitalists in Tulsa

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

All hospitalists in Tulsa →

Clinician information

CredentialDO
Medical schoolOklahoma State University College Of Osteopathic Medicine
Graduation year2013
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1427494921
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