Quick answers
- Which hospitals does Erik Allison work at?
- Medicare's official clinician data lists Erik Allison at 2 hospitals: Mary Rutan Hospital and Saint Francis Hospital South, LLC. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Erik Allison see patients?
- Medicare's clinician data lists 2 practice locations, including Muskogee, OK and Tulsa, OK. Call before your visit to confirm the address.
- What is Erik Allison's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does Erik Allison accept Medicare assignment?
- Yes. Medicare's clinician data says Erik Allison 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 Erik Allison?
- (918) 682-5501, as listed in official Medicare / NPI Registry data.
- What is Erik Allison's NPI number?
- 1821309113. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Erik Allison works
Medicare's Facility Affiliation Data lists Erik Allison at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Mary Rutan HospitalBellefontaine, OH · Acute Care Hospital · CCN 360197
- Saint Francis Hospital South, LLCTulsa, OK · Acute Care Hospital · CCN 370218
Practice locations
Addresses where Erik Allison is enrolled with Medicare (CMS data updated 2026-10-02).
- 300 Rockefeller DrMuskogee, OK 74401 (918) 682‑5501
- 6161 S Yale AveTulsa, OK 74136 (918) 494‑2200
Group practices
Medicare enrollment lists Erik Allison as a member of this group (CMS data updated 2026-10-02).
- Ies ER Oklahoma LLC143 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Muskogee
Clinicians with the same Medicare primary specialty in Muskogee, OK — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Midwestern University, Chicago College Of Osteopathic Med |
| Graduation year | 2007 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1821309113 |
| Corrections | Report 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians