Quick answers
- Does Johnny A. Zellmer accept Medicare assignment?
- Yes. Medicare's clinician data says Johnny A. Zellmer 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.
- What is Johnny A. Zellmer's NPI number?
- 1053347120. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Johnny A. Zellmer works
Medicare's Facility Affiliation Data lists Johnny A. Zellmer 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.
- McAlester Regional Health CenterMcAlester, OK · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 370034
- O U Medical CenterOklahoma City, OK · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 370093
Practice locations
Addresses where Johnny A. Zellmer is enrolled with Medicare (CMS data updated October 2, 2026).
- 1429 Pennsylvania AveHartshorne, OK 74547
- 200 S 3rd St, Suite BMcAlester, OK 74501
- 3101 Elk DrMcAlester, OK 74501
- 4 E Clark Bass Blvd, Suite 301McAlester, OK 74501 (918) 426‑2442
Group practices
Medicare enrollment lists Johnny A. Zellmer as a member of this group (CMS data updated October 2, 2026).
- Caring Hands Healthcare Centers, Inc11 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Oklahoma
Clinicians with the same Medicare primary specialty in Oklahoma — not a recommendation.
Other clinicians in Caring Hands Healthcare Centers, Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Oklahoma College Of Medicine |
| Graduation year | 1996 (30 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1053347120 |
| 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 October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- 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