Quick answers
- Which hospitals does Mark V. Vadney work at?
- Medicare's official clinician data lists Mark V. Vadney at 1 hospital: Great Plains Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark V. Vadney see patients?
- Medicare's clinician data lists 4 practice locations, including Elk City, OK and Lawton, OK. Call before your visit to confirm the address.
- What is Mark V. Vadney's specialty?
- Medicare lists Certified Registered Nurse Anesthetist (CRNA) as the primary specialty.
- Does Mark V. Vadney accept Medicare assignment?
- Yes. Medicare's clinician data says Mark V. Vadney 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 Mark V. Vadney?
- (580) 225-2511, as listed in official Medicare / NPI Registry data.
- What is Mark V. Vadney's NPI number?
- 1326035288. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mark V. Vadney works
Medicare's Facility Affiliation Data lists Mark V. Vadney at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Great Plains Regional Medical CenterElk City, OK · Acute Care Hospital · CCN 370019
Practice locations
Addresses where Mark V. Vadney is enrolled with Medicare (CMS data updated 2026-10-02).
- 1800 W 1st StElk City, OK 73644
- 1801 W 3rd StElk City, OK 73644 (580) 225‑2511
- 1819 W 3rd St, Great Plains Regional Medical CenterElk City, OK 73644 (580) 225‑2511
- 4214 SW Lee BlvdLawton, OK 73505 (580) 353‑5860
Group practices
Medicare enrollment lists Mark V. Vadney as a member of these groups (CMS data updated 2026-10-02).
- Farmers Union Hospital Association42 clinicians in the group
- RGH Eye Clinic PLLC6 clinicians in the group
Specialties
Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), Oklahoma →
Other nurse anesthetists in Elk City
Clinicians with the same Medicare primary specialty in Elk City, OK — not a recommendation.
Clinician information
| Credential | CNA |
|---|---|
| Graduation year | 2003 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1326035288 |
| 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