Quick answers
- Which hospitals does Kirby D. Slifer work at?
- Medicare's official clinician data lists Kirby D. Slifer at 2 hospitals: Mercy Hospital Ada and Mimbres Valley Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Kirby D. Slifer see patients?
- Medicare's clinician data lists 1 practice location in Ada, OK. Call before your visit to confirm the address.
- What is Kirby D. Slifer's specialty?
- Medicare lists Internal Medicine as the primary specialty, and also Critical Care (Intensivists) and Infectious Disease.
- Does Kirby D. Slifer accept Medicare assignment?
- Yes. Medicare's clinician data says Kirby D. Slifer 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 Kirby D. Slifer?
- (580) 332-2323, as listed in official Medicare / NPI Registry data.
- What is Kirby D. Slifer's NPI number?
- 1073507422. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Kirby D. Slifer works
Medicare's Facility Affiliation Data lists Kirby D. Slifer at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Mercy Hospital AdaAda, OK · Acute Care Hospital · CCN 370020
- Mimbres Valley Medical CenterDeming, NM · Critical Access Hospital · CCN 321309
Practice locations
Addresses where Kirby D. Slifer is enrolled with Medicare (CMS data updated 2026-10-02).
- 430 N Monte Vista StAda, OK 74820 (580) 332‑2323
Group practices
Medicare enrollment lists Kirby D. Slifer as a member of this group (CMS data updated 2026-10-02).
- Mercy Clinic Oklahoma Communities649 clinicians in the group
Specialties
Other internal medicine doctors in Ada
Clinicians with the same Medicare primary specialty in Ada, OK — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 1987 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1073507422 |
| 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