Quick answers
- Which hospitals does Klay D. McWilliams work at?
- Medicare's official clinician data lists Klay D. McWilliams at 1 hospital: Rolling Plains Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Klay D. McWilliams see patients?
- Medicare's clinician data lists 1 practice location in Sweetwater, TX. Call before your visit to confirm the address.
- What is Klay D. McWilliams's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Klay D. McWilliams accept Medicare assignment?
- Yes. Medicare's clinician data says Klay D. McWilliams 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 Klay D. McWilliams?
- (325) 219-6237, as listed in official Medicare / NPI Registry data.
- What is Klay D. McWilliams's NPI number?
- 1417574161. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Klay D. McWilliams works
Medicare's Facility Affiliation Data lists Klay D. McWilliams at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Rolling Plains Memorial HospitalSweetwater, TX · Acute Care Hospital · CCN 450055
Practice locations
Addresses where Klay D. McWilliams is enrolled with Medicare (CMS data updated 2026-10-02).
- 201 E Arizona AveSweetwater, TX 79556 (325) 219‑6237
Group practices
Medicare enrollment lists Klay D. McWilliams as a member of this group (CMS data updated 2026-10-02).
- Rolling Plains Memorial Hospital19 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Sweetwater
Clinicians with the same Medicare primary specialty in Sweetwater, TX — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2019 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1417574161 |
| 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