Quick answers
- Which hospitals does William C. Grammer work at?
- Medicare's official clinician data lists William C. Grammer at 4 hospitals: Mercy Hospital Northwest Arkansas, Northwest Medical Center-Springdale, University of Arkansas Medical Sciences and Washington Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does William C. Grammer see patients?
- Medicare's clinician data lists 3 practice locations, including Fayetteville, AR, Rogers, AR and Little Rock, AR. Call before your visit to confirm the address.
- What is William C. Grammer's specialty?
- Medicare lists Orthopedic Surgery as the primary specialty.
- Does William C. Grammer accept Medicare assignment?
- Yes. Medicare's clinician data says William C. Grammer 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 William C. Grammer?
- (479) 966-4311, as listed in official Medicare / NPI Registry data.
- What is William C. Grammer's NPI number?
- 1881650554. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where William C. Grammer works
Medicare's Facility Affiliation Data lists William C. Grammer at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Mercy Hospital Northwest ArkansasRogers, AR · Acute Care Hospital · CCN 040010
- Northwest Medical Center-SpringdaleSpringdale, AR · Acute Care Hospital · CCN 040022
- University of Arkansas Medical SciencesLittle Rock, AR · Acute Care Hospital · CCN 040016
- Washington Regional Medical CenterFayetteville, AR · Acute Care Hospital · CCN 040004
Practice locations
Addresses where William C. Grammer is enrolled with Medicare (CMS data updated 2026-10-02).
- 201 W Van Asche Loop, UAMS Health TrmFayetteville, AR 72703 (479) 966‑4311
- 2530 S Pinnacle Hills Pkwy, Suite 200Rogers, AR 72758 (479) 966‑4491
- 4301 W Markam StLittle Rock, AR 72205 (501) 686‑8000
Group practices
Medicare enrollment lists William C. Grammer as a member of this group (CMS data updated 2026-10-02).
- University of Arkansas for Medical Sciences1,175 clinicians in the group
Specialties
- Orthopedic Surgeryprimary
Other orthopedic surgeons in Fayetteville
Clinicians with the same Medicare primary specialty in Fayetteville, AR — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Arkansas College Of Medicine |
| Graduation year | 1999 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1881650554 |
| 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