Quick answers
- Which hospitals does William Williams work at?
- Medicare's official clinician data lists William Williams at 2 hospitals: Johnson Regional Medical Center and Mercy Hospital Ozark. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does William Williams see patients?
- Medicare's clinician data lists 1 practice location in Clarksville, AR. Call before your visit to confirm the address.
- What is William Williams's specialty?
- Medicare lists Family Practice as the primary specialty, and also Emergency Medicine.
- Does William Williams accept Medicare assignment?
- Yes. Medicare's clinician data says William Williams 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 Williams?
- (479) 754-4721, as listed in official Medicare / NPI Registry data.
- What is William Williams's NPI number?
- 1487875522. 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 Williams works
Medicare's Facility Affiliation Data lists William Williams at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Johnson Regional Medical CenterClarksville, AR · Acute Care Hospital · CCN 040002
- Mercy Hospital OzarkOzark, AR · Critical Access Hospital · CCN 041303
Practice locations
Addresses where William Williams is enrolled with Medicare (CMS data updated 2026-10-02).
- 23 Professional Park DrClarksville, AR 72830 (479) 754‑4721
Group practices
Medicare enrollment lists William Williams as a member of this group (CMS data updated 2026-10-02).
- Family Practice Associates of Clarksville, PA3 clinicians in the group
Specialties
- Family Practiceprimary
- Emergency Medicinealso
Other family doctors in Clarksville
Clinicians with the same Medicare primary specialty in Clarksville, AR — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Pikeville, Kentucky College Of Osteopathic Med |
| Graduation year | 2006 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1487875522 |
| 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