Quick answers
- Which hospitals does William King work at?
- Medicare's official clinician data lists William King at 1 hospital: Baxter Health. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does William King see patients?
- Medicare's clinician data lists 4 practice locations, including Little Rock, AR and Mountain Home, AR. Call before your visit to confirm the address.
- What is William King's specialty?
- Medicare lists Anesthesiology as the primary specialty.
- Does William King accept Medicare assignment?
- Yes. Medicare's clinician data says William King 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 King?
- (501) 227-5050, as listed in official Medicare / NPI Registry data.
- What is William King's NPI number?
- 1629043450. 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 King works
Medicare's Facility Affiliation Data lists William King at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Baxter HealthMountain Home, AR · Acute Care Hospital · CCN 040027
Practice locations
Addresses where William King is enrolled with Medicare (CMS data updated 2026-10-02).
- 10201 Kanis RdLittle Rock, AR 72205 (501) 227‑5050
- 624 Hospital DrMountain Home, AR 72653 (870) 508‑1000
- 761 Beard DrMountain Home, AR 72653 (870) 508‑6700
- 9500 Kanis Rd, Suite 401Little Rock, AR 72205 (501) 227‑9088
Group practices
Medicare enrollment lists William King as a member of this group (CMS data updated 2026-10-02).
- Arkansas Anesthesia Associates PLLC83 clinicians in the group
Specialties
- Anesthesiologyprimary
Other anesthesiologists in Little Rock
Clinicians with the same Medicare primary specialty in Little Rock, AR — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Mississippi School Of Medicine |
| Graduation year | 1996 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1629043450 |
| 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