Quick answers
- Which hospitals does William Castle work at?
- Medicare's official clinician data lists William Castle at 1 hospital: Mississippi Baptist Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does William Castle see patients?
- Medicare's clinician data lists 8 practice locations, including Clinton, MS, Jackson, MS and Brandon, MS. Call before your visit to confirm the address.
- What is William Castle's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does William Castle accept Medicare assignment?
- Yes. Medicare's clinician data says William Castle 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 Castle?
- (601) 924-9005, as listed in official Medicare / NPI Registry data.
- What is William Castle's NPI number?
- 1538138391. 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 Castle works
Medicare's Facility Affiliation Data lists William Castle at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Mississippi Baptist Medical CenterJackson, MS · Acute Care Hospital · CCN 250102
Practice locations
Addresses where William Castle is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 8; the Medicare profile lists all.
- 106 Clinton PkwyClinton, MS 39056 (601) 924‑9005
- 108 Clinton PkwyClinton, MS 39056 (601) 926‑2018
- 1225 N State StJackson, MS 39202 (601) 292‑4261
- 1225 N State St, Suite 100Jackson, MS 39202 (769) 268‑6625
- 1887 Spillway RdBrandon, MS 39047 (601) 992‑2553
Group practices
Medicare enrollment lists William Castle as a member of these groups (CMS data updated 2026-10-02).
- Medical Foundation of Central Mississippi Inc272 clinicians in the group
- McFatter Family Medical, LLC8 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Clinton
Clinicians with the same Medicare primary specialty in Clinton, MS — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Mississippi School Of Medicine |
| Graduation year | 2000 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1538138391 |
| 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