Quick answers
- Where does William L. Thornton see patients?
- Medicare's clinician data lists 5 practice locations, including Dallas, TX. Call before your visit to confirm the address.
- What is William L. Thornton's specialty?
- Medicare lists Psychiatry as the primary specialty, and also Neuropsychiatry.
- Does William L. Thornton accept Medicare assignment?
- Yes. Medicare's clinician data says William L. Thornton 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.
- Does William L. Thornton offer telehealth?
- Medicare's clinician data says William L. Thornton offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for William L. Thornton?
- (214) 645-8500, as listed in official Medicare / NPI Registry data.
- What is William L. Thornton's NPI number?
- 1336199868. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where William L. Thornton is enrolled with Medicare (CMS data updated 2026-10-02).
- 1430 Empire Central DrDallas, TX 75247 (214) 645‑8500
- 5201 Harry Hines BlvdDallas, TX 75235
- 5201 Harry Hines VlvdDallas, TX 75235 (214) 590‑5582
- 6201 Harry Hines BlvdDallas, TX 75235
- 6202 Harry Hines BlvdDallas, TX 75235 (469) 488‑7000
Group practices
Medicare enrollment lists William L. Thornton as a member of this group (CMS data updated 2026-10-02).
- University of Texas Southwestern Medical Center at Dallas3,187 clinicians in the group
Specialties
- Psychiatryprimary
- Neuropsychiatryalso
Other psychiatrists in Dallas
Clinicians with the same Medicare primary specialty in Dallas, TX — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Texas Southwestern Medical School At Dallas |
| Graduation year | 1987 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1336199868 |
| 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
- 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