Quick answers
- Where does Richard L. Williams see patients?
- Medicare's clinician data lists 4 practice locations, including Rockwall, TX and Dallas, TX. Call before your visit to confirm the address.
- What is Richard L. Williams's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Richard L. Williams accept Medicare assignment?
- Yes. Medicare's clinician data says Richard L. 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 Richard L. Williams?
- (214) 478-3992, as listed in official Medicare / NPI Registry data.
- What is Richard L. Williams's NPI number?
- 1407017031. 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 Richard L. Williams is enrolled with Medicare (CMS data updated 2026-10-02).
- 3218 San Marcos DrRockwall, TX 75032 (214) 478‑3992
- 4835 Lbj Fwy, Suite 900Dallas, TX 75244
- 4835 Lyndon B Johnson Fwy, Suite 900Dallas, TX 75244 (469) 420‑5544
- 8130 Meadow Rd, Key MedicalDallas, TX 75231 (469) 248‑5853
Group practices
Medicare enrollment lists Richard L. Williams as a member of this group (CMS data updated 2026-10-02).
- Arze Medical PLLC21 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Rockwall
Clinicians with the same Medicare primary specialty in Rockwall, TX — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2008 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1407017031 |
| 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