Quick answers
- Which hospitals does Robert A. Williams work at?
- Medicare's official clinician data lists Robert A. Williams at 2 hospitals: Doctors Hosptal at Renaissance and Shannon Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Robert A. Williams see patients?
- Medicare's clinician data lists 3 practice locations, including San Angelo, TX, Bastrop, TX and Edinburg, TX. Call before your visit to confirm the address.
- What is Robert A. Williams's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does Robert A. Williams accept Medicare assignment?
- Yes. Medicare's clinician data says Robert A. 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 Robert A. Williams?
- (325) 747-1511, as listed in official Medicare / NPI Registry data.
- What is Robert A. Williams's NPI number?
- 1073553202. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Robert A. Williams works
Medicare's Facility Affiliation Data lists Robert A. Williams at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Doctors Hosptal at RenaissanceEdinburg, TX · Acute Care Hospital · CCN 450869
- Shannon Medical CenterSan Angelo, TX · Acute Care Hospital · CCN 450571
Practice locations
Addresses where Robert A. Williams is enrolled with Medicare (CMS data updated 2026-10-02).
- 120 E Beauregard AveSan Angelo, TX 76903 (325) 747‑1511
- 150 Settlement Dr, Suite DBastrop, TX 78602 (956) 362‑7553
- 5501 S McColl RdEdinburg, TX 78539 (956) 362‑2171
Group practices
Medicare enrollment lists Robert A. Williams as a member of these groups (CMS data updated 2026-10-02).
- Shannon Clinic559 clinicians in the group
- Renaissance Medical Foundation181 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in San Angelo
Clinicians with the same Medicare primary specialty in San Angelo, TX — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Oklahoma College Of Medicine |
| Graduation year | 1998 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1073553202 |
| 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