Quick answers
- Where does James S. Gilley see patients?
- Medicare's clinician data lists 2 practice locations, including Frederickburg, TX and San Antonio, TX. Call before your visit to confirm the address.
- What is James S. Gilley's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does James S. Gilley accept Medicare assignment?
- Yes. Medicare's clinician data says James S. Gilley 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 James S. Gilley?
- (830) 997-1268, as listed in official Medicare / NPI Registry data.
- What is James S. Gilley's NPI number?
- 1952378721. 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 James S. Gilley is enrolled with Medicare (CMS data updated 2026-10-02).
- 1020 S State Hwy 16Frederickburg, TX 78624 (830) 997‑1268
- 21 Spurs Ln, Suite Sl 140San Antonio, TX 78240 (210) 617‑9100
Group practices
Medicare enrollment lists James S. Gilley as a member of these groups (CMS data updated 2026-10-02).
- South Texas Radiology Group PA89 clinicians in the group
- South Texas Radiology Imaging Centers77 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Frederickburg
Clinicians with the same Medicare primary specialty in Frederickburg, TX — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Virginia School Of Medicine |
| Graduation year | 1977 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1952378721 |
| 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