Quick answers
- Where does Charles Gillis see patients?
- Medicare's clinician data lists 2 practice locations, including San Antonio, TX. Call before your visit to confirm the address.
- What is Charles Gillis's specialty?
- Medicare lists Urology as the primary specialty.
- Does Charles Gillis accept Medicare assignment?
- Yes. Medicare's clinician data says Charles Gillis 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 Charles Gillis?
- (210) 450-9000, as listed in official Medicare / NPI Registry data.
- What is Charles Gillis's NPI number?
- 1285508812. 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 Charles Gillis is enrolled with Medicare (CMS data updated 2026-10-02).
- 7979 Wurzbach RdSan Antonio, TX 78229 (210) 450‑9000
- 8300 Floyd Curl DrSan Antonio, TX 78229 (210) 450‑9000
Group practices
Medicare enrollment lists Charles Gillis as a member of this group (CMS data updated 2026-10-02).
- University of Texas Health Science Center at San Antonio1,297 clinicians in the group
Specialties
- Urologyprimary
Other urologists in San Antonio
Clinicians with the same Medicare primary specialty in San Antonio, TX — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2020 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1285508812 |
| 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