Quick answers
- Which hospitals does Ruben Rios work at?
- Medicare's official clinician data lists Ruben Rios at 2 hospitals: Methodist Hospital and Methodist Hospital Stone Oak. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Ruben Rios see patients?
- Medicare's clinician data lists 4 practice locations, including San Antonio, TX, Live Oak, TX and Shenandoah, TX. Call before your visit to confirm the address.
- What is Ruben Rios's specialty?
- Medicare lists Anesthesiology as the primary specialty.
- Does Ruben Rios accept Medicare assignment?
- Yes. Medicare's clinician data says Ruben Rios 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 Ruben Rios?
- (210) 638-2100, as listed in official Medicare / NPI Registry data.
- What is Ruben Rios's NPI number?
- 1699758201. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ruben Rios works
Medicare's Facility Affiliation Data lists Ruben Rios at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Methodist HospitalSan Antonio, TX · Acute Care Hospital · CCN 450388
- Methodist Hospital Stone OakSan Antonio, TX · Acute Care Hospital · CCN 670055
Practice locations
Addresses where Ruben Rios is enrolled with Medicare (CMS data updated 2026-10-02).
- 1139 E Sonterra BlvdSan Antonio, TX 78258 (210) 638‑2100
- 12412 Judson RdLive Oak, TX 78233 (210) 757‑7000
- 8811 Village DrSan Antonio, TX 78217 (210) 297‑2000
- 9250 Pinecroft DrShenandoah, TX 77380 (713) 620‑4000
Group practices
Medicare enrollment lists Ruben Rios as a member of this group (CMS data updated 2026-10-02).
- U S Anesthesia Partners of Texas, PA2,752 clinicians in the group
Specialties
- Anesthesiologyprimary
Other anesthesiologists in San Antonio
Clinicians with the same Medicare primary specialty in San Antonio, TX — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Texas Medical School At San Antonio |
| Graduation year | 1987 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1699758201 |
| 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