Quick answers
- Which hospitals does Oscar Rivera work at?
- Medicare's official clinician data lists Oscar Rivera at 3 hospitals: CHRISTUS Santa Rosa Medical Center, Fort Duncan Medical Center and Val Verde Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Oscar Rivera see patients?
- Medicare's clinician data lists 8 practice locations, including San Antonio, TX, Eagle Pass, TX and Tyler, TX. Call before your visit to confirm the address.
- What is Oscar Rivera's specialty?
- Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty, and also Interventional Cardiology.
- Does Oscar Rivera accept Medicare assignment?
- Yes. Medicare's clinician data says Oscar Rivera 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.
- Does Oscar Rivera offer telehealth?
- Medicare's clinician data says Oscar Rivera offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Oscar Rivera?
- (830) 643-7000, as listed in official Medicare / NPI Registry data.
- What is Oscar Rivera's NPI number?
- 1376728279. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Oscar Rivera works
Medicare's Facility Affiliation Data lists Oscar Rivera at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- CHRISTUS Santa Rosa Medical CenterSan Antonio, TX · Acute Care Hospital · CCN 450237
- Fort Duncan Medical CenterEagle Pass, TX · Acute Care Hospital · CCN 450092
- Val Verde Regional Medical CenterDel Rio, TX · Acute Care Hospital · CCN 450154
Practice locations
Addresses where Oscar Rivera is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 8; the Medicare profile lists all.
- 11130 CHRISTUS HlsSan Antonio, TX 78251
- 11212 State Hwy, 151 Suite 230San Antonio, TX 78251 (830) 643‑7000
- 11212 State Hwy 151San Antonio, TX 78251
- 2824 N VeteranEagle Pass, TX 78852 (210) 703‑8925
- 2833 Babcock Rd, Suite 435San Antonio, TX 78229 (210) 705‑5060
Group practices
Medicare enrollment lists Oscar Rivera as a member of this group (CMS data updated 2026-10-02).
- CHRISTUS Trinity Clinic Texas1,540 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in Texas →
Other cardiologists in San Antonio
Clinicians with the same Medicare primary specialty in San Antonio, TX — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Ponce School Of Medicine |
| Graduation year | 2006 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1376728279 |
| 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