Quick answers
- Which hospitals does Dorissa R. Rivera work at?
- Medicare's official clinician data lists Dorissa R. Rivera at 2 hospitals: North Austin Medical Center and Round Rock Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Dorissa R. Rivera see patients?
- Medicare's clinician data lists 3 practice locations, including Round Rock, TX and Austin, TX. Call before your visit to confirm the address.
- What is Dorissa R. Rivera's specialty?
- Medicare lists Certified Registered Nurse Anesthetist (CRNA) as the primary specialty.
- Does Dorissa R. Rivera accept Medicare assignment?
- Yes. Medicare's clinician data says Dorissa R. 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.
- What is the phone number for Dorissa R. Rivera?
- (512) 244-4272, as listed in official Medicare / NPI Registry data.
- What is Dorissa R. Rivera's NPI number?
- 1497273338. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Dorissa R. Rivera works
Medicare's Facility Affiliation Data lists Dorissa R. Rivera at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- North Austin Medical CenterAustin, TX · Acute Care Hospital · CCN 450809
- Round Rock Medical CenterRound Rock, TX · Acute Care Hospital · CCN 450718
Practice locations
Addresses where Dorissa R. Rivera is enrolled with Medicare (CMS data updated 2026-10-02).
- 2000 S Mays St, Suite 201Round Rock, TX 78664 (512) 244‑4272
- 6000 S Mopac, Suite 100Austin, TX 78749 (512) 244‑4272
- 8140 N Mopac Expy, Suite 3 210Austin, TX 78759 (512) 343‑2292
Group practices
Medicare enrollment lists Dorissa R. Rivera as a member of these groups (CMS data updated 2026-10-02).
- Austin Anesthesiology Group PLLC428 clinicians in the group
- Mark Malone MD PA103 clinicians in the group
Specialties
Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), Texas →
Other nurse anesthetists in Round Rock
Clinicians with the same Medicare primary specialty in Round Rock, TX — not a recommendation.
Clinician information
| Credential | CNA |
|---|---|
| Graduation year | 2017 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1497273338 |
| 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