Quick answers
- Which hospitals does Mateo G. Rivera work at?
- Medicare's official clinician data lists Mateo G. Rivera at 1 hospital: Adventist Health Bakersfield. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mateo G. Rivera see patients?
- Medicare's clinician data lists 2 practice locations, including Delano, CA and Bakersfield, CA. Call before your visit to confirm the address.
- What is Mateo G. Rivera's specialty?
- Medicare lists Certified Registered Nurse Anesthetist (CRNA) as the primary specialty.
- Does Mateo G. Rivera accept Medicare assignment?
- Yes. Medicare's clinician data says Mateo G. 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 Mateo G. Rivera?
- (661) 725-4800, as listed in official Medicare / NPI Registry data.
- What is Mateo G. Rivera's NPI number?
- 1851799522. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mateo G. Rivera works
Medicare's Facility Affiliation Data lists Mateo G. Rivera at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Adventist Health BakersfieldBakersfield, CA · Acute Care Hospital · CCN 050455
Practice locations
Addresses where Mateo G. Rivera is enrolled with Medicare (CMS data updated 2026-10-02).
- 1401 Garces HwyDelano, CA 93215 (661) 725‑4800
- 2615 Chester AveBakersfield, CA 93301 (661) 395‑3000
Group practices
Medicare enrollment lists Mateo G. Rivera as a member of this group (CMS data updated 2026-10-02).
- Comfort Anesthesia Associates Inc77 clinicians in the group
Specialties
Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), California →
Other nurse anesthetists in Delano
Clinicians with the same Medicare primary specialty in Delano, CA — not a recommendation.
Clinician information
| Credential | CNA |
|---|---|
| Graduation year | 2013 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1851799522 |
| 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