Quick answers
- Which hospitals does Brian O. Keyes work at?
- Medicare's official clinician data lists Brian O. Keyes at 2 hospitals: Cedars-Sinai Medical Center and UCI Health-Orange. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Brian O. Keyes see patients?
- Medicare's clinician data lists 5 practice locations, including Orange, CA, Corona, CA and Huntington Beach, CA. Call before your visit to confirm the address.
- What is Brian O. Keyes's specialty?
- Medicare lists Anesthesiology as the primary specialty.
- Does Brian O. Keyes accept Medicare assignment?
- Yes. Medicare's clinician data says Brian O. Keyes 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 Brian O. Keyes?
- (714) 456-7004, as listed in official Medicare / NPI Registry data.
- What is Brian O. Keyes's NPI number?
- 1841332905. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Brian O. Keyes works
Medicare's Facility Affiliation Data lists Brian O. Keyes at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Cedars-Sinai Medical CenterLos Angeles, CA · Acute Care Hospital · CCN 050625
- UCI Health-OrangeOrange, CA · Acute Care Hospital · CCN 050348
Practice locations
Addresses where Brian O. Keyes is enrolled with Medicare (CMS data updated 2026-10-02).
- 101 the City Dr SOrange, CA 92868 (714) 456‑7004
- 2097 Compton Ave, Suite 101Corona, CA 92881 (949) 825‑5189
- 7677 Ctr Ave, Suite 104Huntington Beach, CA 92647 (714) 881‑8700
- 800 S Main StCorona, CA 92882 (951) 737‑4343
- 8700 Beverly BlvdWest Hollywood, CA 90048 (310) 423‑3277
Group practices
Medicare enrollment lists Brian O. Keyes as a member of these groups (CMS data updated 2026-10-02).
- Cedars-Sinai Medical Care Foundation1,692 clinicians in the group
- Regents of the University of239 clinicians in the group
- Corona Anesthesia Group Inc28 clinicians in the group
- Talbert Anesthesia Group Incorporated27 clinicians in the group
Specialties
- Anesthesiologyprimary
Other anesthesiologists in Orange
Clinicians with the same Medicare primary specialty in Orange, CA — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 2002 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1841332905 |
| 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