Quick answers
- Which hospitals does Bill M. Matheis work at?
- Medicare's official clinician data lists Bill M. Matheis at 1 hospital: AHMC Anaheim Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Bill M. Matheis see patients?
- Medicare's clinician data lists 3 practice locations, including Anaheim, CA, Pomona, CA and Riverside, CA. Call before your visit to confirm the address.
- What is Bill M. Matheis's specialty?
- Medicare lists Certified Registered Nurse Anesthetist (CRNA) as the primary specialty.
- Does Bill M. Matheis accept Medicare assignment?
- Yes. Medicare's clinician data says Bill M. Matheis 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 Bill M. Matheis?
- (714) 774-1450, as listed in official Medicare / NPI Registry data.
- What is Bill M. Matheis's NPI number?
- 1184652653. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Bill M. Matheis works
Medicare's Facility Affiliation Data lists Bill M. Matheis at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- AHMC Anaheim Regional Medical CenterAnaheim, CA · Acute Care Hospital · CCN 050226
Practice locations
Addresses where Bill M. Matheis is enrolled with Medicare (CMS data updated 2026-10-02).
- 1111 W La Palma AveAnaheim, CA 92801 (714) 774‑1450
- 1798 N Garey AvePomona, CA 91767 (909) 865‑9500
- 8945 Magnolia Ave, Suite 200Riverside, CA 92503 (951) 643‑4961
Group practices
Medicare enrollment lists Bill M. Matheis as a member of these groups (CMS data updated 2026-10-02).
- Allied Anesthesia Medical Group Inc191 clinicians in the group
- Anesthesia Specialists of Orange County Inc16 clinicians in the group
- Aspen Anesthesia Services Pain Experts and Nursing Networks Inc9 clinicians in the group
Specialties
Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), California →
Other nurse anesthetists in Anaheim
Clinicians with the same Medicare primary specialty in Anaheim, CA — not a recommendation.
Clinician information
| Credential | CNA |
|---|---|
| Graduation year | 2003 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1184652653 |
| 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