Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Bill M Matheis, CRNA

Individual provider Certified Registered Nurse Anesthetist · NPI 1184652653

Bill M Matheis, CRNA is a Certified Registered Nurse Anesthetist (CRNA) in Riverside, California. Qualified in 2003, 23 years ago. Practices with Anesthesia Specialists of Orange County Inc, a 16-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
23
Licensed in
CA
In the registry since
2006
What do these letters mean?
CRNA — Certified Registered Nurse Anesthetist
An advanced practice nurse who administers anaesthesia.

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Practice location Address checks out

12516 Locke Cir
Riverside, CA 92503-5914
Phone: (951) 295-5707
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Certified Registered Nurse Anesthetist (primary) Taxonomy 367500000X · Licence NA 3057 (CA)

Record details

NPI number1184652653
Entity typeIndividual (Type 1)
GenderMale
Credentials CRNA
Sole proprietorNo
NPI enumeratedJune 30, 2006
Last updated in NPPESJuly 1, 2026
Certification dateJuly 1, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA)
Medical schoolOTHER
Graduated 2003 (23 years in practice)
Group practice Anesthesia Specialists Of Orange County Inc — 16 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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