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

William Michael Warren, CRNA

Individual provider Registered Nurse · NPI 1306141825

William Michael Warren, CRNA is a Certified Registered Nurse Anesthetist (CRNA) in Hot Springs, Arkansas. Qualified in 2010, 16 years ago. Practices with Ouachita Regional Anesthesia PLLC, a 17-clinician group and accepts Medicare assignment. Licensed in Arkansas.

Years since qualifying
16
Licensed in
AR
In the registry since
2011
Specialties on file
2
What do these letters mean?
CRNA — Certified Registered Nurse Anesthetist
An advanced practice nurse who administers anaesthesia.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

1910 Malvern Ave
Hot Springs, AR 71901-7752
Phone: (501) 321-1000
Fax: (501) 620-2336
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Certified Registered Nurse Anesthetist (primary) Taxonomy 367500000X · Licence C02847 (AR)
Registered Nurse Taxonomy 163W00000X · Licence R64365 (AR)

Record details

NPI number1306141825
Entity typeIndividual (Type 1)
GenderMale
Credentials CRNA
Sole proprietorNo
NPI enumeratedJanuary 13, 2011
Last updated in NPPESFebruary 25, 2011

Medicare enrollment

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

Medicare specialtyCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA)
Medical schoolOTHER
Graduated 2010 (16 years in practice)
Group practice Ouachita Regional Anesthesia Pllc — 17 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations5 on file with Medicare

Other providers in Hot Springs