Doctor profile · Federal record

Dr. William Warren, CRNA

Certified Registered Nurse Anesthetist (CMS: Certified Registered Nurse Anesthetist (CRNA)) · Registered Nurse · Hot Springs, AR

  • NPI 1306141825
  • Accepts Medicare
  • MIPS 94.8 / 100 · 2023
  • 16 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1910 Malvern Ave
Hot Springs, AR 719017752
(501) 321-1000
fax (501) 620-2336
Mailing address
Po Box 22390
Hot Springs, AR 719032390

Credentials & registration

NPPES · NUCC
NPI registered
January 2011 — 15 yrs on file
Profile last updated
February 25, 2011
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
367500000X — NUCC code
State licenses (2)
Arkansas #C02847 · Arkansas #R64365

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1306141825. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
114
Distinct HCPCS
6
Medicare allowed
$15,452
HCPCS Description Services Patients Avg allowed
01400 Anesthesia for other procedure or exam of knee joint using an endoscope 33 33 $145
01480 Anesthesia for other procedure on lower leg, ankle, and foot bones 31 30 $130
01942 Anesthesia for nerve modulation procedure spinal cord or repair of bone of spine of lower back accessed through skin using imaging guidance 15 15 $162
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 12 12 $122
01940 Anesthesia for nerve destruction procedures on spine or spinal cord of lower back accessed through skin using imaging guidance 12 11 $111
00532 Anesthesia for access to central vein 11 11 $129

In context: peer comparison

Among 17 peers in Hot Springs Certified Registered Nurse Anesthetist, average services per provider: 33. This provider delivers 3.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$28
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Regeneron Healthcare Solutions, INC. 1 $27.79

By nature of payment

Food and Beverage
$28

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. William Warren's medical specialty?
Dr. William Warren practices Certified Registered Nurse Anesthetist in Hot Springs, AR.
Where does Dr. William Warren practice?
Dr. William Warren practices at 1910 Malvern Ave, Hot Springs, AR 719017752. Office phone: 5013211000.
What is Dr. William Warren's NPI?
Dr. William Warren's National Provider Identifier (NPI) is 1306141825, issued by NPPES.
Does Dr. William Warren accept Medicare assignment?
Yes. Dr. William Warren accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Warren commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for other procedure or exam of knee joint using an endoscope (HCPCS 01400); Anesthesia for other procedure on lower leg, ankle, and foot bones (HCPCS 01480); Anesthesia for nerve modulation procedure spinal cord or repair of bone of spine of lower back accessed through skin using imaging guidance (HCPCS 01942). Source: CMS Medicare Physician & Other Practitioners file.