Doctor profile · Federal record

Dr. William Mayles, MD

Anesthesiology Physician (CMS: Anesthesiology) · Colorado Springs, CO

  • NPI 1922235803
  • Accepts Medicare
  • MIPS 81.0 / 100 · 2023
  • 17 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2222 N Nevada Ave
Colorado Springs, CO 809076819
(719) 776-5000
Mailing address
8000 E Maplewood Ave, Ste 200
Greenwood Village, CO 801114727

Credentials & registration

NPPES · NUCC
NPI registered
June 2009 — 17 yrs on file
Profile last updated
July 21, 2022
Year of graduation
2009 — 17 yrs since
Specialty taxonomy
207L00000X — NUCC code
State license (1)
Colorado #0049734

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1922235803. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
126
Distinct HCPCS
6
Medicare allowed
$18,200
HCPCS Description Services Patients Avg allowed
00142 Anesthesia for lens surgery 49 49 $107
01402 Anesthesia for procedure for total knee joint replacement 19 19 $182
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 18 18 $114
00670 Anesthesia for extensive surgery on spine 16 16 $321
00914 Anesthesia for removal of prostate including use of an endoscope 12 12 $121
64448 Continuous infusion of anesthetic agent and/or steroid into thigh nerve (femoral nerve) through catheter 12 12 $71

In context: peer comparison

Among 40 peers in this city , average services per provider: 21. This provider delivers 6.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$101
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Avanos Medical 1 $78.46
Merck Sharp & Dohme LLC 1 $22.85

By nature of payment

Food and Beverage
$101

Frequently asked questions

Auto-generated from federal data
What is Dr. William Mayles's medical specialty?
Dr. William Mayles practices Anesthesiology Physician in Colorado Springs, CO.
Where does Dr. William Mayles practice?
Dr. William Mayles practices at 2222 N Nevada Ave, Colorado Springs, CO 809076819. Office phone: 7197765000.
What is Dr. William Mayles's NPI?
Dr. William Mayles's National Provider Identifier (NPI) is 1922235803, issued by NPPES.
Does Dr. William Mayles accept Medicare assignment?
Yes. Dr. William Mayles accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Mayles commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for lens surgery (HCPCS 00142); Anesthesia for procedure for total knee joint replacement (HCPCS 01402); Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (HCPCS 00731). Source: CMS Medicare Physician & Other Practitioners file.