Doctor profile · Federal record

Dr. Cynthia Williams, MD, PHARMD

Anesthesiology Physician (CMS: Anesthesiology) · Pharmacist · Critical Care Medicine (Internal Medicine) Physician · Greenwood Village, CO

  • NPI 1386079234
  • Accepts Medicare
  • MIPS 81.0 / 100 · 2023
  • 9 yrs in practice
  • Licensed in 3 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 4 locations .

NPPES Updated May 11, 2026
Primary practice
8000 E Maplewood Ave Ste 200
Greenwood Village, CO 801114727
(303) 438-3999
fax (720) 439-9500
Additional location
1010 Three Springs Blvd
Durango, CO 813018296
(970) 761-3200
fax (970) 764-3209
Additional location
13001 E 17Th Pl
Aurora, CO 800452570
(303) 724-1758
Show 1 more location
Additional location
801 W Maple St
Farmington, NM 874015630
(505) 609-2000
Mailing address
Po Box 840862
Dallas, TX 752840862

Credentials & registration

NPPES · NUCC
NPI registered
September 2013 — 13 yrs on file
Profile last updated
November 6, 2024
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
207L00000X — NUCC code
State licenses (3)
Colorado #DR.0067502 · Ohio #03232733-2 · New Mexico #MD2023-0439

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1386079234. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
223
Distinct HCPCS
8
Medicare allowed
$22,304
HCPCS Description Services Patients Avg allowed
00142 Anesthesia for lens surgery 113 112 $70
00811 Anesthesia for other procedure on large bowel using an endoscope 23 23 $80
00812 Anesthesia for exam of colon using an endoscope 18 18 $64
01402 Anesthesia for procedure for total knee joint replacement 17 17 $232
00670 Anesthesia for extensive surgery on spine 14 14 $307
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 14 14 $75
64448 Continuous infusion of anesthetic agent and/or steroid into thigh nerve (femoral nerve) through catheter 13 13 $71
00145 Anesthesia for retinal surgery 11 11 $112

In context: peer comparison

Among 46 peers in this city , average services per provider: 19. This provider delivers 12× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Cynthia Williams's medical specialty?
Dr. Cynthia Williams practices Anesthesiology Physician in Greenwood Village, CO.
Where does Dr. Cynthia Williams practice?
Dr. Cynthia Williams practices at 8000 E Maplewood Ave Ste 200, Greenwood Village, CO 801114727. Office phone: 3034383999.
What is Dr. Cynthia Williams's NPI?
Dr. Cynthia Williams's National Provider Identifier (NPI) is 1386079234, issued by NPPES.
Does Dr. Cynthia Williams accept Medicare assignment?
Yes. Dr. Cynthia Williams accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Cynthia Williams commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for lens surgery (HCPCS 00142); Anesthesia for other procedure on large bowel using an endoscope (HCPCS 00811); Anesthesia for exam of colon using an endoscope (HCPCS 00812). Source: CMS Medicare Physician & Other Practitioners file.