Doctor profile · Federal record

Dr. Ian Holmen, MD

Anesthesiology Physician (CMS: Anesthesiology) · Student in an Organized Health Care Education/Training Program · Aurora, CO

  • NPI 1235690991
  • Accepts Medicare
  • 8 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
13001 E 17Th Pl
Aurora, CO 800452570
(303) 724-1792

Credentials & registration

NPPES · NUCC
NPI registered
March 2019 — 7 yrs on file
Profile last updated
May 31, 2023
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
207L00000X — NUCC code
State license (1)
Montana #121854

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1235690991. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
43
Distinct HCPCS
3
Medicare allowed
$5,621
HCPCS Description Services Patients Avg allowed
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 16 15 $146
00811 Anesthesia for other procedure on large bowel using an endoscope 14 14 $133
00812 Anesthesia for exam of colon using an endoscope 13 13 $109

In context: peer comparison

Among 55 peers in Aurora Anesthesiology Physician, average services per provider: 28. This provider delivers 1.5× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Ian Holmen's medical specialty?
Dr. Ian Holmen practices Anesthesiology Physician in Aurora, CO.
Where does Dr. Ian Holmen practice?
Dr. Ian Holmen practices at 13001 E 17Th Pl, Aurora, CO 800452570. Office phone: 3037241792.
What is Dr. Ian Holmen's NPI?
Dr. Ian Holmen's National Provider Identifier (NPI) is 1235690991, issued by NPPES.
Does Dr. Ian Holmen accept Medicare assignment?
Yes. Dr. Ian Holmen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ian Holmen commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (HCPCS 00731); 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.