Doctor profile · Federal record

Dr. James Merchun, MD

Anesthesiology Physician (CMS: Anesthesiology) · Greenwood Village, CO

  • NPI 1104270123
  • Accepts Medicare
  • MIPS 81.0 / 100 · 2023
  • 10 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
8000 E Maplewood Ave Ste 200
Greenwood Village, CO 801114727
(303) 438-3999
Additional location
11600 W 2Nd Pl
Lakewood, CO 802281527
(720) 321-1010
fax (720) 321-1001

Credentials & registration

NPPES · NUCC
NPI registered
April 2016 — 10 yrs on file
Profile last updated
December 4, 2024
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
207L00000X — NUCC code
State license (1)
Colorado #DR.0064397

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1104270123. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
11
Distinct HCPCS
1
Medicare allowed
$482
HCPCS Description Services Patients Avg allowed
36620 Insertion of artery tube for blood sampling or infusion through skin 11 11 $44

In context: peer comparison

Among 46 peers in this city , average services per provider: 19. This provider delivers 0.6× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. James Merchun's medical specialty?
Dr. James Merchun practices Anesthesiology Physician in Greenwood Village, CO.
Where does Dr. James Merchun practice?
Dr. James Merchun practices at 8000 E Maplewood Ave Ste 200, Greenwood Village, CO 801114727. Office phone: 3034383999.
What is Dr. James Merchun's NPI?
Dr. James Merchun's National Provider Identifier (NPI) is 1104270123, issued by NPPES.
Does Dr. James Merchun accept Medicare assignment?
Yes. Dr. James Merchun accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. James Merchun commonly perform?
Top Medicare-reported procedures in 2023: Insertion of artery tube for blood sampling or infusion through skin (HCPCS 36620). Source: CMS Medicare Physician & Other Practitioners file.