Doctor profile · Federal record

Dr. James Birgenheier, M.D.

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

  • NPI 1144232026
  • Accepts Medicare
  • MIPS 81.0 / 100 · 2023
  • 35 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
8000 E Maplewood Ave Ste 200
Greenwood Village, CO 801114727
(303) 438-3999
fax (720) 439-9500
Mailing address
Po Box 840862
Dallas, TX 752840862

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
August 6, 2021
Year of graduation
1991 — 35 yrs since
Specialty taxonomy
207L00000X — NUCC code
State licenses (2)
Colorado #DR.0035143 · New Mexico #MD2004-0111
Medicaid
NM #23170875

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1144232026. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
202
Distinct HCPCS
8
Medicare allowed
$19,423
HCPCS Description Services Patients Avg allowed
00142 Anesthesia for lens surgery 76 76 $85
00811 Anesthesia for other procedure on large bowel using an endoscope 38 38 $71
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 21 21 $72
01402 Anesthesia for procedure for total knee joint replacement 16 16 $201
01810 Anesthesia for procedure on nerves, muscles, tendons, and tissue of forearm, wrist, and hand 16 16 $102
00840 Anesthesia for other procedure on lower abdomen 12 12 $179
64448 Continuous infusion of anesthetic agent and/or steroid into thigh nerve (femoral nerve) through catheter 12 12 $71
00145 Anesthesia for retinal surgery 11 11 $86

In context: peer comparison

Among 46 peers in Greenwood Village Anesthesiology Physician, average services per provider: 19. This provider delivers 11× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. James Birgenheier's medical specialty?
Dr. James Birgenheier practices Anesthesiology Physician in Greenwood Village, CO.
Where does Dr. James Birgenheier practice?
Dr. James Birgenheier practices at 8000 E Maplewood Ave Ste 200, Greenwood Village, CO 801114727. Office phone: 3034383999.
What is Dr. James Birgenheier's NPI?
Dr. James Birgenheier's National Provider Identifier (NPI) is 1144232026, issued by NPPES.
Does Dr. James Birgenheier accept Medicare assignment?
Yes. Dr. James Birgenheier accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. James Birgenheier 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 other procedure on esophagus, stomach, or upper small bowel using an endoscope (HCPCS 00731). Source: CMS Medicare Physician & Other Practitioners file.