Doctor profile · Federal record

Dr. Marcus Thies, M.D.

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

  • NPI 1861824328
  • Accepts Medicare
  • MIPS 81.0 / 100 · 2023
  • 13 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
8000 E Maplewood Ave Ste 120
Greenwood Village, CO 801114766
(303) 438-3999
fax (720) 439-9500
Mailing address
Po Box 840862
Dallas, TX 752840862

Credentials & registration

NPPES · NUCC
NPI registered
August 2013 — 13 yrs on file
Profile last updated
June 29, 2023
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
207L00000X — NUCC code
State license (1)
Colorado #DR.0058747

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1861824328. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
122
Distinct HCPCS
7
Medicare allowed
$7,766
HCPCS Description Services Patients Avg allowed
64447 Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) 25 25 $60
00811 Anesthesia for other procedure on large bowel using an endoscope 24 24 $57
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 18 17 $65
76942 Ultrasonic guidance for needle placement 16 16 $30
01402 Anesthesia for procedure for total knee joint replacement 14 14 $169
64999 Other procedure on nervous system 14 12 $26
00812 Anesthesia for exam of colon using an endoscope 11 11 $46

In context: peer comparison

Among 46 peers in this city , average services per provider: 19. This provider delivers 6.4× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Marcus Thies's medical specialty?
Dr. Marcus Thies practices Anesthesiology Physician in Greenwood Village, CO.
Where does Dr. Marcus Thies practice?
Dr. Marcus Thies practices at 8000 E Maplewood Ave Ste 120, Greenwood Village, CO 801114766. Office phone: 3034383999.
What is Dr. Marcus Thies's NPI?
Dr. Marcus Thies's National Provider Identifier (NPI) is 1861824328, issued by NPPES.
Does Dr. Marcus Thies accept Medicare assignment?
Yes. Dr. Marcus Thies accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marcus Thies commonly perform?
Top Medicare-reported procedures in 2023: Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) (HCPCS 64447); 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.