Doctor profile · Federal record

Dr. Tanner Gregory, MD

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

  • NPI 1427589985
  • Accepts Medicare
  • MIPS 81.0 / 100 · 2023
  • 9 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
fax (720) 439-9500
Additional location
3181 Sw Sam Jackson Park RD
Portland, OR 972393011
(503) 494-8211
Mailing address
Po Box 840862
Dallas, TX 752840862

Credentials & registration

NPPES · NUCC
NPI registered
March 2017 — 9 yrs on file
Profile last updated
June 27, 2022
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
207L00000X — NUCC code
State license (1)
Colorado #DR.0067623

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1427589985. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
202
Distinct HCPCS
10
Medicare allowed
$25,984
HCPCS Description Services Patients Avg allowed
76937 Ultrasonic guidance for blood vessel access 38 27 $14
36620 Insertion of artery tube for blood sampling or infusion through skin 28 27 $44
00670 Anesthesia for extensive surgery on spine 16 16 $309
00790 Anesthesia for other procedure on upper abdomen 16 16 $183
01402 Anesthesia for procedure for total knee joint replacement 16 16 $163
01922 Anesthesia for x-ray or radiation therapy 15 15 $156
00560 Anesthesia for procedure on heart and large blood vessels 14 14 $501
01480 Anesthesia for other procedure on lower leg, ankle, and foot bones 13 13 $153
93312 Ultrasound of heart with probe in esophagus, with report 12 12 $105
93320 Ultrasound of heart blood flow, valves and chambers 12 12 $18

In context: peer comparison

Among 46 peers in this city , average services per provider: 19. This provider delivers 11× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Tanner Gregory's medical specialty?
Dr. Tanner Gregory practices Anesthesiology Physician in Greenwood Village, CO.
Where does Dr. Tanner Gregory practice?
Dr. Tanner Gregory practices at 8000 E Maplewood Ave Ste 200, Greenwood Village, CO 801114727. Office phone: 3034383999.
What is Dr. Tanner Gregory's NPI?
Dr. Tanner Gregory's National Provider Identifier (NPI) is 1427589985, issued by NPPES.
Does Dr. Tanner Gregory accept Medicare assignment?
Yes. Dr. Tanner Gregory accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Tanner Gregory commonly perform?
Top Medicare-reported procedures in 2023: Ultrasonic guidance for blood vessel access (HCPCS 76937); Insertion of artery tube for blood sampling or infusion through skin (HCPCS 36620); Anesthesia for extensive surgery on spine (HCPCS 00670). Source: CMS Medicare Physician & Other Practitioners file.