Doctor profile · Federal record

Dr. Allison Long, MD

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

  • NPI 1639225238
  • Accepts Medicare
  • MIPS 92.5 / 100 · 2023
  • 21 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
University of Colorado School of Medicine, 4200 E. 9Th Ave.
Denver, CO 802620001
(303) 493-7000

Credentials & registration

NPPES · NUCC
NPI registered
January 2007 — 19 yrs on file
Profile last updated
April 20, 2011
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
207L00000X — NUCC code
State licenses (2)
Colorado #48022 · Colorado #TL-2106
Medicaid
CO #21032050

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1639225238. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
166
Distinct HCPCS
6
Medicare allowed
$18,332
HCPCS Description Services Patients Avg allowed
00811 Anesthesia for other procedure on large bowel using an endoscope 62 62 $115
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 26 26 $135
00813 Anesthesia for procedure on small and large bowel using an endoscope 23 23 $144
64415 Injection of anesthetic agent and/or steroid into arm nerve bundle (brachial plexus) 21 20 $70
00812 Anesthesia for exam of colon using an endoscope 20 20 $92
64448 Continuous infusion of anesthetic agent and/or steroid into thigh nerve (femoral nerve) through catheter 14 14 $77

In context: peer comparison

Among 33 peers in Denver Anesthesiology Physician, average services per provider: 20. This provider delivers 8.3× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Allison Long's medical specialty?
Dr. Allison Long practices Anesthesiology Physician in Denver, CO.
Where does Dr. Allison Long practice?
Dr. Allison Long practices at University of Colorado School of Medicine, Denver, CO 802620001. Office phone: 3034937000.
What is Dr. Allison Long's NPI?
Dr. Allison Long's National Provider Identifier (NPI) is 1639225238, issued by NPPES.
Does Dr. Allison Long accept Medicare assignment?
Yes. Dr. Allison Long accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Allison Long commonly perform?
Top Medicare-reported procedures in 2023: 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); Anesthesia for procedure on small and large bowel using an endoscope (HCPCS 00813). Source: CMS Medicare Physician & Other Practitioners file.