Doctor profile · Federal record

Dr. Alison Guest, M.D.

Emergency Medicine Physician · Englewood, CO

  • NPI 1538219340
  • 19 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
501 E Hampden Ave
Englewood, CO 801132702
(303) 788-5000

Credentials & registration

NPPES · NUCC
NPI registered
January 2007 — 19 yrs on file
Profile last updated
June 24, 2008
Specialty taxonomy
207P00000X — NUCC code
State license (1)
Florida #TRN9219

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1538219340. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
306
Distinct HCPCS
4
Medicare allowed
$46,609
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 177 173 $171
99284 Emergency department visit with moderate level of medical decision making 75 74 $118
99291 Critical care, first 30-74 minutes 35 35 $208
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 19 17 $8

In context: peer comparison

Among 15 peers in Englewood Emergency Medicine Physician, average services per provider: 77. This provider delivers 4.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
11
Patients
11
Total drug cost
$136
Drug Type Claims Patients Total cost
Ondansetron Odt (Ondansetron) Brand 11 11 $136

Frequently asked questions

Auto-generated from federal data
What is Dr. Alison Guest's medical specialty?
Dr. Alison Guest practices Emergency Medicine Physician in Englewood, CO.
Where does Dr. Alison Guest practice?
Dr. Alison Guest practices at 501 E Hampden Ave, Englewood, CO 801132702. Office phone: 3037885000.
What is Dr. Alison Guest's NPI?
Dr. Alison Guest's National Provider Identifier (NPI) is 1538219340, issued by NPPES.
What procedures does Dr. Alison Guest commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.