Doctor profile · Federal record

Dr. Mark Elliott, MD

Emergency Medicine Physician · Denver, CO

  • NPI 1346256658
  • 20 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2525 S Downing St, Porter Adventist Hospital
Denver, CO 802105817
(303) 778-5666
fax (303) 778-5787
Mailing address
1241 W Mineral Ave, Suite 100
Littleton, CO 801205685

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
March 12, 2009
Specialty taxonomy
207P00000X — NUCC code
State license (1)
Colorado #27771
Medicaid
CO #01277714

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1346256658. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
310
Distinct HCPCS
7
Medicare allowed
$41,607
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 83 82 $173
99284 Emergency department visit with moderate level of medical decision making 63 63 $121
99291 Critical care, first 30-74 minutes 45 45 $213
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 41 36 $8
99214 Established patient office or other outpatient visit, 30-39 minutes 40 40 $127
99213 Established patient office or other outpatient visit, 20-29 minutes 23 23 $91
99204 New patient office or other outpatient visit, 45-59 minutes 15 15 $170

In context: peer comparison

Among 91 peers in Denver Emergency Medicine Physician, average services per provider: 59. This provider delivers 5.3× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
111
Patients
111
Total drug cost
$785
Drug Type Claims Patients Total cost
Ondansetron Odt (Ondansetron) Brand 31 31 $144
Cephalexin Generic 29 29 $251
Prednisone Generic 19 19 $36
Azithromycin Generic 18 18 $95
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 14 14 $258

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Elliott's medical specialty?
Dr. Mark Elliott practices Emergency Medicine Physician in Denver, CO.
Where does Dr. Mark Elliott practice?
Dr. Mark Elliott practices at 2525 S Downing St, Denver, CO 802105817. Office phone: 3037785666.
What is Dr. Mark Elliott's NPI?
Dr. Mark Elliott's National Provider Identifier (NPI) is 1346256658, issued by NPPES.
What procedures does Dr. Mark Elliott 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.