Doctor profile · Federal record

Dr. Justin Westphalen, MD

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

  • NPI 1891037271
  • Accepts Medicare
  • 13 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1375 E 19Th Ave
Denver, CO 802181114
(303) 338-4545
Mailing address
10350 E Dakota Ave
Denver, CO 802471314

Credentials & registration

NPPES · NUCC
NPI registered
March 2013 — 13 yrs on file
Profile last updated
July 21, 2022
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
Colorado #DR.0058299

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1891037271. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
45
Distinct HCPCS
2
Medicare allowed
$6,483
HCPCS Description Services Patients Avg allowed
99284 Emergency department visit with moderate level of medical decision making 23 22 $117
99285 Emergency department visit with high level of medical decision making 22 22 $173

In context: peer comparison

Among 91 peers in Denver Emergency Medicine Physician, average services per provider: 59. This provider delivers 0.8× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
299
Patients
284
Total drug cost
$2,959
Drug Type Claims Patients Total cost
Cefuroxime (Cefuroxime Axetil) Brand 59 58 $850
Doxycycline Monohydrate Generic 43 43 $417
Prednisone Generic 43 43 $271
Ondansetron Odt (Ondansetron) Brand 39 39 $303
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 31 31 $396
Azithromycin Generic 18 18 $124
Oxycodone Hcl Generic 15 15 $87
Meloxicam Generic 14 0 $89
Tizanidine Hcl Generic 13 13 $112
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 12 12 $230

Frequently asked questions

Auto-generated from federal data
What is Dr. Justin Westphalen's medical specialty?
Dr. Justin Westphalen practices Emergency Medicine Physician in Denver, CO.
Where does Dr. Justin Westphalen practice?
Dr. Justin Westphalen practices at 1375 E 19Th Ave, Denver, CO 802181114. Office phone: 3033384545.
What is Dr. Justin Westphalen's NPI?
Dr. Justin Westphalen's National Provider Identifier (NPI) is 1891037271, issued by NPPES.
Does Dr. Justin Westphalen accept Medicare assignment?
Yes. Dr. Justin Westphalen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Justin Westphalen commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with moderate level of medical decision making (HCPCS 99284); Emergency department visit with high level of medical decision making (HCPCS 99285). Source: CMS Medicare Physician & Other Practitioners file.