Doctor profile · Federal record

Dr. Jonyean Pei, D.O.

Emergency Medicine Physician (CMS: Emergency Medicine) · Emergency Medicine Physician · Denver, CO

  • NPI 1285804633
  • Accepts Medicare
  • 21 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1375 E 19Th Ave
Denver, CO 802181114
(303) 338-4545
Additional location
1835 Franklin St
Denver, CO 802181126
Mailing address
10350 E Dakota Ave
Denver, CO 802471314

Credentials & registration

NPPES · NUCC
NPI registered
March 2008 — 18 yrs on file
Profile last updated
May 13, 2021
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
207P00000X — NUCC code
State licenses (2)
Colorado #49722 · New Jersey #25MB08343400
Medicaid
CO #11604379

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1285804633. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
69
Distinct HCPCS
3
Medicare allowed
$8,658
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 28 28 $173
99283 Emergency department visit with low level of medical decision making 22 22 $71
99284 Emergency department visit with moderate level of medical decision making 19 19 $119

In context: peer comparison

Among 91 peers in this city , average services per provider: 59. This provider delivers 1.2× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
35
Patients
34
Total drug cost
$352
Drug Type Claims Patients Total cost
Cefuroxime (Cefuroxime Axetil) Brand 12 11 $151
Prednisone Generic 12 12 $38
Doxycycline Monohydrate Generic 11 11 $162

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Jonyean Pei's medical specialty?
Dr. Jonyean Pei practices Emergency Medicine Physician in Denver, CO.
Where does Dr. Jonyean Pei practice?
Dr. Jonyean Pei practices at 1375 E 19Th Ave, Denver, CO 802181114. Office phone: 3033384545.
What is Dr. Jonyean Pei's NPI?
Dr. Jonyean Pei's National Provider Identifier (NPI) is 1285804633, issued by NPPES.
Does Dr. Jonyean Pei accept Medicare assignment?
Yes. Dr. Jonyean Pei accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jonyean Pei commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with low level of medical decision making (HCPCS 99283); Emergency department visit with moderate level of medical decision making (HCPCS 99284). Source: CMS Medicare Physician & Other Practitioners file.