Doctor profile · Federal record

Dr. Stephen Dumontier, D.O.

Emergency Medicine Physician (CMS: Emergency Medicine) · Emergency Medicine Physician · Student in an Organized Health Care Education/Training Program · Las Vegas, NV

  • NPI 1295021905
  • Accepts Medicare
  • MIPS 75.0 / 100 · 2023
  • 15 yrs in practice
  • Licensed in 2 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 4 locations .

NPPES Updated May 11, 2026
Primary practice
1800 W Charleston Blvd
Las Vegas, NV 891022329
(702) 383-1958
Additional location
34800 Bob Wilson Dr, Navy Medical Center San Diego, Graduate Medical
San Diego, CA 92134
(619) 532-5200
Additional location
400 N Pepper Ave
Colton, CA 923241801
(909) 580-1000
Show 1 more location
Additional location
1402 S Grand Blvd
Saint Louis, MO 631041004
(314) 577-8000

Credentials & registration

NPPES · NUCC
NPI registered
June 2011 — 15 yrs on file
Profile last updated
May 22, 2025
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
207P00000X — NUCC code
State licenses (2)
Nevada #DO3224 · California #20A12925

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1295021905. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
290
Distinct HCPCS
4
Medicare allowed
$35,473
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 135 128 $176
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 86 83 $8
99284 Emergency department visit with moderate level of medical decision making 41 39 $121
99291 Critical care, first 30-74 minutes 28 28 $214

In context: peer comparison

Among 104 peers in Las Vegas Emergency Medicine Physician, average services per provider: 548. This provider delivers 0.5× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Stephen Dumontier's medical specialty?
Dr. Stephen Dumontier practices Emergency Medicine Physician in Las Vegas, NV.
Where does Dr. Stephen Dumontier practice?
Dr. Stephen Dumontier practices at 1800 W Charleston Blvd, Las Vegas, NV 891022329. Office phone: 7023831958.
What is Dr. Stephen Dumontier's NPI?
Dr. Stephen Dumontier's National Provider Identifier (NPI) is 1295021905, issued by NPPES.
Does Dr. Stephen Dumontier accept Medicare assignment?
Yes. Dr. Stephen Dumontier accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Stephen Dumontier commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Emergency department visit with moderate level of medical decision making (HCPCS 99284). Source: CMS Medicare Physician & Other Practitioners file.