DR. STEPHEN DUMONTIER D.O.
NPI 1295021905
Emergency Medicine in Las Vegas, NV

Q: What is Stephen Dumontier's NPI number?

The NPI number for Stephen Dumontier is 1295021905. It was assigned to this individual provider in the NPPES registry on June 21, 2011.

Q: What is Stephen Dumontier's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Q: When was this NPI record last updated?

The NPPES record for Stephen Dumontier was last updated on May 22, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since June 21, 2011PECOS EnrolledAccepts Medicare Assignment

84.95/100

CMS Quality Rating

1800 W CHARLESTON BLVD, LAS VEGAS, NV 89102(702) 383-1958 Get Directions Write a Review

NPPES record last updated: May 22, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: May 22, 2025, Jul 26, 2024, Jul 21, 2022 and 3 more (6 updates tracked since 2017).

On this page

About Dr. Stephen Dumontier D.o. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. STEPHEN DUMONTIER D.O. (NPI 1295021905) is an individual emergency medicine provider in Las Vegas, Nevada, licensed in Nevada (DO3224) and active in the NPI registry since June 2011. He is enrolled in Medicare PECOS, is affiliated with Saint Rose Dominican Hospitals - Siena Campus, and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1295021905

Entity TypeIndividualMale

Primary Taxonomy207P00000X

Provider Legal NameDR. STEPHEN DUMONTIERCredential: D.O.

Location Address1800 W CHARLESTON BLVDLas Vegas, NV 89102-2329

Mailing Address1800 W Charleston BlvdLas Vegas, NV 89102-2386 · (702) 383-2000

Phone(702) 383-1958

Sole ProprietorYes

Medical School CMSOtherGraduated 2011

Enumeration DateJune 21, 2011

Last NPPES UpdateMay 22, 20256 updates tracked since enumeration

NPPES CertifiedMay 22, 2025

✔ NPI 1295021905 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207P00000X

Licenses✔ Licensed in NV · DO3224✔ Licensed in CA · 20A12925

Definition

An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

1800 W CHARLESTON BLVD, Las Vegas, NV 89102

Open in Google Maps ↗

Secondary Practice Locations 3

Location 134800 Bob Wilson Dr, Navy Medical Center San Diego, Graduate MedicalSan Diego, CA 92134 · Phone (619) 532-5200

Location 21402 S Grand BlvdSaint Louis, MO 63104-1004 · Phone (314) 577-8000

Location 3400 N Pepper AveColton, CA 92324-1801 · Phone (909) 580-1000

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross Blue Shield of Arizona.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Stephen Dumontier D.o. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6204059728

PECOS Enrollment IDI20221025000383, I20240604003147

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Emergency department visit with high level of medical decision making 99285

An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.

246 services243 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010

A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.

179 services169 patients

Emergency department visit with moderate level of medical decision making 99284

An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.

81 services78 patients

Critical care, first 30-74 minutes 99291

Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.

43 services42 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Saint Rose Dominican Hospitals - Siena Campus

Acute Care Hospitals · Henderson, NV

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number290045

Location3001 St Rose ParkwayHenderson, NV 89052 · Clark County

Emergency services Birthing friendly

Saint Rose Dominican Hospitals - San Martin Campus

Acute Care Hospitals · Las Vegas, NV

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number290053

Location8280 W Warm Springs RoadLas Vegas, NV 89113 · Clark County

Emergency services Birthing friendly

Saint Rose Dominican Hospitals - North Las Vegas

Acute Care Hospitals · North Las Vegas, NV

OwnershipProprietary

CMS Certification Number290058

Location1550 W Craig RanchNorth Las Vegas, NV 89031 · Clark County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 89102 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$88.51 typical visit price

range $57.07 – $173.24

Typical copayment $22.12 (range $14.26 – $43.31)

Most-billed visit code 99203

Established Patient

$100.60 typical visit price

range $18.27 – $140.96

Typical copayment $25.15 (range $4.56 – $35.24)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

84.95/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

70.53

Improvement Activities

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MICHAEL M LEE MD

Internal Medicine