Individual provider Active NPI

Martin Gordon Larsen, DO

  • Emergency Medicine Physician
  • St George, UT
National Provider Identifier
1043897259
Registry record updated Aug 25, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
13509554-1204 Issued in UT
Practice address
1380 E Medical Center Dr
St George, UT 84790-2123
Phone
(435) 251-1000
NPI assigned
Mar 24, 2021
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 25, 2025

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Emergency Medicine Physician 207P00000X 13509554-1204 UT Primary
Emergency Medicine Physician 207P00000X DO3491 NV

Addresses

Primary practice location

1380 E Medical Center Dr
St George, UT 84790-2123

Mailing address

1380 E Medical Center Dr
St George, UT 84790-2123

Other practice location 1

3100 N Tenaya Way
Las Vegas, NV 89128-0436
Phone (702) 926-9546

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in UT, NV2 enrollments
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20231109000433 UT Practitioner - Emergency Medicine 0941603823 Reassigns benefits to 4 organizations
I20231122003116 NV Practitioner - Emergency Medicine 0941603823 Reassigns benefits to 4 organizations

Care Compare profile

Medicare Care Compare
Specialty
Emergency Medicine
Education
Other, 2021
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Ihc Health Services IncGroup PAC ID 1850209420, 3,948 clinicians
Kane County Human Resource Special Service DistrictGroup PAC ID 5092603316, shared by 8 NPIs, 36 clinicians

Practice addresses (Care Compare)

1303 N Main St
Cedar City, UT 84721-9746

1380 E Medical Ctr Dr
St George, UT 84790-2123
Phone (435) 251-1000

355 N Main St
Kanab, UT 84741-3260
Phone (435) 644-4115

Hospital & facility affiliations

  • Intermountain Health Cedar City Hospital Hospital, Cedar City, UT, CCN 460007
  • Kane County Hospital Hospital, Kanab, UT, CCN 461309
  • St. George Regional Hospital Hospital, St George, UT, CCN 460021
  • William Bee Ririe Hospital Hospital, Ely, NV, CCN 291302

Merit-based Incentive Payment System (MIPS)

Final score
37.4 of 100Reported as group
Quality
27.48
Improvement activities
0
Cost
71.43

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Osteopathy

State licenses

LicenseStateTypeSpecialty
DO3491NVMDEmergency Medicine Physician
13509554-1204UTMDEmergency Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Crum,Stefanko and Jones LTD Emergency Medicine CurrentSince Sep 1, 2024 Accepting new patients
Kane County Human Resource Special Service District CurrentSince Mar 11, 2025 Accepting new patients
Fremont Emergency Services Scherr LTD Emergency Medicine CurrentSince Mar 1, 2025 Accepting new patients
Omuc LLC CurrentSince Oct 23, 2023 Accepting new patients
William Bee Ririe Hospital CurrentSince Nov 2, 2023 Accepting new patients
Kane County Human Resource Special Service District Current Accepting new patients
West Emergency Services, LLC Emergency Medicine CurrentSince Nov 1, 2023 Accepting new patients
Fremont Emergency Services Scherr LTD Emergency Medicine Current Accepting new patients
William Bee Ririe Retail Pharmacy CurrentSince Nov 2, 2023 Accepting new patients
Ihc Health Services, Inc. CurrentSince Feb 15, 2025 Accepting new patients
Kane County Human Resource Special Service District CurrentSince Mar 11, 2025 Accepting new patients
Ihc Health Services Inc Emergency Medicine CurrentSince Feb 15, 2025 Accepting new patients
Fremont Emergency Services Scherr LTD Emergency Medicine CurrentSince Mar 1, 2025 Accepting new patients
Ihc Health Services Inc Current Accepting new patients
Kane County Human Resource Special Service District Current Accepting new patients
William Bee Ririe Hospital CurrentSince Dec 3, 2025 Accepting new patients

Locations

2001 Errecart Blvd
Elko, NV 89801
Phone (775) 738-5151

1500 Avenue H
Ely, NV 89301
Phone (775) 289-3001

9075 Blue Diamond Rd
Las Vegas, NV 89178
Phone (702) 916-5000

3325 S Fort Apache Rd
Las Vegas, NV 89117
Phone (702) 962-0500

3100 N Tenaya Way
Las Vegas, NV 89128
Phone (702) 225-5025

5010 S Decatur Blvd
Ste H
Las Vegas, NV 89118

9300 W Sunset Rd
Las Vegas, NV 89148
Phone (702) 880-2100

10770 Las Vegas Blvd S
Las Vegas, NV 89183
Phone (702) 916-9002

3186 S Maryland Pkwy
Las Vegas, NV 89109
Phone (702) 731-8000

7207 Aliante Pkwy
North Las Vegas, NV 89084
Phone (702) 962-5100

7207 Aliante Pkwy
Ste N
North Las Vegas, NV 89084

1501 E Calvada Blvd
Pahrump, NV 89048
Phone (775) 477-2273

355 N Main St
Kanab, UT 84741
Phone (435) 644-4100

300 N Hospital Dr
Price, UT 84501
Phone (435) 636-4836

1380 E Medical Center Dr
#P
St George, UT 84790
Phone (435) 251-2355

1380 E Medical Center Dr
St George, UT 84790
Phone (435) 251-2992

Organizations & group practices 16

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

View all 16

Hospital & facility affiliations 5

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1616544000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1756080000000",
    "number": "1043897259",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1380 E MEDICAL CENTER DR",
            "city": "ST GEORGE",
            "state": "UT",
            "postal_code": "847902123"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1380 E MEDICAL CENTER DR",
            "city": "ST GEORGE",
            "state": "UT",
            "postal_code": "847902123",
            "telephone_number": "435-251-1000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3100 N Tenaya Way",
            "address_purpose": "LOCATION",
            "city": "Las Vegas",
            "state": "NV",
            "postal_code": "891280436",
            "country_code": "US",
            "telephone_number": "702-926-9546",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "LARSEN",
        "first_name": "MARTIN",
        "middle_name": "GORDON",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2021-03-24",
        "last_updated": "2025-08-25",
        "certification_date": "2025-08-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "UT",
            "license": "13509554-1204",
            "primary": true
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "NV",
            "license": "DO3491",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in St George, UT

Sources for this page

Verify at the official NPI Registry.