Active NPI
Martin Gordon Larsen, DO
- Emergency Medicine Physician
- St George, UT
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Emergency Medicine Physician
- License
- 13509554-1204
- 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
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| 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, NV
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 2
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
- Kane County Human Resource Special Service District
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
- Kane County Hospital
- St. George Regional Hospital
- William Bee Ririe Hospital
Merit-based Incentive Payment System (MIPS)
- Final score
- 37.4 of 100
- 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
| License | State | Type | Specialty |
|---|---|---|---|
| DO3491 | NV | MD | Emergency Medicine Physician |
| 13509554-1204 | UT | MD | Emergency Medicine Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Crum,Stefanko and Jones LTD | Emergency Medicine | Current | Accepting new patients |
| Kane County Human Resource Special Service District | Current | Accepting new patients | |
| Fremont Emergency Services Scherr LTD | Emergency Medicine | Current | Accepting new patients |
| Omuc LLC | Current | Accepting new patients | |
| William Bee Ririe Hospital | Current | Accepting new patients | |
| Kane County Human Resource Special Service District | Current | Accepting new patients | |
| West Emergency Services, LLC | Emergency Medicine | Current | Accepting new patients |
| Fremont Emergency Services Scherr LTD | Emergency Medicine | Current | Accepting new patients |
| William Bee Ririe Retail Pharmacy | Current | Accepting new patients | |
| Ihc Health Services, Inc. | Current | Accepting new patients | |
| Kane County Human Resource Special Service District | Current | Accepting new patients | |
| Ihc Health Services Inc | Emergency Medicine | Current | Accepting new patients |
| Fremont Emergency Services Scherr LTD | Emergency Medicine | Current | 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 | Current | 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.
-
- Multi-Specialty Clinic/Center
- Murray, UT
- NPI 1629260880
-
- General Acute Care Hospital
- Kanab, UT
- NPI 1043380991
-
- Family Medicine Physician
- Kanab, UT
- NPI 1215001037
-
- Emergency Medicine Physician
- Price, UT
- NPI 1548929565
-
- Emergency Medicine Physician
- Elko, NV
- NPI 1285645515
-
- Emergency Medicine Physician
- Las Vegas, NV
- NPI 1679550149
-
- Critical Access Hospital
- Ely, NV
- NPI 1487648804
-
- Psychiatry Physician
- St George, UT
- NPI 1023843844
-
- Skilled Nursing Facility
- Springville, UT
- NPI 1063401750
-
- Skilled Nursing Facility
- Cedar City, UT
- NPI 1720127608
-
- Emergency Medicine Physician
- North Las Vegas, NV
- NPI 1316488141
Hospital & facility affiliations 5
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- St George, UT
- NPI 1366452880
-
- General Acute Care Hospital
- Cedar City, UT
- NPI 1538178801
-
- Family Medicine Physician
- Kanab, UT
- NPI 1215001037
Hospital
-
- Critical Access Hospital
- Kanab, UT
- NPI 1740519370
-
- Critical Access Hospital
- Ely, NV
- NPI 1487648804
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
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 25, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.