Steven Allen Larsen, MD

Primary specialty

Diagnostic Radiology PhysicianTaxonomy code 2085R0202X

License

M-9927 Issued in ID

Practice address

777 Hospital Way
BLDG B
Pocatello, ID 83201-5175

Phone

(208) 239-1000

NPI assigned

Oct 9, 2006

Last updated

Jun 5, 2026By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Specialties & licenses 4

Addresses

Other identifiers 3

Medicare fee-for-service enrollment

Enrolled in OR, ID, WY, MT, UT, FL, KS, TX, CO9 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 9

Specialty

Diagnostic Radiology

Education

University of Utah School of Medicine, 2001

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Inspire Radiology Group LLCGroup PAC ID 2365975216, 15 clinicians

Teton Radiology Diagnostic a Series of Teton Group EnterpriseGroup PAC ID 1254436959, 43 clinicians

Cache Valley VeinGroup PAC ID 5294069563, 36 clinicians

Teton Radiology Madison LLCGroup PAC ID 6901958024, 40 clinicians

Gonzales Healthcare SystemsGroup PAC ID 8527963776, 35 clinicians

Medical Imaging Associates of Idaho Falls IncGroup PAC ID 7618876590, 66 clinicians

Delta County Memorial HospitalGroup PAC ID 1850200601, 107 clinicians

Baker Community Health Center IncGroup PAC ID 3779689807, 25 clinicians

Bay Area Hospital DistrictGroup PAC ID 2163331000, 117 clinicians

Dawson County Hospital DistrictGroup PAC ID 6800832155, 25 clinicians

Memorial Hospital of Carbon CountyGroup PAC ID 9638067176, shared by 3 NPIs, 38 clinicians

Inspire Radiology Group 2 LLCGroup PAC ID 1355870460, 23 clinicians

Castro County Hospital DistrictGroup PAC ID 3870404064, shared by 6 NPIs, 29 clinicians

Kane County Human Resource Special Service DistrictGroup PAC ID 5092603316, shared by 8 NPIs, 36 clinicians

Lower Umpqua Hospital DistrictGroup PAC ID 6800703562, 42 clinicians

Fisher County Hospital DistrictGroup PAC ID 2163311465, shared by 4 NPIs, 27 clinicians

Medlink Management Services IncGroup PAC ID 2466360797, 26 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Bay Area Hospital Hospital, Coos Bay, OR, CCN 380090
• Eastern Idaho Regional Medical Center Hospital, Idaho Falls, ID, CCN 130018
• Portneuf Medical Center Hospital, Pocatello, ID, CCN 130028
• Delta County Memorial Hospital Hospital, Delta, CO, CCN 060071
• Mountain View Hospital Hospital, Idaho Falls, ID, CCN 130065

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles (60 of 61)

Locations (25 of 77)

Interoperability endpoints

• FHIR API: https://fhir.nextgen.com/nge/prod/fhir-api-r4/fhir/r4/
• Direct secure messaging: slarsen@yourcarecommunity.org

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

• Medical Imaging Associates of Idaho Falls, Inc

  • Diagnostic Radiology Physician
  • Pocatello, ID
  • NPI 1740225531

  MT, WY

  Medicare reassignment Care Compare group NPD
• Teton Radiology Diagnostic a Series of Teton Group Enterprise

  dba Teton Radiology

  • Body Imaging Physician
  • Idaho Falls, ID
  • NPI 1013085604

  Diagnostic Radiology, MT, UT, WY

  Medicare reassignment Care Compare group NPD
• Teton Radiology Madison LLC

  • Body Imaging Physician
  • Rexburg, ID
  • NPI 1407081060

  MT, UT, WY

  Medicare reassignment Care Compare group NPD
• Bay Area Hospital District

  dba Bay Area Hospital

  • General Acute Care Hospital
  • Coos Bay, OR
  • NPI 1225016561
  Medicare reassignment Care Compare group NPD
• Dawson County Hospital District

  dba Medical Arts Hospital

  • Rural Acute Care Hospital
  • Lamesa, TX
  • NPI 1134108053
  Medicare reassignment Care Compare group NPD
• Gonzales Healthcare Systems

  dba Sievers Medical Clinic

  • Rural Health Clinic/Center
  • Gonzales, TX
  • NPI 1013916287
  Medicare reassignment Care Compare group NPD
• Inspire Radiology Group 2 LLC

  • Diagnostic Radiology Physician
  • Coos Bay, OR
  • NPI 1396570644

  ID, TX

  Medicare reassignment Care Compare group NPD
• Inspire Radiology Group LLC

  • Diagnostic Radiology Physician
  • Coos Bay, OR
  • NPI 1487485181

  ID

  Medicare reassignment Care Compare group NPD
• Lower Umpqua Hospital District

  • Critical Access Hospital
  • Reedsport, OR
  • NPI 1003874819
  Medicare reassignment Care Compare group NPD
• Medlink Management Services Inc

  dba Lake Butler Hospital

  • Critical Access Hospital
  • Lake Butler, FL
  • NPI 1013972272
  Medicare reassignment Care Compare group NPD
• Baker Community Health Center Inc

  • Emergency Medicine Physician
  • Macclenny, FL
  • NPI 1396807319

  ID

  Medicare reassignment Care Compare group
• Cache Valley Vein

  • Vascular & Interventional Radiology Physician
  • Providence, UT
  • NPI 1831662311

  ID, MT, WY

  Medicare reassignment Care Compare group

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

• Eastern Idaho Health Services Inc

  dba Eastern Idaho Regional Medical Center

  • General Acute Care Hospital
  • Idaho Falls, ID
  • NPI 1225082209
  Care Compare affiliation
• Mountain View Hospital LLC

  • General Acute Care Hospital
  • Idaho Falls, ID
  • NPI 1669462362
  Care Compare affiliation
• Pocatello Hospital LLC

  dba Portneuf Rehabilitation Center

  • Rehabilitation Hospital Unit
  • Pocatello, ID
  • NPI 1144262114
  Care Compare affiliation
• Pocatello Hospital LLC

  dba Portneuf Medical Center

  • General Acute Care Hospital
  • Pocatello, ID
  • NPI 1790751055
  Care Compare affiliation
• Bay Area Hospital District

  dba Bay Area Hospital

  • General Acute Care Hospital
  • Coos Bay, OR
  • NPI 1225016561
  Care Compare affiliation
• Delta County Memorial Hospital

  dba Delta Health

  • Rural Acute Care Hospital
  • Delta, CO
  • NPI 1417935446
  Care Compare affiliation

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

{
    "created_epoch": "1160352000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1780617600000",
    "number": "1508953555",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2265 E SUNNYSIDE RD BLDG B",
            "city": "IDAHO FALLS",
            "state": "ID",
            "postal_code": "834047598",
            "telephone_number": "208-542-5000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "777 HOSPITAL WAY",
            "address_2": "BLDG B",
            "city": "POCATELLO",
            "state": "ID",
            "postal_code": "832015175",
            "telephone_number": "208-239-1000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1460 G St",
            "address_purpose": "LOCATION",
            "city": "Springfield",
            "state": "OR",
            "postal_code": "974774112",
            "country_code": "US",
            "telephone_number": "816-800-9020",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1110 N Sarah DeWitt Dr",
            "address_purpose": "LOCATION",
            "city": "Gonzales",
            "state": "TX",
            "postal_code": "786293311",
            "country_code": "US",
            "telephone_number": "816-800-9020",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1501 E 3rd St",
            "address_purpose": "LOCATION",
            "city": "Delta",
            "state": "CO",
            "postal_code": "814162815",
            "country_code": "US",
            "telephone_number": "970-874-7681",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1110 N Sarah DeWitt Dr",
            "address_purpose": "LOCATION",
            "city": "Gonzales",
            "state": "TX",
            "postal_code": "786293311",
            "country_code": "US",
            "telephone_number": "816-800-9020",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "LARSEN",
        "first_name": "STEVEN",
        "middle_name": "ALLEN",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-10-09",
        "last_updated": "2026-06-05",
        "certification_date": "2026-06-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "CO",
            "license": "DR.0076559",
            "primary": false
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "TX",
            "license": "T0549",
            "primary": false
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "ID",
            "license": "M-9927",
            "primary": true
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "OR",
            "license": "MD26653",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "807481100",
            "state": "ID"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "9000153682",
            "state": "CO"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "005925",
            "state": "OR"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Larsen Dental Care
• Bryce Robert Larsen, D.M.D.
• David J Larsen, M.D.
• Joseph Val Larsen
• Niels Willard Larsen V, D.D.S.
• Jamie Larane Larson, RN
• Kiah Marie Larson
• Margaret Larson, RD, LD
• Richard John Lassere, M.D.
• Allie Marie Laufenburger

• Diagnostic Radiology Physician in Pocatello, ID
• Providers in Pocatello, ID by specialty
• Diagnostic Radiology Physician in Idaho

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 5, 2026; 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.

Verify at the official NPI Registry.