Individual provider Active NPI

Thomas Lamar Mouritsen

  • Certified Registered Nurse Anesthetist
  • Winnemucca, NV
National Provider Identifier
1811537012
Registry record updated Sep 18, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Certified Registered Nurse AnesthetistTaxonomy code 367500000X
License
202100196CRNA Issued in ID
Practice address
118 E Haskell St
Winnemucca, NV 89445-3247
Phone
(775) 623-5222
NPI assigned
Jan 15, 2020
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 18, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Certified Registered Nurse Anesthetist 367500000X 202100196CRNA ID Primary
Certified Registered Nurse Anesthetist 367500000X 826747 NV

Addresses

Primary practice location

118 E Haskell St
Winnemucca, NV 89445-3247

Mailing address

PO Box 190930
Boise, ID 83719-0930
Phone (208) 367-5170

Other practice location 1

3325 Pocahontas Rd
Baker City, OR 97814-1464
Phone (541) 523-1797

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NV, OR2 enrollments

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20200219000031 NV Practitioner - Certified Registered Nurse Anesthetist (Crna) 1951738665 Reassigns benefits to 2 organizations
I20210305000270 OR Practitioner - Certified Registered Nurse Anesthetist (Crna) 1951738665 Reassigns benefits to 6 organizations

Care Compare profile

Medicare Care Compare
Specialty
Certified Registered Nurse Anesthetist (Crna)
Education
Other, 2019
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Saint Alphonsus Medical Center Baker City IncGroup PAC ID 4981732518, 15 clinicians
Grande Ronde Hospital IncGroup PAC ID 0547170789, 97 clinicians

Practice addresses (Care Compare)

3325 Pocahontas Rd
Baker City, OR 97814-1464
Phone (541) 524-2965

900 Sunset Dr
La Grande, OR 97850-1387
Phone (541) 963-8421

Hospital & facility affiliations

  • Grande Ronde Hospital Hospital, La Grande, OR, CCN 381321
  • St. Alphonsus Medical Center - Baker City Hospital, Baker City, OR, CCN 381315

Merit-based Incentive Payment System (MIPS)

Final score
56.26 of 100Reported as individual
Quality
44.99
Improvement activities
40

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Certified Registered Nurse

State licenses

LicenseStateTypeSpecialty
202100196CRNAIDMDCertified Registered Nurse Anesthetist

Practice roles

OrganizationSpecialtyStatusNew patients
Wallowa County Health Care District CurrentSince Dec 29, 2025 Accepting new patients
Saint Alphonsus Medical Center Baker City, Inc Nurse Anesthetist, Certified Registered CurrentSince Nov 1, 2025 Accepting new patients
Humboldt General Hospital CurrentSince Feb 3, 2020 Accepting new patients
Harney District Hospital CurrentSince Apr 14, 2023 Accepting new patients
Wallowa County Health Care District CurrentSince Dec 29, 2025 Accepting new patients
Harney District Hospital CurrentSince Apr 14, 2023 Accepting new patients
Humboldt General Hospital Nurse Anesthetist, Certified Registered CurrentSince Feb 3, 2020 Accepting new patients
Saint Alphonsus Medical Center Baker City, Inc CurrentSince Nov 1, 2025 Accepting new patients
Grande Ronde Hospital, Inc. CurrentSince Apr 1, 2021 Accepting new patients
Grande Ronde Hospital, Inc. CurrentSince Apr 1, 2021 Accepting new patients
Baker Clinic, LLP Current Accepting new patients
Humboldt General Hospital Current Accepting new patients

Locations

118 E Haskell St
Winnemucca, NV 89445
Phone (775) 623-5222

3325 Pocahontas Rd
Baker City, OR 97814
Phone (541) 523-1797

557 W Washington St
Burns, OR 97720
Phone (541) 573-3682

559 W Washington St
Burns, OR 97720
Phone (541) 573-2074

601 Medical Pkwy
Enterprise, OR 97828
Phone (541) 426-3111

170 Ford Rd
John Day, OR 97845
Phone (541) 575-1311

900 Sunset Dr
La Grande, OR 97850
Phone (541) 963-8421

Interoperability endpoints

  • FHIR API: https://api.platform.athenahealth.com/1523/brand/1/csg/23/fhir/r4

Organizations & group practices 20

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 20

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": "1579046400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1758153600000",
    "number": "1811537012",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 190930",
            "city": "BOISE",
            "state": "ID",
            "postal_code": "837190930",
            "telephone_number": "208-367-5170"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "118 E HASKELL ST",
            "city": "WINNEMUCCA",
            "state": "NV",
            "postal_code": "894453247",
            "telephone_number": "775-623-5222"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3325 Pocahontas Rd",
            "address_purpose": "LOCATION",
            "city": "Baker City",
            "state": "OR",
            "postal_code": "978141464",
            "country_code": "US",
            "telephone_number": "541-523-1797",
            "fax_number": "541-523-1799",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MOURITSEN",
        "first_name": "THOMAS",
        "middle_name": "LAMAR",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2020-01-15",
        "last_updated": "2025-09-18",
        "certification_date": "2025-09-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "ID",
            "license": "202100196CRNA",
            "primary": true
        },
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "NV",
            "license": "826747",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Winnemucca, NV

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 18, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • 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.