Thomas J. Viren, MD

Primary specialty

Emergency Medicine PhysicianTaxonomy code 207P00000X

License

44286 Issued in MN

Practice address

1601 Golf Course Rd
Grand Rapids, MN 55744-8648

Phone

(218) 326-5000

NPI assigned

Jan 25, 2006

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in MN

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 1

Specialty

Emergency Medicine

Education

University of Minnesota Medical School, 1998

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Grand Itasca Clinic and HospitalGroup PAC ID 8123939550, 328 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Grand Itasca Clinic and Hospital Hospital, Grand Rapids, MN, CCN 240064
• Bigfork Valley Hospital Hospital, Bigfork, MN, CCN 241316
• North Memorial Health Hospital Hospital, Robbinsdale, MN, CCN 240001

Merit-based Incentive Payment System (MIPS)

Final score

92.35 of 100Reported as group

Quality

88.69

Promoting interoperability

100

Improvement activities

40

Cost

76.65

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: tviren414322@fairview.direct-ci.com

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.

• Grand Itasca Clinic and Hospital

  • General Acute Care Hospital
  • Grand Rapids, MN
  • NPI 1669426631

  MN

  Medicare reassignment Care Compare group NPD
• Grand Itasca Clinic and Hospital

  • Home Health Agency
  • Grand Rapids, MN
  • NPI 1558435131
  Care Compare group
• Grand Itasca Clinic and Hospital

  • Community/Retail Pharmacy
  • Grand Rapids, MN
  • NPI 1225441157
  NPD

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

• Grand Itasca Clinic and Hospital

  • General Acute Care Hospital
  • Grand Rapids, MN
  • NPI 1669426631

  Hospital

  Care Compare affiliation Name & address match
• North Memorial Health Care

  • Ambulance
  • Brooklyn Center, MN
  • NPI 1538195912

  Hospital

  Care Compare affiliation
• North Memorial Health Care

  • Medical Specialty Clinic/Center
  • Robbinsdale, MN
  • NPI 1699953000

  Hospital

  Care Compare affiliation
• North Memorial Health Care

  • Clinic/Center
  • Blaine, MN
  • NPI 1841995552

  Hospital

  Care Compare affiliation
• North Memorial Health Care

  • General Acute Care Hospital
  • Robbinsdale, MN
  • NPI 1851344907

  Hospital

  Care Compare affiliation
• Northern Itasca Hospital District

  • Critical Access Hospital
  • Bigfork, MN
  • NPI 1851335525

  Hospital

  Care Compare affiliation

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

{
    "created_epoch": "1138147200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1699745331",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1601 GOLF COURSE RD",
            "city": "GRAND RAPIDS",
            "state": "MN",
            "postal_code": "557448648",
            "telephone_number": "218-326-5000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1601 GOLF COURSE RD",
            "city": "GRAND RAPIDS",
            "state": "MN",
            "postal_code": "557448648",
            "telephone_number": "218-326-5000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "VIREN",
        "first_name": "THOMAS",
        "middle_name": "J.",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-01-25",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "MN",
            "license": "44286",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Lisa Mei Vekich, RN, IBCLC
• Victoria Beck, MSW, Licsw LLC
• Mischelle Louise Vietanen, PSY.D.
• Crystal Cecile Vilen, LICSW
• Rosetta K. Villeneuve, NP
• Vision Optical Inc.
• Vision Pro II, Inc
• Walgreen Co
• Brea Wallaker
• Tyler Wesley Waller, PHARMD.

• All providers in Grand Rapids, MN
• Emergency Medicine Physician in Minnesota

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 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.