Timothy Andre Klassen, CRNA

Primary specialty

Certified Registered Nurse AnesthetistTaxonomy code 367500000X

License

R 146066-5 Issued in MN

Practice address

41130 620TH Ave
Butterfield, MN 56120-4075

Phone

(507) 956-3249

NPI assigned

Jan 1, 2007

Sex

Male

Sole proprietor

Yes

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

Enrollment records 1

Specialty

Certified Registered Nurse Anesthetist (Crna)

Education

Other, 1999

Medicare assignment

May accept Medicare assignment

Telehealth

Offers telehealth services

Group practices

United Hospital District IncGroup PAC ID 6204158884, 50 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• United Hospital District Hospital, Blue Earth, MN, CCN 241369
• Madelia Health Hospital, Madelia, MN, CCN 241323
• Centracare - Redwood Hospital, Redwood Falls, MN, CCN 241351
• Olivia Hospital & Clinic Hospital, Olivia, MN, CCN 241306

Medicare enrollment (NPD)

Enrolled

Credentials

Certified Registered Nurse

State licenses

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://fhir-myrecord.cerner.com/r4/f2aa0e6f-59f8-4af5-916b-5f2f9445c1cb/

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.

• United Hospital District Inc.

  • Critical Access Hospital
  • Blue Earth, MN
  • NPI 1952307688

  MN

  Medicare reassignment Care Compare group NPD
• Carris Health - Redwood LLC

  • Critical Access Hospital
  • Redwood Falls, MN
  • NPI 1194206748

  MN

  Medicare reassignment NPD
• Carris Health - Redwood LLC

  • Emergency Medicine Physician
  • Redwood Falls, MN
  • NPI 1265914048

  MN, Nurse Anesthetist, Certified Registered

  Medicare reassignment NPD
• City of Sleepy Eye

  • Rural Health Clinic/Center
  • Sleepy Eye, MN
  • NPI 1215906680

  MN

  Medicare reassignment NPD
• County of Murray

  • Clinic/Center
  • Slayton, MN
  • NPI 1679565287

  MN

  Medicare reassignment NPD
• Healthpartners RC

  • Critical Access Hospital
  • Olivia, MN
  • NPI 1629091871

  MN

  Medicare reassignment NPD
• Healthpartners RC

  • Critical Access Hospital Clinic/Center
  • Olivia, MN
  • NPI 1649470782

  MN

  Medicare reassignment NPD
• Madelia Health

  • Critical Access Hospital
  • Madelia, MN
  • NPI 1639243272

  MN

  Medicare reassignment NPD
• Sanford Health Network

  • Critical Access Hospital
  • Tracy, MN
  • NPI 1003851171

  MN

  Medicare reassignment NPD
• Windom Area Hospital

  • Critical Access Hospital
  • Windom, MN
  • NPI 1841288644

  MN

  Medicare reassignment NPD
• Madelia Health

  • Critical Access Hospital
  • Madelia, MN
  • NPI 1912999137

  MN

  Medicare reassignment
• Carris Health - Redwood LLC

  • Home Health Agency
  • Redwood Falls, MN
  • NPI 1386126167
  NPD

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

• Carris Health - Redwood LLC

  • Critical Access Hospital
  • Redwood Falls, MN
  • NPI 1194206748

  Hospital

  Care Compare affiliation
• Healthpartners RC

  • Critical Access Hospital
  • Olivia, MN
  • NPI 1629091871

  Hospital

  Care Compare affiliation
• Madelia Health

  • Critical Access Hospital
  • Madelia, MN
  • NPI 1912999137

  Hospital

  Care Compare affiliation
• United Hospital District Inc.

  • Critical Access Hospital
  • Blue Earth, MN
  • NPI 1952307688

  Hospital

  Care Compare affiliation

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

{
    "created_epoch": "1167609600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787097600000",
    "number": "1003973157",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "41130 620TH AVE",
            "city": "BUTTERFIELD",
            "state": "MN",
            "postal_code": "561204075",
            "telephone_number": "507-956-3249"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "41130 620TH AVE",
            "city": "BUTTERFIELD",
            "state": "MN",
            "postal_code": "561204075",
            "telephone_number": "507-956-3249"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KLASSEN",
        "first_name": "TIMOTHY",
        "middle_name": "ANDRE",
        "name_prefix": "Mr.",
        "credential": "CRNA",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2007-01-01",
        "last_updated": "2026-08-19",
        "certification_date": "2026-08-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "MN",
            "license": "R 146066-5",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Independent School District 836
• Erik Romsdahl, DPT

• All providers in Butterfield, MN
• Certified Registered Nurse Anesthetist in Minnesota

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 19, 2026; 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.