Eric Joseph Theisen, RN

Primary specialty

Certified Registered Nurse AnesthetistTaxonomy code 367500000X

License

2920 Issued in MN

Practice address

1526 Northway Dr
Saint Cloud, MN 56303-1224

Phone

(800) 349-7272

NPI assigned

Dec 6, 2023

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

Medicare enrollment (NPD)

Enrolled

Credentials

Registered Nurse

State licenses

Practice roles

Locations

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.

• Certified Anesthesia Care, Co.

  • Certified Registered Nurse Anesthetist
  • Stillwater, MN
  • NPI 1699736348

  Single Specialty

  Medicare reassignment NPD
• St Cloud Outpatient Surgery LTD

  • Ambulatory Surgical Clinic/Center
  • Saint Cloud, MN
  • NPI 1124084843
  Medicare reassignment NPD
• St Cloud Outpatient Surgery LTD

  • Certified Registered Nurse Anesthetist
  • Saint Cloud, MN
  • NPI 1720235419

  Single Specialty

  NPD

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

{
    "created_epoch": "1701820800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1764806400000",
    "number": "1851168165",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1526 NORTHWAY DR",
            "city": "SAINT CLOUD",
            "state": "MN",
            "postal_code": "563031224",
            "telephone_number": "800-349-7272"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1526 NORTHWAY DR",
            "city": "SAINT CLOUD",
            "state": "MN",
            "postal_code": "563031224",
            "telephone_number": "800-349-7272"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "THEISEN",
        "first_name": "ERIC",
        "middle_name": "JOSEPH",
        "credential": "RN",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2023-12-06",
        "last_updated": "2025-12-04",
        "certification_date": "2025-12-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367500000X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "MN",
            "license": "2920",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Augustine Thapa Tamang
• Melanie Jo Lirong Thares, OD
• Nicholas Thayer
• The Saint Cloud Hospital
• The Wellness Clinic L.L.C.
• Katie Theisen, MSN, RN
• Lindsay Theisen, OTR/L
• Julie Kay Theismann
• Karen Leigh Then, RN, CNP
• Sharon Marie Then, BSN RN CEN

• Certified Registered Nurse Anesthetist in Saint Cloud, MN
• Providers in Saint Cloud, MN by specialty
• Certified Registered Nurse Anesthetist in Minnesota

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 4, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.