NPIMap

Individual provider Active NPI

Stephen Thorp, M.D.

  • Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician
  • Wausau, WI
National Provider Identifier
1790136158
Registry record updated Jun 26, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Thoracic Surgery (Cardiothoracic Vascular Surgery) PhysicianTaxonomy code 208G00000X
License
85558-20 Issued in WI
Practice address
425 Pine Ridge Blvd Ste 209
Wausau, WI 54401-4123
Phone
(715) 847-0400
NPI assigned
Jun 28, 2016
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 26, 2025

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Surgery Physician 208600000X 4301504731 MI
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician 208G00000X 4301504731 MI
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician 208G00000X 85558-20 WI Primary

Addresses

Primary practice location

425 Pine Ridge Blvd Ste 209
Wausau, WI 54401-4123

Mailing address

425 Pine Ridge Blvd Ste 209
Wausau, WI 54401-4123
Phone (715) 847-0400

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in TX, WI2 enrollments
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20210909001643 TX Practitioner - General Surgery 3678979002 Reassigns benefits to 2 organizations
I20250923003086 WI Practitioner - General SurgeryPractitioner - Thoracic Surgery 3678979002 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
General SurgeryAlso: Thoracic Surgery
Education
Other, 2016
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Aspirus Medical Group, Inc.Group PAC ID 1052223625, 272 clinicians

Practice addresses (Care Compare)

425 Pine Ridge Blvd
Suite 209
Wausau, WI 54401-4123
Phone (715) 847-0400

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Coronary artery bypass graft (CABG)12

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
85558-20WIMDThoracic Surgery (Cardiothoracic Vascular Surgery) Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Aspirus Wausau Hospital, Inc. CurrentSince Sep 1, 2025 Accepting new patients
Aspirus Medical Group, Inc. CurrentSince Sep 1, 2025 Accepting new patients
Alaska Native Tribal Health Consortium CurrentSince Sep 1, 2021 Accepting new patients
Aspirus Medical Group, Inc. Current Accepting new patients
Aspirus Wausau Hospital, Inc. Current Accepting new patients
Bristol Bay Area Health Corporation CurrentSince Apr 14, 2023 Accepting new patients
Aspirus Wausau Hospital, Inc. CurrentSince Sep 1, 2025 Accepting new patients
Aspirus Medical Group, Inc. CurrentSince Sep 1, 2025 Accepting new patients
Bristol Bay Area Health Corporation Current Accepting new patients
Bristol Bay Area Health Corporation CurrentSince Apr 14, 2023 Accepting new patients
Grmep Past Accepting new patients
Grand Rapids Medical Education Partners Past Accepting new patients

Locations

4315 Diplomacy Dr
Anchorage, AK 99508
Phone (907) 729-1729

4000 Ambassador Dr
Anchorage, AK 99508
Phone (907) 729-1900

29980 Network Pl
Chicago, IL 60673

333 Pine Ridge Blvd
Wausau, WI 54401
Phone (715) 847-2160

425 Pine Ridge Blvd
Ste 209
Wausau, WI 54401
Phone (715) 845-4606

4005 Community Center Dr
Weston, WI 54476
Phone (715) 241-5400

Interoperability endpoints

  • Direct secure messaging: sthorp380964@direct.aspirus.org

Organizations & group practices 13

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 13

Hospital & facility affiliations 35

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

View all 35

NPI Registry JSON

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

{
    "created_epoch": "1467072000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1750896000000",
    "number": "1790136158",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "425 PINE RIDGE BLVD STE 209",
            "city": "WAUSAU",
            "state": "WI",
            "postal_code": "544014123",
            "telephone_number": "715-847-0400"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "425 PINE RIDGE BLVD STE 209",
            "city": "WAUSAU",
            "state": "WI",
            "postal_code": "544014123",
            "telephone_number": "715-847-0400"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "THORP",
        "first_name": "STEPHEN",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2016-06-28",
        "last_updated": "2025-06-26",
        "certification_date": "2025-06-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "MI",
            "license": "4301504731",
            "primary": false
        },
        {
            "code": "208G00000X",
            "taxonomy_group": "",
            "desc": "Thoracic Surgery (Cardiothoracic Vascular Surgery)",
            "state": "MI",
            "license": "4301504731",
            "primary": false
        },
        {
            "code": "208G00000X",
            "taxonomy_group": "",
            "desc": "Thoracic Surgery (Cardiothoracic Vascular Surgery)",
            "state": "WI",
            "license": "85558-20",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Wausau, WI

Sources for this page

Verify at the official NPI Registry.