Individual provider Active NPI

Justin Brian Sporleder, MD

  • Hospitalist Physician
  • Superior, WI
National Provider Identifier
1053051078
Registry record updated Nov 26, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hospitalist PhysicianTaxonomy code 208M00000X
License
82864-20 Issued in WI
Practice address
3500 Tower Ave
Superior, WI 54880-4491
Phone
(218) 786-8364
NPI assigned
Mar 29, 2022
Last updated
Nov 26, 2025By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Nov 26, 2025

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

Specialties & licenses 4

Specialty (taxonomy)CodeLicenseStatePrimary
Family Medicine Physician 207Q00000X 81160 MN
Family Medicine Physician 207Q00000X 82864-20 WI
Hospitalist Physician 208M00000X 81160 MN
Hospitalist Physician 208M00000X 82864-20 WI Primary

Addresses

Primary practice location

3500 Tower Ave
Superior, WI 54880-4491

Mailing address

400 E 3Rd St
Duluth, MN 55805-1951
Phone (218) 786-8364

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MN, WI2 enrollments
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 2

Enrollment IDStateProvider typePAC IDDetails
I20251209002769 MN Practitioner - HospitalistPractitioner - Family Practice 8426438342 Reassigns benefits to 1 organization
I20251209003080 WI Practitioner - HospitalistPractitioner - Family Practice 8426438342 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
HospitalistAlso: Family Practice
Education
Medical College of Wisconsin, 2022
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
St Marys Hospital of SuperiorGroup PAC ID 8628964228, 96 clinicians

Practice addresses (Care Compare)

3500 Tower Ave
Superior, WI 54880-4491
Phone (715) 392-8281

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
81160MNMDHospitalist Physician
82864-20WIMDHospitalist Physician

Practice roles

OrganizationSpecialtyStatusNew patients
St. Mary's Hospital of Superior CurrentSince Dec 15, 2025 Accepting new patients
The Duluth Clinic, LTD. CurrentSince Dec 15, 2025 Accepting new patients
The Duluth Clinic LTD CurrentSince Dec 15, 2025 Accepting new patients
St. Mary's Hospital of Superior CurrentSince Dec 15, 2025 Accepting new patients

Locations

400 E 3rd St
Duluth, MN 55805
Phone (218) 722-8364

3500 Tower Ave
Superior, WI 54880
Phone (715) 392-8281

Organizations & group practices 5

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

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": "1648512000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1764115200000",
    "number": "1053051078",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "400 E 3RD ST",
            "city": "DULUTH",
            "state": "MN",
            "postal_code": "558051951",
            "telephone_number": "218-786-8364"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3500 TOWER AVE",
            "city": "SUPERIOR",
            "state": "WI",
            "postal_code": "548804491",
            "telephone_number": "218-786-8364"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SPORLEDER",
        "first_name": "JUSTIN",
        "middle_name": "BRIAN",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2022-03-29",
        "last_updated": "2025-11-26",
        "certification_date": "2025-11-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "MN",
            "license": "81160",
            "primary": false
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "WI",
            "license": "82864-20",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "MN",
            "license": "81160",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "WI",
            "license": "82864-20",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Superior, WI

Sources for this page

Verify at the official NPI Registry.