Brian Christopher Sowka, DO

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

75215 Issued in WI

Practice address

1836 South Ave
La Crosse, WI 54601-5429

Phone

(608) 782-7300

NPI assigned

Apr 12, 2019

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 WI

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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: bsowka315970@direct.gundersenhealth.org

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.

• Gundersen Lutheran Medical Center Inc

  • Clinic/Center
  • La Crosse, WI
  • NPI 1225873458
  Medicare reassignment NPD
• Gundersen Lutheran Medical Center, Inc

  • Clinic/Center
  • La Crosse, WI
  • NPI 1689918377

  Internal Medicine

  NPD
• Gundersen Lutheran Medical Center, Inc

  • Mental Health Clinic/Center (Including Community Mental Health Center)
  • Onalaska, WI
  • NPI 1871837567
  NPD

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

{
    "created_epoch": "1555027200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1784764800000",
    "number": "1659834810",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1836 SOUTH AVE",
            "city": "LA CROSSE",
            "state": "WI",
            "postal_code": "546015429",
            "telephone_number": "608-782-7300"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1836 SOUTH AVE",
            "city": "LA CROSSE",
            "state": "WI",
            "postal_code": "546015429",
            "telephone_number": "608-782-7300"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SOWKA",
        "first_name": "BRIAN",
        "middle_name": "CHRISTOPHER",
        "name_prefix": "Dr.",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-04-12",
        "last_updated": "2026-07-23",
        "certification_date": "2026-07-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "WI",
            "license": "75215",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Susan Carol Sorrentino, RN
• Katrine K Sorum, N.P.
• Kimberly Ann Southorn
• Tara Sova, PA-C
• John Sowders, PH.D., LMFT
• Ashley E Spacek, DPM
• Paul Samuel Spanel, D.O.
• Victoria Anne Sparks, MD
• Jill Sparrgrove, LPN
• Makena M Speltz

• Internal Medicine Physician in La Crosse, WI
• Providers in La Crosse, WI by specialty
• Internal Medicine Physician in Wisconsin

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 23, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.