Brett J Leiknes, MD

Primary specialty

Undersea and Hyperbaric Medicine (Preventive Medicine) PhysicianTaxonomy code 2083P0011X

License

65977 Issued in WI

Practice address

5000 Memorial Dr
Two Rivers, WI 54241-3900

Phone

(920) 794-5000

NPI assigned

Nov 3, 2016

Last updated

Nov 10, 2025By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Specialties & licenses 3

Addresses

Other identifiers 1

Electronic endpoints 2

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: No
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Undersea and Hyperbaric Medicine

Education

Other, 2015

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Aurora Medical Group, Inc.Group PAC ID 6709794258, 3,764 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Aurora at Home Home health agency, Green Bay, WI, CCN 527302
• Aurora Medical Ctr Manitowoc County Hospital, Two Rivers, WI, CCN 520034
• Aurora Medical Center Sheboygan County Hospital, Sheboygan, WI, CCN 520035
• Holy Family Memorial Hospital, Manitowoc, WI, CCN 520107

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: bleiknes201108@direct.myadvocateaurora.org

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.

• Aurora Medical Group, Inc.

  • Certified Registered Nurse Anesthetist
  • Milwaukee, WI
  • NPI 1427271378

  Family Medicine

  Medicare reassignment Care Compare group NPD
• Mercy Health System Corporation

  dba MHS Physician Services

  • Multi-Specialty Clinic/Center
  • Janesville, WI
  • NPI 1598718603
  Medicare reassignment NPD
• Aurora Medical Group, Inc.

  • Durable Medical Equipment & Medical Supplies
  • Oshkosh, WI
  • NPI 1326858044
  NPD
• Aurora Medical Group, Inc.

  • Mental Health Clinic/Center (Including Community Mental Health Center)
  • Milwaukee, WI
  • NPI 1659599157
  NPD
• Mercy Health System Corporation

  dba Mercy Walworth Hospital and Medical Center

  • Critical Access Hospital
  • Lake Geneva, WI
  • NPI 1699728550
  NPD

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

• Aurora Health Care Central, Inc.

  • Mental Health Clinic/Center (Including Community Mental Health Center)
  • Sheboygan, WI
  • NPI 1902023955

  Hospital

  Care Compare affiliation
• Aurora Health Care Central, Inc.

  dba Aurora Medical Center Sheboygan County

  • General Acute Care Hospital
  • Sheboygan, WI
  • NPI 1922053107
  Care Compare affiliation
• Aurora Health Care North, Inc.

  • General Acute Care Hospital
  • Two Rivers, WI
  • NPI 1477508687
  Care Compare affiliation
• Holy Family Memorial Inc

  dba Froedtert Holy Family Memorial Hospital

  • General Acute Care Hospital
  • Manitowoc, WI
  • NPI 1700998697
  Care Compare affiliation
• Visiting Nurse Association of Wisconsin, Inc

  dba Aurora at Home

  • Home Health Agency
  • Green Bay, WI
  • NPI 1932361763
  Care Compare affiliation

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

{
    "created_epoch": "1478131200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1762732800000",
    "number": "1285186510",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 735044",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606735044"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5000 MEMORIAL DR",
            "city": "TWO RIVERS",
            "state": "WI",
            "postal_code": "542413900",
            "telephone_number": "920-794-5000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LEIKNES",
        "first_name": "BRETT",
        "middle_name": "J",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2016-11-03",
        "last_updated": "2025-11-10",
        "certification_date": "2025-11-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207PE0005X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine, Undersea and Hyperbaric Medicine",
            "state": "WI",
            "license": "65977-20",
            "primary": false
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "WI",
            "license": "65977-20",
            "primary": false
        },
        {
            "code": "2083P0011X",
            "taxonomy_group": "",
            "desc": "Preventive Medicine, Undersea and Hyperbaric Medicine",
            "state": "WI",
            "license": "65977",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "100062290",
            "state": "WI"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "bleiknes201108@direct.myadvocateaurora.org",
            "affiliation": "N",
            "address_1": "4100 Dewey St",
            "city": "Manitowoc",
            "state": "WI",
            "country_code": "US",
            "postal_code": "54220",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/",
            "affiliation": "N",
            "address_1": "4100 Dewey St",
            "city": "Manitowoc",
            "state": "WI",
            "country_code": "US",
            "postal_code": "54220",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Hye Chong L Lambert, MD
• Toni L Lampe, LPC
• Stephanie Larson
• Josey R Laughlin, CRNA
• Cynthia L Lecloux, A.P.N.P
• Dane Leist, PHARMD
• Bryce Alexandra Lewellen, O.D.
• Lifetime Family Dentistry of Two Rivers
• Alexis Lindstrom, DOCTOR OF PT
• Kelly A. Litersky, MS, RD, CD

• Undersea and Hyperbaric Medicine (Preventive Medicine) Physician in Two Rivers, WI
• Providers in Two Rivers, WI by specialty
• Undersea and Hyperbaric Medicine (Preventive Medicine) Physician in Wisconsin

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 10, 2025; 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.
• 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.