Marek J Lisek, D.O.

Primary specialty

Hospitalist PhysicianTaxonomy code 208M00000X

License

81395-21 Issued in WI

Practice address

Beloit Health System
1969 W Hart Road
Beloit, WI 53511-2230

Phone

(608) 363-5971

Fax

(608) 363-5737

NPI assigned

Mar 21, 2022

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

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

Specialty

Internal MedicineAlso: Hospitalist

Education

Marian University College of Osteopathic Medicine, 2022

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Beloit Health System IncGroup PAC ID 8224947858, 138 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Beloit Health System Hospital, Beloit, WI, CCN 520100

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Beloit Health System Inc

  dba BHS Clinics

  • General Practice Physician
  • Beloit, WI
  • NPI 1679616361

  Internal Medicine

  Medicare reassignment Care Compare group NPD
• Beloit Clinic, S.C.

  • Internal Medicine Physician
  • Beloit, WI
  • NPI 1548345887
  NPD
• Beloit Health System, Inc

  dba Hendricks Family Heart Hospital

  • Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician
  • Beloit, WI
  • NPI 1568677417
  NPD

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

• Beloit Health System Inc

  dba Beloit Memorial Hospital

  • General Acute Care Hospital
  • Beloit, WI
  • NPI 1982780094
  Care Compare affiliation

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

{
    "created_epoch": "1647820800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1755043200000",
    "number": "1932858594",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "BELOIT HEALTH SYSTEM INC",
            "address_2": "1969 W HART ROAD",
            "city": "BELOIT",
            "state": "WI",
            "postal_code": "535112230",
            "telephone_number": "608-364-5011",
            "fax_number": "608-364-5525"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "BELOIT HEALTH SYSTEM",
            "address_2": "1969 W HART ROAD",
            "city": "BELOIT",
            "state": "WI",
            "postal_code": "535112230",
            "telephone_number": "608-363-5971",
            "fax_number": "608-363-5737"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LISEK",
        "first_name": "MAREK",
        "middle_name": "J",
        "name_prefix": "Dr.",
        "credential": "D.O.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2022-03-21",
        "last_updated": "2025-08-13",
        "certification_date": "2024-05-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "WI",
            "license": "81395-21",
            "primary": false
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "WI",
            "license": "81395-21",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "100281912",
            "state": "WI"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Julia A Licary, LPN
• Kristin K. Lietzau, PA
• Roger G Lim, MD
• Laura Linek
• Jaclyn Lineman, PHARMD
• Thomas J Lisk, MD
• John Peder Littlefield, P.A.
• LJ III Health Management Inc. (Premier Rehabilitation & Skilled Nursing)
• Janice Loesel, DENTAL HYGIENIST
• Kerilynn Loftus, MD

• Hospitalist Physician in Beloit, WI
• Providers in Beloit, WI by specialty
• Hospitalist Physician in Wisconsin

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 13, 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.