Kevin R Kozak, MD, PHD

Primary specialty

Radiation Oncology PhysicianTaxonomy code 2085R0001X

License

51615 Issued in WI

Practice address

707 14TH St
Baraboo, WI 53913-1539

Phone

(608) 356-1400

NPI assigned

Aug 5, 2007

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 4

Medicare fee-for-service enrollment

Enrolled in WI, IL2 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

Specialty

Radiation Oncology

Education

Vanderbilt University School of Medicine, 2003

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Mercy Health System CorporationGroup PAC ID 7416860440, shared by 14 NPIs, 749 clinicians

Shared Magnetic Resonance Imaging Facility IncGroup PAC ID 8921906256, 9 clinicians

Rockford Health PhysiciansGroup PAC ID 2567374036, 520 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Mercy Health System Corp Hospital, Janesville, WI, CCN 520066
• Mercy Walworth Hospital & Medical Center Hospital, Lake Geneva, WI, CCN 521357
• Javon Bea Hospital Hospital, Rockford, IL, CCN 140239
• SSM Health St Clare Hospital - Baraboo Hospital, Baraboo, WI, CCN 520057

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine, Doctor of Philosophy

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: kkozak554795@direct-ehr-ssmhc.com
• Direct secure messaging: kkozak24756@direct.mhemail.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.

• Shared Magnetic Resonance Imaging Facility, Inc

  • Radiation Oncology Clinic/Center
  • Madison, WI
  • NPI 1780640532
  Medicare reassignment Care Compare group NPD
• Rockford Health Physicians

  • Multi-Specialty Clinic/Center
  • Rockford, IL
  • NPI 1043242886
  Medicare reassignment Care Compare group NPD
• Mercy Health System Corporation

  • Multi-Specialty Clinic/Center
  • Janesville, WI
  • NPI 1598718603

  IL

  Medicare reassignment NPD
• Mercy Health System Corporation

  • Critical Access Hospital
  • Lake Geneva, WI
  • NPI 1699728550
  Medicare reassignment NPD
• The Monroe Clinic, Inc.

  • Specialist
  • Monroe, WI
  • NPI 1386720548
  Medicare reassignment
• University of Wisconsin Medical Foundation, Inc

  • Multi-Specialty Clinic/Center
  • Middleton, WI
  • NPI 1598784555
  Medicare reassignment
• Mercy Health System Corporation

  • General Acute Care Hospital
  • Janesville, WI
  • NPI 1093768962
  NPD
• Precision Healthcare Specialists, LLC

  • Otolaryngology Physician
  • Fort Myers, FL
  • NPI 1457050106

  Radiation Oncology

  NPD

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

• Mercy Health System Corporation

  • General Acute Care Hospital
  • Janesville, WI
  • NPI 1093768962
  Care Compare affiliation
• Mercy Health System Corporation

  • Critical Access Hospital
  • Lake Geneva, WI
  • NPI 1699728550
  Care Compare affiliation
• SSM Health Care of Wisconsin Inc

  • General Acute Care Hospital
  • Baraboo, WI
  • NPI 1386641207
  Care Compare affiliation
• Javon Bea Hospital

  • General Acute Care Hospital
  • Rockford, IL
  • NPI 1629118609
  Care Compare affiliation

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

{
    "created_epoch": "1186272000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1750636800000",
    "number": "1124219241",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "707 14TH ST",
            "city": "BARABOO",
            "state": "WI",
            "postal_code": "539131539",
            "telephone_number": "608-356-1400"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "707 14TH ST",
            "city": "BARABOO",
            "state": "WI",
            "postal_code": "539131539",
            "telephone_number": "608-356-1400"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "25243 Elementary Way",
            "address_purpose": "LOCATION",
            "city": "Bonita Springs",
            "state": "FL",
            "postal_code": "341357898",
            "country_code": "US",
            "telephone_number": "239-317-2772",
            "fax_number": "239-676-7637",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1000 Mineral Point Ave",
            "address_purpose": "LOCATION",
            "city": "Janesville",
            "state": "WI",
            "postal_code": "535482940",
            "country_code": "US",
            "telephone_number": "608-756-6500",
            "fax_number": "608-756-6501",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "KOZAK",
        "first_name": "KEVIN",
        "middle_name": "R",
        "credential": "MD, PHD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-08-05",
        "last_updated": "2025-06-23",
        "certification_date": "2025-06-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0001X",
            "taxonomy_group": "",
            "desc": "Radiology, Radiation Oncology",
            "state": "FL",
            "license": "ME148357",
            "primary": false
        },
        {
            "code": "2085R0001X",
            "taxonomy_group": "",
            "desc": "Radiology, Radiation Oncology",
            "state": "IL",
            "license": "036121114",
            "primary": false
        },
        {
            "code": "2085R0001X",
            "taxonomy_group": "",
            "desc": "Radiology, Radiation Oncology",
            "state": "WI",
            "license": "51615",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "FL BLUE",
            "identifier": "HVZ5R",
            "state": "FL"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDICARE",
            "identifier": "NO241",
            "state": "FL"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "109765700",
            "state": "FL"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MERCYCARE INSURANCE",
            "identifier": "KOZAKKEV",
            "state": "WI"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Jennifer Claire Klein, MD
• Denise Lynn Klemm, RN,RCS
• Emily Kline, CAPSW
• Tara Ellen Koch, RN
• Robert D Konen, D.D.S, F.A.G.D
• Sara Krall, MSW
• Lisa L Krayer
• Joanne M Kriege, MD
• Marian R Krocker, LPN
• Frederick W Kron, MD

• Radiation Oncology Physician in Baraboo, WI
• Providers in Baraboo, WI by specialty
• Radiation Oncology Physician in Wisconsin

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 23, 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.