Kevin R Kozak, MD, PHD
Radiation Oncology (CMS) · Baraboo, WI
At a glance
707 14Th St, Baraboo, WI 53913-1539
NPPES record updated Jun 23, 2025. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
707 14Th StBaraboo, WI 53913-1539
Additional reported practice locations
25243 Elementary WayBonita Springs, FL 341357898
Phone: 2393172772
Fax: 2396767637 1000 Mineral Point Ave
Janesville, WI 535482940
Phone: 6087566500
Fax: 6087566501
Education & affiliations
- Medical / professional school
- Vanderbilt University School Of Medicine
- Graduation year
- 2003
- CMS specialties
- Radiation Oncology
CMS reports telehealth services for this clinician. Confirm current services and availability with the practice.
Practice groups
- Mercy Health System Corporation
- Rockford Health Physicians
- Shared Magnetic Resonance Imaging Facility Inc
Reported hospital affiliations
- Javon Bea Hospital Rockford, IL
- Mercy Health System Corp Janesville, WI
- Mercy Walworth Hospital & Medical Center Lake Geneva, WI
- Ssm Health St Clare Hospital - Baraboo Baraboo, WI
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Industry-reported general payments
No matching general-payment summary in the imported release. This is not a verified zero and does not rule out other payment types or years.
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Radiation Oncology (CMS)
- Taxonomy code
- 2085R0001X
- Enumeration date
- Aug 5, 2007
- Record updated
- Jun 23, 2025
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- MD, PHD
Reported taxonomies and licenses
2085R0001X
License reported: ME148357 FL
2085R0001X
License reported: 036121114 IL
2085R0001X · Primary
License reported: 51615 WI
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
707 14Th StBaraboo, WI 53913-1539
- Phone
- (608) 356-1400
Mailing address
707 14TH STBARABOO, WI 539131539
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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