KEVIN R KOZAK MD, PHD
NPI 1124219241
Radiology - Radiation Oncology in Baraboo, WI

Q: What is Kevin Kozak's NPI number?

The NPI number for Kevin Kozak is 1124219241. It was assigned to this individual provider in the NPPES registry on August 5, 2007.

Q: What is Kevin Kozak's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

Q: When was this NPI record last updated?

The NPPES record for Kevin Kozak was last updated on June 23, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since August 05, 2007PECOS EnrolledAccepts Medicare Assignment

707 14TH ST, BARABOO, WI 53913(608) 356-1400 Get Directions Write a Review

NPPES record last updated: June 23, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jun 23, 2025, Apr 13, 2021, Mar 15, 2021 (3 updates tracked since 2021).

On this page

About Kevin R Kozak Md, Phd NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

KEVIN R KOZAK MD, PHD (NPI 1124219241) is an individual radiation oncology provider in Baraboo, Wisconsin, licensed in Wisconsin (51615) and active in the NPI registry since August 2007. He is enrolled in Medicare PECOS, is affiliated with Javon Bea Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1124219241

Entity TypeIndividualMale

Primary Taxonomy2085R0001X

Provider Legal NameKEVIN R KOZAKCredential: MD, PHD

Location Address707 14TH STBaraboo, WI 53913-1539

Mailing Address707 14th StBaraboo, WI 53913-1539 · (608) 356-1400

Phone(608) 356-1400

Sole ProprietorNo

Medical School CMSVanderbilt University School Of MedicineGraduated 2003

Enumeration DateAugust 5, 2007

Last NPPES UpdateJune 23, 20253 updates tracked since enumeration

NPPES CertifiedJune 23, 2025

✔ NPI 1124219241 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Radiation OncologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0001X

Licenses✔ Licensed in WI · 51615✔ Licensed in FL · ME148357✔ Licensed in IL · 036121114

Definition

A radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.

707 14TH ST, Baraboo, WI 53913

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Secondary Practice Locations 2

Location 125243 Elementary WayBonita Springs, FL 34135-7898 · Phone (239) 317-2772 · Fax (239) 676-7637

Location 21000 Mineral Point AveJanesville, WI 53548-2940 · Phone (608) 756-6500 · Fax (608) 756-6501

Other Identifiers 4

OtherHVZ5RFL · Fl Blue

OtherNO241FL · Medicare

Medicaid109765700FL

OtherKOZAKKEVWI · Mercycare Insurance

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Kevin R Kozak Md, Phd is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3173696465

PECOS Enrollment IDI20080719000084, I20090127000736

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Kevin Kozak reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

University Of Wisconsin Medical Foundation, Inc

28 mi

Multi-Specialty

7974 UW HEALTH COURT
Middleton, WI 53562

Reassigned Medicare billing, Wisconsin enrollment
2,832 clinicians in this Medicare group

NPI 1598784555 (608) 829-5485

Shared Magnetic Resonance Imaging Facility, Inc

35 mi

Oncology, Radiation

1104 JOHN NOLEN DR, SUITE 1
Madison, WI 53713

Reassigned Medicare billing, Wisconsin enrollment
11 clinicians in this Medicare group

NPI 1780640532 (608) 251-6868

Agnesian Healthcare

45 mi

Mental Health (Including Community Mental Health Center)

200 FRONT ST, SUITE 3D
Beaver Dam, WI 53916

Reassigned Medicare billing, Wisconsin enrollment
606 clinicians in this Medicare group

NPI 1700817657 (920) 885-2780

The Monroe Clinic, Inc.

60 mi

Specialist

515 22ND AVE
Monroe, WI 53566

Reassigned Medicare billing, Wisconsin enrollment
376 clinicians in this Medicare group

NPI 1386720548 (608) 324-2770

Mercy Health System Corporation

65 mi

General Acute Care Hospital

1000 MINERAL POINT AVE
Janesville, WI 53548

Reassigned Medicare billing, Wisconsin and Illinois enrollments
Also billed through NPI 1598718603 (Illinois), NPI 1699728550 (Wisconsin)
1,155 clinicians in this Medicare group

NPI 1093768962 (608) 756-6000

Rockford Health Physicians

88 mi

Anesthesiology

2400 N ROCKTON AVE
Rockford, IL 61103

Reassigned Medicare billing, Illinois enrollment
1,375 clinicians in this Medicare group

NPI 1023275278 (815) 971-5000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 16

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Ct guidance for insertion of radiation therapy fields 77014

CT guidance for insertion of radiation therapy fields involves using a CT scan to accurately map the area of your body where radiation will be applied. This ensures the radiation targets only the necessary area, minimizing impact to healthy tissues.

760 services43 patients

Calculation of radiation therapy dose 77300

Radiation therapy dose calculation is a process to determine the exact amount of radiation needed to treat a specific area in the body. This calculation helps ensure the treatment is effective while minimizing harm to healthy tissues. It's a key part of planning your radiation therapy.

246 services67 patients

Radiation treatment management, 5 treatment sessions 77427

Radiation treatment management involves a series of 5 sessions where targeted radiation is used to destroy or shrink cancer cells in your body. Each session is carefully planned to maximize effectiveness while minimizing harm to healthy tissues. You may experience side effects which will be closely monitored and managed for your comfort.

223 services62 patients

Design and construction of complex radiation treatment device 77334

The design and construction of a complex radiation treatment device is a process where a specialized instrument is created. This device targets harmful cells with high-energy rays to destroy or damage them, while minimizing impact on healthy cells. This aids in treating conditions like cancer.

189 services72 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

142 services112 patients

Complex radiation therapy planning 77263

Complex radiation therapy planning is a process to determine the most effective way to deliver radiation to a specific area in your body. It involves detailed imaging to map your body's structure, allowing for precise targeting of cancer cells while sparing healthy tissue.

74 services70 patients

High precision radiation therapy planning 77301

High precision radiation therapy planning involves detailed mapping of your body to target cancer cells accurately. Advanced imaging techniques help identify the exact location of the tumor, minimizing harm to healthy tissues. This personalized approach enhances effectiveness and reduces side effects.

46 services44 patients

Design and construction of radiation treatment device for high precision radiation therapy 77338

A radiation treatment device is custom-made for each patient to target cancer cells with high precision. It's designed to focus radiation on the tumor, sparing healthy tissue. This process ensures effective therapy while minimizing side effects.

45 services43 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

41 services37 patients

Obtaining data needed to develop the optimal radiation treatment, 3 or more treatment areas or any number of treatment areas where special treatment is involved 77290

This procedure involves collecting necessary data to plan the best radiation treatment. It may cover 3 or more areas or any area requiring special attention. Data collection includes imaging scans and tests to understand the disease's extent and to tailor a precise, effective treatment plan.

38 services30 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

35 services35 patients

3d radiation therapy planning 77295

3D radiation therapy planning is a procedure that uses computer imaging to map out the area needing treatment. This ensures the radiation targets the disease precisely, while minimizing exposure to surrounding healthy tissues. It's a key step in preparing for effective radiation therapy.

27 services25 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

25 services25 patients

Obtaining data needed to develop the optimal radiation treatment, 1 treatment area 77280

This procedure involves gathering essential information to create the best radiation treatment plan for a specific area. It includes scanning the treatment area and using this data to calculate the precise dose of radiation needed to target the disease effectively, while sparing healthy tissue.

22 services20 patients

Special radiation treatment 77470

Special radiation treatment is a medical procedure that uses high-energy rays to destroy or damage cancer cells. It's a targeted approach that aims to minimize harm to healthy tissues. The treatment duration varies based on individual health conditions.

19 services19 patients

Obtaining respiratory data needed to develop the optimal radiation treatment 77293

Obtaining respiratory data is vital for optimal radiation treatment. This involves tracking your breathing patterns to ensure the precise delivery of radiation to the target area, minimizing damage to healthy tissue. It's a non-invasive process and contributes to effective treatment.

17 services17 patients

Hospital Affiliations CMS Care Compare 4

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Javon Bea Hospital

Acute Care Hospitals · Rockford, IL

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140239

Location8201 E Riverside BlvdRockford, IL 61114 · Winnebago County

Emergency services Birthing friendly

Ssm Health St Clare Hospital - Baraboo

Acute Care Hospitals · Baraboo, WI

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number520057

Location707 14th StBaraboo, WI 53913 · Sauk County

Emergency services Birthing friendly

Mercy Health System Corp

Acute Care Hospitals · Janesville, WI

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number520066

Location1000 Mineral Point AveJanesville, WI 53548 · Rock County

Emergency services Birthing friendly

Mercy Walworth Hospital & Medical Center

Critical Access Hospitals · Lake Geneva, WI

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number521357

LocationN2950 State Road 67Lake Geneva, WI 53147 · Walworth County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53913 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$163.24 typical visit price

range $53.90 – $163.24

Typical copayment $40.81 (range $13.47 – $40.81)

Most-billed visit code 99205

Established Patient

$67.37 typical visit price

range $17.40 – $133.76

Typical copayment $16.84 (range $4.35 – $33.44)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

LAURA J SACHTJEN

Dietitian, Registered

707 14TH ST
BARABOO, WI 53913

Sauk County (608) 356-1400

JOHN T STUNTEBECK RD

Dietitian, Registered

707 14TH ST
BARABOO, WI 53913

Sauk County (608) 356-1400

KAREN C SWALLEN MD

Hospitalist

707 14TH ST
BARABOO, WI 53913

Sauk County (608) 356-1400

HOLLY ANN FLOERKE PT

Physical Therapist

707 14TH ST
BARABOO, WI 53913

Sauk County (608) 356-1480

JEANNINE LILOETT LISE RD CD

Dietitian, Registered

707 14TH ST
BARABOO, WI 53913

Sauk County (608) 356-1400

CYDNEY SHANKS LAT, ATC

Specialist/Technologist (Athletic Trainer)

707 14TH ST
BARABOO, WI 53913

Sauk County (608) 356-1480

MS. DIANE L. HADSELL P.T.

Physical Therapist

707 14TH ST, ST. CLARE HOSPITAL AND HEALTH SERVICES
BARABOO, WI 53913

Sauk County (608) 356-1480

MR. JAMES TEWELES SHLIMOVITZ LAT

Specialist/Technologist (Athletic Trainer)

707 14TH ST
BARABOO, WI 53913

Sauk County (608) 356-1478

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Kevin Kozak's NPI number?

The NPI number for Kevin Kozak is 1124219241. It was assigned to this individual provider in the NPPES registry on August 5, 2007.

Where is Kevin Kozak located?

Kevin Kozak practices at 707 14th St, Baraboo, WI 53913. The listed phone number is (608) 356-1400.

What is Kevin Kozak's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

Is Kevin Kozak enrolled in Medicare?

Yes. Kevin Kozak is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Kevin Kozak's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kevin Kozak reassigns Medicare benefits to 6 organizations: University Of Wisconsin Medical Foundation, Inc (Middleton, WI), Shared Magnetic Resonance Imaging Facility, Inc (Madison, WI), Agnesian Healthcare (Beaver Dam, WI), The Monroe Clinic, Inc. (Monroe, WI), Mercy Health System Corporation (Janesville, WI) and 1 more organization, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Kevin Kozak's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Kevin Kozak accept?

Health plans from Anthem Blue Cross and Blue Shield list Kevin Kozak as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Kevin Kozak affiliated with any hospitals?

According to CMS data, Kevin Kozak is affiliated with Javon Bea Hospital, Ssm Health St Clare Hospital - Baraboo, Mercy Health System Corp and Mercy Walworth Hospital & Medical Center.

When was this NPI record last updated?

The NPPES record for Kevin Kozak was last updated on June 23, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.