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Home > WI Providers > Radiation Oncologists

Dr. Kevin R. Kozak, MD, PHD

(3 Ratings)

Specializes in: Radiation Oncology

707 14th Street
Baraboo, WI 53913

(608) 356-1400

Dr. Kevin R. Kozak, MD, PHD is a radiation oncologist in Janesville, WI specializing in radiation oncology.

Office Locations

1000 Mineral Point Avenue
Janesville, WI 53548

(608) 756-6500

(608) 756-6501

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25243 Elementary Way
Bonita Springs, FL 34135

(239) 317-2772

(239) 676-7637

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707 14th Street
Baraboo, WI 53913

(608) 356-1400

open_in_new

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

Volume of procedures performed by Dr. Kevin R. Kozak, MD, PHD for Medicare patients.

doctor visit	157

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Kevin R. Kozak, MD, PHD treated as a radiation oncologist in Janesville, WI during 2013 were radiation therapy.

Volume of procedures performed by Dr. Kevin R. Kozak, MD, PHD for Medicare patients.

doctor visit	411
radiation therapy	28

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Kevin R. Kozak, MD, PHD.

**Gender**
Male	75
Female	70

**Age**
From 65 to 74	72
From 75 to 84	49
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Kevin R. Kozak, MD, PHD in 2013

Hypertension	62
High Cholesterol	49
Stroke	0
Ischemic Heart Disease	23
Depression	28
Chronic Kidney Disease	27
Asthma	8
Osteoperosis	9
Atrial Fibrilation	10
Heart Failure	14
Chronic Obstructive Pulmonary Disease	32
Diabetes	23
Dementia	0
Cancer	74

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Kevin R. Kozak, MD, PHD treated as a radiation oncologist in Janesville, WI during 2014 were radiation therapy.

Volume of procedures performed by Dr. Kevin R. Kozak, MD, PHD for Medicare patients.

doctor visit	713
radiation therapy	22

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Kevin R. Kozak, MD, PHD.

**Gender**
Male	113
Female	90

**Age**
From 65 to 74	103
From 75 to 84	56
85 and over	17
Less than 65	27

Conditions of Medicare patients treated by Dr. Kevin R. Kozak, MD, PHD in 2014

Hypertension	62
High Cholesterol	50
Stroke	0
Ischemic Heart Disease	29
Depression	26
Chronic Kidney Disease	21
Asthma	7
Osteoperosis	6
Atrial Fibrilation	9
Heart Failure	16
Chronic Obstructive Pulmonary Disease	26
Diabetes	25
Dementia	0
Cancer	72

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Kevin R. Kozak, MD, PHD treated as a radiation oncologist in Janesville, WI during 2015 were radiation therapy.

Volume of procedures performed by Dr. Kevin R. Kozak, MD, PHD for Medicare patients.

doctor visit	801
radiation therapy	28

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Kevin R. Kozak, MD, PHD.

**Gender**
Male	258
Female	200

**Ethnicity**
Non-Hispanic White	432
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	244
From 75 to 84	118
85 and over	36
Less than 65	60

Conditions of Medicare patients treated by Dr. Kevin R. Kozak, MD, PHD in 2015

Hypertension	66
High Cholesterol	56
Stroke	7
Ischemic Heart Disease	31
Depression	23
Chronic Kidney Disease	27
Asthma	16
Osteoperosis	7
Atrial Fibrilation	9
Heart Failure	13
Chronic Obstructive Pulmonary Disease	24
Diabetes	28
Dementia	8
Cancer	72

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Kevin R. Kozak, MD, PHD treated as a radiation oncologist in Janesville, WI during 2016 were radiation therapy.

Volume of procedures performed by Dr. Kevin R. Kozak, MD, PHD for Medicare patients.

doctor visit	822
radiation therapy	31

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Kevin R. Kozak, MD, PHD.

**Gender**
Male	153
Female	118

**Age**
From 65 to 74	139
From 75 to 84	76
85 and over	19
Less than 65	37

Conditions of Medicare patients treated by Dr. Kevin R. Kozak, MD, PHD in 2016

Hypertension	56
High Cholesterol	51
Stroke	6
Ischemic Heart Disease	24
Depression	21
Chronic Kidney Disease	31
Asthma	25
Osteoperosis	9
Atrial Fibrilation	8
Heart Failure	14
Chronic Obstructive Pulmonary Disease	27
Diabetes	24
Dementia	9
Cancer	72

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Kevin R. Kozak, MD, PHD treated as a radiation oncologist in Janesville, WI during 2017 were radiation therapy and blood draw.

Volume of procedures performed by Dr. Kevin R. Kozak, MD, PHD for Medicare patients.

blood draw	12
doctor visit	789
radiation therapy	23

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Kevin R. Kozak, MD, PHD.

**Gender**
Male	161
Female	100

**Ethnicity**
Non-Hispanic White	245
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	129
From 75 to 84	82
85 and over	23
Less than 65	27

Conditions of Medicare patients treated by Dr. Kevin R. Kozak, MD, PHD in 2017

Hypertension	64
High Cholesterol	53
Stroke	5
Ischemic Heart Disease	26
Depression	23
Chronic Kidney Disease	36
Asthma	7
Osteoperosis	7
Atrial Fibrilation	9
Heart Failure	18
Chronic Obstructive Pulmonary Disease	25
Diabetes	30
Dementia	9
Cancer	75

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Kevin R. Kozak, MD, PHD treated as a radiation oncologist in Janesville, WI during 2018 were blood draw, radiation therapy, minimally invasive procedures and laryngeal (voice box) procedures.

Volume of procedures performed by Dr. Kevin R. Kozak, MD, PHD for Medicare patients.

blood draw	37
doctor visit	697
laryngeal (voice box) procedures	17
minimally invasive procedures	17
radiation therapy	27

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Kevin R. Kozak, MD, PHD.

**Gender**
Male	169
Female	96

**Ethnicity**
Non-Hispanic White	247
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	143
From 75 to 84	76
85 and over	19
Less than 65	27

Conditions of Medicare patients treated by Dr. Kevin R. Kozak, MD, PHD in 2018

Hypertension	65
High Cholesterol	59
Stroke	5
Ischemic Heart Disease	31
Depression	22
Chronic Kidney Disease	34
Asthma	5
Osteoperosis	11
Atrial Fibrilation	12
Heart Failure	20
Chronic Obstructive Pulmonary Disease	23
Diabetes	32
Dementia	6
Cancer	75

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Kevin R. Kozak, MD, PHD treated as a radiation oncologist in Janesville, WI during 2019 were radiation therapy, minimally invasive procedures and laryngeal (voice box) procedures.

Volume of procedures performed by Dr. Kevin R. Kozak, MD, PHD for Medicare patients.

doctor visit	913
laryngeal (voice box) procedures	14
minimally invasive procedures	14
radiation therapy	29

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Kevin R. Kozak, MD, PHD.

**Gender**
Male	203
Female	110

**Age**
From 65 to 74	176
From 75 to 84	87
85 and over	18
Less than 65	32

Conditions of Medicare patients treated by Dr. Kevin R. Kozak, MD, PHD in 2019

Hypertension	67
High Cholesterol	59
Stroke	4
Ischemic Heart Disease	34
Depression	22
Chronic Kidney Disease	34
Asthma	5
Osteoperosis	11
Atrial Fibrilation	12
Heart Failure	21
Chronic Obstructive Pulmonary Disease	24
Diabetes	28
Dementia	7
Cancer	75

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Kevin R. Kozak, MD, PHD treated as a radiation oncologist in Janesville, WI during 2020 were radiation therapy, minimally invasive procedures and laryngeal (voice box) procedures.

Volume of procedures performed by Dr. Kevin R. Kozak, MD, PHD for Medicare patients.

doctor visit	616
laryngeal (voice box) procedures	13
minimally invasive procedures	13
radiation therapy	23

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Kevin R. Kozak, MD, PHD.

**Gender**
Male	194
Female	110

**Ethnicity**
Non-Hispanic White	291
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	166
From 75 to 84	93
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Kevin R. Kozak, MD, PHD in 2020

Hypertension	56
High Cholesterol	51
Stroke	4
Ischemic Heart Disease	32
Depression	24
Chronic Kidney Disease	31
Asthma	0
Osteoperosis	13
Atrial Fibrilation	11
Heart Failure	16
Chronic Obstructive Pulmonary Disease	21
Diabetes	25
Dementia	6
Cancer	74

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Kevin R. Kozak, MD, PHD treated as a radiation oncologist in Janesville, WI during 2021 were radiation therapy.

Volume of procedures performed by Dr. Kevin R. Kozak, MD, PHD for Medicare patients.

doctor visit	160
radiation therapy	166

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Kevin R. Kozak, MD, PHD.

**Gender**
Male	111
Female	68

**Ethnicity**
Non-Hispanic White	165
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	92
From 75 to 84	54
85 and over	18
Less than 65	15

Conditions of Medicare patients treated by Dr. Kevin R. Kozak, MD, PHD in 2021

Hypertension	61
High Cholesterol	64
Stroke	8
Ischemic Heart Disease	44
Depression	22
Chronic Kidney Disease	35
Asthma	6
Osteoperosis	9
Atrial Fibrilation	16
Heart Failure	21
Chronic Obstructive Pulmonary Disease	22
Diabetes	24
Dementia	9
Cancer	75

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Kevin R. Kozak, MD, PHD treated as a radiation oncologist in Janesville, WI during 2022 were radiation therapy.

Volume of procedures performed by Dr. Kevin R. Kozak, MD, PHD for Medicare patients.

doctor visit	469
radiation therapy	147

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Kevin R. Kozak, MD, PHD.

**Gender**
Male	185
Female	97

**Ethnicity**
Non-Hispanic White	260
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	146
From 75 to 84	83
85 and over	28
Less than 65	25

Conditions of Medicare patients treated by Dr. Kevin R. Kozak, MD, PHD in 2022

Hypertension	70
High Cholesterol	69
Stroke	7
Ischemic Heart Disease	22
Depression	17
Chronic Kidney Disease	19
Asthma	7
Osteoperosis	13
Atrial Fibrilation	13
Heart Failure	12
Chronic Obstructive Pulmonary Disease	16
Diabetes	25
Dementia	4
Cancer	75

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Kevin R. Kozak, MD, PHD treated as a radiation oncologist in Janesville, WI during 2023 were radiation therapy.

Volume of procedures performed by Dr. Kevin R. Kozak, MD, PHD for Medicare patients.

doctor visit	632
radiation therapy	20

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Kevin R. Kozak, MD, PHD.

**Gender**
Male	163
Female	94

**Ethnicity**
Non-Hispanic White	245
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	137
From 75 to 84	81
85 and over	22
Less than 65	17

Conditions of Medicare patients treated by Dr. Kevin R. Kozak, MD, PHD in 2023

Hypertension	66
High Cholesterol	69
Stroke	9
Ischemic Heart Disease	26
Depression	19
Chronic Kidney Disease	21
Asthma	7
Osteoperosis	14
Atrial Fibrilation	20
Heart Failure	17
Chronic Obstructive Pulmonary Disease	19
Diabetes	27
Dementia	7
Cancer	74

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

The top procedures that Dr. Kevin R. Kozak, MD, PHD treated as a radiation oncologist in Janesville, WI during 2024 were radiation therapy.

Volume of procedures performed by Dr. Kevin R. Kozak, MD, PHD for Medicare patients.

doctor visit	466
radiation therapy	19

2024 Medicare Patient Data

Information about Medicare patients treated by Dr. Kevin R. Kozak, MD, PHD.

**Gender**
Male	133
Female	90

**Ethnicity**
Non-Hispanic White	210
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	96
From 75 to 84	85
85 and over	26
Less than 65	16

Conditions of Medicare patients treated by Dr. Kevin R. Kozak, MD, PHD in 2024

Hypertension	70
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	22
Depression	27
Chronic Kidney Disease	25
Asthma	6
Osteoperosis	16
Atrial Fibrilation	18
Heart Failure	19
Chronic Obstructive Pulmonary Disease	22
Diabetes	28
Dementia	7
Cancer	75

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Volume of procedures performed by Dr. Kevin R. Kozak, MD, PHD for Medicare patients.

The highest averages for the top procedures that Dr. Kevin R. Kozak, MD, PHD treated as a radiation oncologist in Janesville, WI were radiation therapy, blood draw, minimally invasive procedures and laryngeal (voice box) procedures.

blood draw	24
doctor visit	588
laryngeal (voice box) procedures	14
minimally invasive procedures	14
radiation therapy	46

Average Medicare Patient Data From 2012 - 2024

Information about Medicare patients treated by Dr. Kevin R. Kozak, MD, PHD.

**Gender**
Male	147
Female	95

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	161
Hispanic	0
Native American / Alaskan Native	0
Other	0

**Age**
85 and over	17
75 to 84	72
Less than 65	21
65 to 74	126

Average of Total of Conditions of Medicare patients treated by Dr. Kevin R. Kozak, MD, PHD From 2012 - 2024

The highest averages of the most common conditions of Medicare patients that Dr. Kevin R. Kozak, MD, PHD treated were cancer, hypertension, high cholesterol and chronic kidney disease.

Hypertension	58
High Cholesterol	54
Stroke	4
Ischemic Heart Disease	26
Depression	21
Chronic Kidney Disease	26
Asthma	7
Osteoporosis	9
Heart Failure	15
Chronic Obstructive Pulmonary Disease	21
Diabetes	24
Atrial Fibrillation	11
Cancer	68
Dementia	5

Education & Training

He has a state license in Illinois.

Licensed In: Illinois

Ratings & Reviews

Dr. Kevin R. Kozak, MD, PHD has an exceptional overall rating with an average of 5.0 out of 5 stars based on 3 ratings. We collect ratings and reviews of Dr. Kevin R. Kozak, MD, PHD from all over the web to help you find the right in Janesville, WI.

Overall Rating

(3 Ratings)

Leave a Review

General Payments

These charts describe general payments received by Dr. Kevin R. Kozak, MD, PHD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
Inari Medical, Inc.	$254 CT THROMBECTOMY SYSTEM KIT $254
Novocure Inc.	$136 Optune $116	OPTUNE LUA (NOVOTTF-200T) $19
Alexion Pharmaceuticals, Inc.	$125 ULTOMIRIS $125
Accuray Incorporated	$99 TomoTherapy System $99
Bayer HealthCare Pharmaceuticals Inc.	$50 Xofigo $50
Other	$26 Surgical planning and navigation radiation treatment planning and positioning $26

**Types of Payments**
Food and Beverage	$688

Biography

Dr. Kevin Kozak is a radiation oncology specialist. On average, patients gave him a rating of 5.0 stars (out of 5).

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Dr. Kevin R. Kozak, MD, PHD

Office Locations

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

2013 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Kevin R. Kozak, MD, PHD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Kevin R. Kozak, MD, PHD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Kevin R. Kozak, MD, PHD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Kevin R. Kozak, MD, PHD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Kevin R. Kozak, MD, PHD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Kevin R. Kozak, MD, PHD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Kevin R. Kozak, MD, PHD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Kevin R. Kozak, MD, PHD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Kevin R. Kozak, MD, PHD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Kevin R. Kozak, MD, PHD in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Kevin R. Kozak, MD, PHD in 2023

Medicare Procedure and Patient Information

2024 Medicare Procedure Volume

2024 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Kevin R. Kozak, MD, PHD in 2024

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2024

Average Medicare Patient Data From 2012 - 2024

Average of Total of Conditions of Medicare patients treated by Dr. Kevin R. Kozak, MD, PHD From 2012 - 2024

Education & Training

Ratings & Reviews

General Payments

Biography

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