Physician

Kevin R Kozak, MD, PHD

According to 2025 Medicare claims, Kevin Kozak, MD, PHD (NPI: 1124219241) practices radiation oncology in the Janesville-Beloit, WI market, with the plurality of this provider's patient population coming from Rock, WI. This provider's primary affiliated billing organization is MERCY HEALTH SYSTEM CORPORATION (NPI: 1598718603; TIN: 390816848) and primary practice location at 53548-2940. Kozak is affiliated with the Mercy Health Corporation (ACO ID: A2097) and UW Health ACO, Inc (ACO ID: A5500), participating under the MSSP model.

Kozak's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 223 traditional Medicare patients, billed 2,050 HCPCS/CPT codes, and received $137,647 in Medicare payments. The top billing code was 77427 (Radiation treatment management, 5 treatment sessions). Part D data shows 388 prescription claims across 145 beneficiaries totaling $15,530 in drug costs, led by Tamsulosin Hcl (Tamsulosin Hcl). DME data shows 11 claims. Open Payments data shows 4 records totaling $308. You can download detailed data with all billing codes (2015-2024). For more recent data, please contact us.

Over the past 10 years, this provider's Medicare Part B carrier billing has moved up and down with repeated peaks and valleys, starting at $203,703 and ending at $137,647. Concurrently, Part D prescription costs have moved up and down with repeated peaks and valleys, starting at $8,679 and ending at $15,530. For DME billing, this provider has fewer than 5 years of reported data, so a reliable trend cannot be assigned.

Part B Carrier Billing Trend

Medicare payment trend, with N of patients and claim lines in the table.

Year	Patients	Clm Lines	Payment
2015	229	3,399	$203,703
2016	271	3,593	$219,087
2017	261	3,161	$189,476
2018	265	3,045	$171,679
2019	313	3,877	$232,547
2020	304	2,688	$167,168
2021	179	1,465	$254,975
2022	282	2,833	$304,458
2023	257	2,849	$181,946
2024	223	2,050	$137,647

Part D Events Trend

Drug cost trend, with N of patients and prescription claims in the table.

Year	Patients	Claims	Drug Cost
2015	70	184	$8,679
2016	104	333	$17,200
2017	104	321	$14,498
2018	100	339	$15,642
2019	143	418	$14,063
2020	149	437	$14,927
2021	80	179	$5,519
2022	109	232	$7,073
2023	164	544	$17,708
2024	145	388	$15,530

DME Billing Trend

Medicare payment trend, with N of patients and DME claim records in the table.

Year	Patients	Claims	Payment
2015	N/R	N/R	N/R
2016	N/R	N/R	N/R
2017	N/R	N/R	N/R
2018	N/R	14	$569
2019	N/R	N/R	N/R
2020	N/R	15	$110
2021	N/R	N/R	N/R
2022	N/R	N/R	N/R
2023	N/R	N/R	N/R
2024	N/R	11	$312

* / # = suppressed by CMS; 0 = reported zero; N/R = not reported or blank.

Top 5 Part B carrier billing codes in 2024

By total payments.

Code	Description	Patients	Clm Lines	Total Payment
77427	Radiation treatment management, 5 treatment sessions	62	223	$142
77263	Complex radiation therapy planning	70	74	$126
77334	Design and construction of complex radiation treatment device	72	189	$48
77300	Calculation of radiation therapy dose	67	246	$26
99212	Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	112	142	$22

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Tamsulosin Hcl	Tamsulosin Hcl	157	13,695	$2,949
Memantine Hcl	Memantine Hcl	23	1,765	$1,522
Oxycodone Hcl	Oxycodone Hcl	25	265	$696
Dexamethasone	Dexamethasone	13	393	$303
Gabapentin	Gabapentin	21	663	$253

Top 5 DME services in 2024

By Total Medicare Payment Amount.

HCPCS Code	HCPCS Description	Supplier Rental Indicator	Total Supplier Beneficiaries	Total Supplier Claims	Total Medicare Payment Amount
E0600	Respiratory suction pump, home model, portable or stationary, electric	Y	N/R	11	$312

Open Payments Summary in 2024

Category	Definition	Records	Total Reported Amount	Top Related Entity
General Payments	Reported payment or transfer-of-value amount.	4	$308	Inari Medical, Inc.
Research Payments	Reported research-related payment or transfer-of-value amount.	0	$0	N/R
Ownership / Investment Interests	Reported value of ownership or investment interests.	0	$0	N/R

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FAQ

What Medicare data is available for Kevin R. Kozak, MD, PHD?

Tedicare shows public-source Medicare data for Kevin R. Kozak, MD, PHD (NPI 1124219241), including provider identity, specialty, market context, Medicare Part B activity, Part D prescribing, DME records, Open Payments where available, billing organization details, and ACO affiliation signals where available. Profile data covers 2015-2024, with current attribution based on 2025 claims where available.

Does Kevin R. Kozak, MD, PHD have ACO affiliation data?

Kevin R. Kozak, MD, PHD is shown with ACO affiliation data for Mercy Health Corporation (MSSP, ACO ID A2097) and UW Health ACO, Inc (MSSP, ACO ID A5500).

What billing organization is linked to Kevin R. Kozak, MD, PHD?

Kevin R. Kozak, MD, PHD is linked to MERCY HEALTH SYSTEM CORPORATION (billing NPI 1598718603) in the available physician profile data.

Does Kevin R. Kozak, MD, PHD have Open Payments data?

Kevin R. Kozak, MD, PHD has 4 connected Open Payments records in the available 2024 summary data.

Can I download physician-level Medicare data from Tedicare?

Yes. Tedicare provides sample physician export data and paid custom physician data exports for research, planning, outreach, and market analysis. Exports can include physician profile fields, market and specialty context, billing organization details, ACO affiliation signals where available, and Medicare utilization data.