Kevin Kozak, MD, PHD
Radiation Oncology Physician · Baraboo, WI
Kevin Kozak, MD, PHD is a radiation oncology physician with a practice address in Baraboo, Wisconsin, and NPI 1124219241, issued on Aug 5, 2007. Check the license on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Kevin Kozak
- Credential
- MD, PHD
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- Practice location
- 707 14TH St, Baraboo, WI 53913
- Phone
- (608) 356-1400
- Enumerated
- Aug 5, 2007
- Entity
- Type 1 · individual
Also registered at 707 14TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alison AllstadtAudiologist1871978510
- Antoinette Ankenbrandt, PAPhysician Assistant1790748622
- Daniel Beaver, MDEmergency Medical Services (Emergency Medicine) Physician1558340539
- Edward Bueno, MDEmergency Medical Services (Emergency Medicine) Physician1568441087
- Reva Decorah, RNRegistered Nurse1487479788
- Daniel Dingmann, MSClinical Exercise Physiologist1568700789
Verify Kevin Kozak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining BoardCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
2.9 times the Medicare Part D claims of the average radiation oncology physician in 2024
388 Medicare Part D claims for 145 beneficiaries, against an average of 135 among the 4,225 providers of this specialty who prescribed in Part D. 42 claims were for opioids.
Most prescribed
- Tamsulosin Hcl157 claims
- Oxycodone Hcl25 claims
- Memantine Hcl23 claims
- Gabapentin21 claims
- Lidocaine Hcl Viscous16 claims
- Lorazepam16 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $307.74
4 payments, mostly food and beverage; the largest payer was Inari Medical, Inc.. The 2,851 providers of this specialty with any payment received $1,903.20 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
3 hospital and facility affiliations
- Mercy Health System CorporationJanesville, WI
- Rockford Health PhysiciansRockford, IL
- Shared Magnetic Resonance Imaging Facility IncMadison, WI
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Radiation Oncology Physician providers in Wisconsin
There are 139 radiation oncology physician records in Wisconsin.
Other radiation oncology physician records in Wisconsin
- Now Bahar Alam, MDEau Claire, WI1508363532
- Bethany Anderson, M.D.Madison, WI1629001417
- Richard Auchter, MDMadison, WI1366404329
- Musaddiq Awan, M.D.Milwaukee, WI1205279957
- James Baer, MDEau Claire, WI1275531493
- Patricia Barrett, MDMadison, WI1184690836
- Darryl BartonWausau, WI1609822774
- Andrew BaschnagelMadison, WI1578793048
- Michael BassettiMadison, WI1639332158
- Kenneth Bastin, MDMilwaukee, WI1457393431
Common questions
What is Kevin Kozak, MD, PHD's NPI number?
Kevin Kozak, MD, PHD's National Provider Identifier (NPI) is 1124219241, issued on Aug 5, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Kevin Kozak, MD, PHD located?
The NPPES record lists a practice address at 707 14TH St, Baraboo, WI, 53913. Phone: (608) 356-1400. Providers update this record themselves, so call before visiting.
How can I verify Kevin Kozak, MD, PHD's license?
Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Kevin Kozak, MD, PHD prescribe under Medicare Part D?
In 2024, Kevin Kozak, MD, PHD had 388 Medicare Part D claims for 145 beneficiaries; the average among radiation oncology physician prescribers was 135. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.