Primary practice
Find Dr. Duvnjak's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Duvnjak practices at ProHealth Waukesha Memorial Hospital in Waukesha, Wisconsin, part of ProHealth Care.
Dr. Duvnjak's NPI, 1922394436, was assigned on June 22, 2011. Dr. Duvnjak graduated from Medical College of Wisconsin in 2011. Dr. Duvnjak holds Wisconsin license 60906.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Duvnjak's primary practice is ProHealth Waukesha Memorial Hospital, at 725 American Ave, Waukesha, WI 53188 in Waukesha County. The practice phone is (262) 928-1000.
Source: Dmand AI Affiliation Data
Dr. Duvnjak's primary practice is ProHealth Waukesha Memorial Hospital in Waukesha, Wisconsin, part of ProHealth Care. Dr. Duvnjak is also affiliated with Froedtert Hospital. The medical group on file is Froedtert & the Medical College of Wisconsin Community Physicians. Dmand AI also links Dr. Duvnjak to 2 more hospitals, 4 medical groups and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Duvnjak practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| ProHealth Waukesha Memorial Hospital | Available with a free account |
| +4 more sites and 4 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Diagnostic radiology is Dr. Duvnjak's primary specialty in the NPI Registry, under taxonomy code 2085R0202X. Dmand AI has Dr. Duvnjak's licenses on file in 3 states: Wisconsin, Connecticut and Kentucky.
Counts of diagnostic radiologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
CMS data shows 19,914 Medicare services from Dr. Duvnjak across 40 procedure codes in 2024, for 2,608 Medicare patients. Medicare paid $129,915 for them.
Medians across 758 diagnostic radiologists in Wisconsin with Dmand AI profiles that report each measure.
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Duvnjak and other diagnostic radiologists in Wisconsin.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
CMS counts 2,608 Medicare patients who saw Dr. Duvnjak in 2024. The largest group is 65 to 74, with 1,107 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 9% are also on Medicaid. Their average risk score is 1.59, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Duvnjak's median patient age at 71, with 52% women.
Share of Medicare patients with each condition. A patient can have several.
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Median age 71
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Duvnjak accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dmand AI links Dr. Duvnjak to 1 clinical trial. 1 is still active or recruiting. Conditions studied include Deafness, Autosomal Recessive 39 and Neoplasm Metastasis. Open Payments lists research payments to Dr. Duvnjak that name 2 trials.
Conditions in Dr. Duvnjak's trials
Sources: Open Payments (CMS), 2025 data, released July 7, 2026; ClinicalTrials.gov (National Library of Medicine); and Dmand AI Research Linkage
CMS Open Payments shows 171 general payments to Dr. Duvnjak from 7 drug and device companies from 2017 to 2025. Consulting fees make up the largest share, 100% of the total. Merck Sharp & Dohme Corporation paid the most, $569,823. It also lists 19 research payments totaling $25,951 from 2022 to 2025, naming 2 clinical trials.
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Duvnjak graduated from Medical College of Wisconsin in 2011.
Source: Dmand AI Professional Profile Data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Clinical trials and co-investigators | ClinicalTrials.gov (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
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Dr. Petar Duvnjak's NPI number is 1922394436. It was assigned on June 22, 2011, and it is active in the NPI Registry.
Dr. Petar Duvnjak is a diagnostic radiologist in Waukesha, Wisconsin. The primary specialty in the NPI Registry is Diagnostic Radiology Physician (taxonomy code 2085R0202X).
Dr. Duvnjak practices at 725 American Ave, Waukesha, WI 53188. Dr. Duvnjak's primary practice is ProHealth Waukesha Memorial Hospital in Waukesha, Wisconsin, part of ProHealth Care. Dmand AI also links Dr. Duvnjak to 2 hospitals, 4 medical groups and 1 group practice or clinic.
The practice phone on file for Dr. Duvnjak is (262) 928-1000.
Dr. Duvnjak holds Wisconsin license 60906, one of the licenses on file in 3 states.
Dmand AI has state licenses on file for Dr. Duvnjak in Wisconsin, Connecticut and Kentucky.
Dr. Duvnjak practices at ProHealth Waukesha Memorial Hospital in Waukesha, Wisconsin. Dr. Duvnjak is also affiliated with Froedtert Hospital. Dmand AI links Dr. Duvnjak to 2 more hospitals.
Dr. Duvnjak is linked to Froedtert & the Medical College of Wisconsin Community Physicians. Dmand AI links Dr. Duvnjak to 4 more medical groups.
Yes. CMS data shows Dr. Duvnjak billed Medicare for 19,914 services in 2024, and Dr. Duvnjak accepts Medicare assignment.
CMS counts 2,608 Medicare patients who saw Dr. Duvnjak in 2024, with an average age of 75.
In 2024, Dr. Duvnjak's most billed Medicare services were medicare temporary code (Q9967), diagnostic imaging (71045) and diagnostic imaging (74177).
Dr. Duvnjak graduated from Medical College of Wisconsin in 2011.
CMS Open Payments shows $572,697 in general payments to Dr. Duvnjak from 7 companies from 2017 to 2025. The largest total came from Merck Sharp & Dohme Corporation.
Dr. Duvnjak graduated from medical school in 2011, 15 years ago.
Dr. Duvnjak has worked on 1 clinical trial.
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