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Pediatric Hematologists and Oncologists in Wisconsin

Data updated monthly · Last refresh October 2026

68 Pediatric Hematology & Oncology providers practice in Wisconsin. The largest concentration is in Milwaukee. Profiles include federal Open Payments records of money received from drug and device companies in 2025. Listings are drawn from federal public records and are not endorsements.

68providers
Milwaukeetop city

Pediatric Hematology & Oncology by city in Wisconsin

Choose a city to see providers there.

Pediatric Hematology & Oncology in Milwaukee36 providers
Pediatric Hematology & Oncology in Madison20 providers
Pediatric Hematology & Oncology in Green Bay5 providers
Pediatric Hematology & Oncology in La Crosse3 providers
Pediatric Hematology & Oncology in Middleton2 providers
Pediatric Hematology & Oncology in Marshfield1 providers
Pediatric Hematology & Oncology in Onalaska1 providers

Pediatric Hematology & Oncology providers in Wisconsin

Listed by city, largest first. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.

Dr. Michael Burke, M.D.
Milwaukee, WI · No drug or device payments recorded (2025) · (414) 456-4170
Dr. Nicole Liberio
Milwaukee, WI · No drug or device payments recorded (2025) · (414) 266-2420
Dr. Omar Banat
Milwaukee, WI · $21 in drug and device payments (2025) · (414) 955-4170
Dr. Paul Harker-murray, MD PHD
Milwaukee, WI · $27 in drug and device payments (2025) · (414) 456-4170
Dr. Peter Shaw, M.D.
Milwaukee, WI · No drug or device payments recorded (2025) · (414) 266-2420
Dr. Rachel Phelan, MD, MPH
Milwaukee, WI · $1,289 in drug and device payments (2025) · (414) 955-4170
Dr. Richard Tower, MD
Milwaukee, WI · $90 in drug and device payments (2025) · (414) 456-4170
Dr. Robert Montgomery, MD
Milwaukee, WI · No drug or device payments recorded (2025) · (414) 805-3666
Dr. Rowena Punzalan, MD
Milwaukee, WI · $90 in drug and device payments (2025) · (414) 937-6573
Dr. Ruchika Sharma, M.D
Milwaukee, WI · No drug or device payments recorded (2025) · (414) 955-4170
Dr. Ryan Guerrettaz, MD
Milwaukee, WI · $145 in drug and device payments (2025) · (414) 955-4575
Dr. Sarah Dobrozsi, M.D.
Milwaukee, WI · No drug or device payments recorded (2025) · (414) 805-3666
Dr. Sarah Rumler, DO
Milwaukee, WI · $7,824 in drug and device payments (2025) · (414) 955-4170
Dr. Sridhar Rao, M.D., PH.D.
Milwaukee, WI · No drug or device payments recorded (2025) · (414) 266-2420
Dr. Thomas Abshire, MD
Milwaukee, WI · No drug or device payments recorded (2025) · (414) 266-2420
Dr. Veronica Flood, M.D.
Milwaukee, WI · $10,368 in drug and device payments (2025) · (414) 456-4170
Dr. William Grossman, MD
Milwaukee, WI · No drug or device payments recorded (2025) · (414) 805-3666
Dr. Charles Peters, MD
Onalaska, WI · No drug or device payments recorded (2025) · (608) 392-5002

Common questions

How many Pediatric Hematology & Oncology providers are in Wisconsin?

There are 68 Pediatric Hematology & Oncology providers with active NPI records practicing in Wisconsin, according to federal NPPES data refreshed monthly.

Which cities in Wisconsin have the most Pediatric Hematology & Oncology providers?

Milwaukee (36), Madison (20), Green Bay (5) have the highest concentration of Pediatric Hematology & Oncology providers in Wisconsin.

How many Pediatric Hematology & Oncology providers in Wisconsin received drug or device company payments?

25 of 68 Pediatric Hematology & Oncology providers in Wisconsin (37%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.

Where does this data come from?

Provider counts and profiles come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.

Which hospitals do Pediatric Hematologists and Oncologists in Wisconsin work at?

According to CMS facility affiliation records, the Wisconsin hospitals where the most Pediatric Hematologists and Oncologists hold privileges are Froedtert Memorial Lutheran Hospital in Milwaukee; Childrens Hospital of Wisconsin in Milwaukee.

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Sources: NPPES (CMS), Doctors and Clinicians national files, CMS Open Payments 2025. Updated monthly. Records are public federal data and are not verified credentials, licensure checks, or endorsements. This directory is informational and not medical advice. How we build this directory. Are you a Pediatric Hematology & Oncology in Wisconsin? Get featured.