Hematology & Oncology in Waukesha, Wisconsin
Data updated monthly · Last refresh September 2026
9 Hematology & Oncology providers practice in Waukesha. Listings are drawn from federal public records and are not endorsements.
Hematology & Oncology providers in Waukesha
Listed alphabetically. 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. Christopher Hake, MDWaukesha, WI · $20 in drug and device payments (2025) · Telehealth ·
(262) 928-2570 Dr. Derek Serna, M.D.Waukesha, WI · $60 in drug and device payments (2025) · Telehealth ·
(262) 696-5690 Dr. Federico Sanchez, M.D.Waukesha, WI · No drug or device payments recorded (2025) ·
(262) 513-2033 Dr. Jonathan Kapke, DOWaukesha, WI · No drug or device payments recorded (2025) · Telehealth ·
(262) 696-5690 Dr. Kathleen Hemauer, M.D.Waukesha, WI · $21 in drug and device payments (2025) ·
(262) 696-5690 Dr. Laura Raftery, M.D.Waukesha, WI · $2,688 in drug and device payments (2025) · Telehealth ·
(262) 928-2570 Dr. Mohammad Raza, M.D.Waukesha, WI · No drug or device payments recorded (2025) · Telehealth ·
(262) 928-2570 Dr. Peter Johnson, M.D.Waukesha, WI · No drug or device payments recorded (2025) ·
(262) 928-5350 Dr. Timothy Wassenaar, MDWaukesha, WI · No drug or device payments recorded (2025) · Telehealth ·
(262) 696-5690 Conditions Hematology & Oncology providers in Waukesha, Wisconsin commonly treat
Patients often search by condition rather than specialty. These are conditions typically managed by Hematology & Oncology providers. Individual practices vary, so confirm with the provider before booking.
- Breast cancer
- Lung cancer
- Lymphoma
- Leukemia
- Anemia
- Blood disorders
Common questions
How many Hematology & Oncology providers are in Waukesha, Wisconsin?There are 9 Hematology & Oncology providers with active NPI records practicing in Waukesha, according to federal NPPES data refreshed monthly.
What conditions do Hematology & Oncology providers in Waukesha treat?Hematology & Oncology providers in Waukesha commonly treat breast cancer, lung cancer, lymphoma, leukemia, anemia and related conditions. Individual practices vary, so confirm with the provider before booking.
Where does this data come from?Provider records 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.
All specialties in Waukesha Hematology & Oncology across Wisconsin
