HealthcareDiscovery.AI / Doctors / Wisconsin / Madison / Hematology (Internal Medicine)

Hematology (Internal Medicine) in Madison, Wisconsin

Data updated monthly · Last refresh September 2026

11 Hematology (Internal Medicine) providers practice in Madison. Listings are drawn from federal public records and are not endorsements.

Hematology (Internal Medicine) providers in Madison

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. Bradford Schwartz, MD
Madison, WI · No drug or device payments recorded (2025) · (608) 265-1700
Dr. Christopher Fletcher, M.D.
Madison, WI · No drug or device payments recorded (2025) · (608) 265-8690
Dr. Danielle Atibalentja, M.D., PH.D.
Madison, WI · No drug or device payments recorded (2025) · Telehealth · (608) 915-0100
Dr. Deane Mosher, MD
Madison, WI · No drug or device payments recorded (2025) · (608) 265-1700
Dr. Eliot Williams, MD PHD
Madison, WI · No drug or device payments recorded (2025) · Telehealth · (608) 265-1700
Dr. Hongtao Liu
Madison, WI · $1,081 in drug and device payments (2025) · (608) 265-1700
Dr. John Sheehan, MD
Madison, WI · No drug or device payments recorded (2025) · Telehealth · (608) 265-1700
Dr. Julie Chang, M.D.
Madison, WI · $5,025 in drug and device payments (2025) · Telehealth · (608) 827-9665
Dr. Kim Dittus, MD, PHD
Madison, WI · No drug or device payments recorded (2025) · Telehealth · (608) 265-1700
Dr. Natalie Callander, MD
Madison, WI · $1,273 in drug and device payments (2025) · Telehealth · (608) 265-1700
Dr. Robert Woodson, MD
Madison, WI · No drug or device payments recorded (2025) · (608) 265-1700

Common questions

How many Hematology (Internal Medicine) providers are in Madison, Wisconsin?

There are 11 Hematology (Internal Medicine) providers with active NPI records practicing in Madison, according to federal NPPES data refreshed monthly.

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 Madison Hematology (Internal Medicine) across Wisconsin

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.