Anesthesiologists in Wisconsin
Data updated monthly · Last refresh October 2026
1,319 Anesthesiology providers practice in Wisconsin, including 19 (1%) offering telehealth. 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.
1,319providers
19telehealth
Milwaukeetop city
Anesthesiology by city in Wisconsin
Choose a city to see providers there.
Anesthesiology 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. Douglas Bell, M.D.Milwaukee, WI · $125 in drug and device payments (2025) ·
(414) 649-6000 Dr. Eckehard Stuth, MDMilwaukee, WI · No drug or device payments recorded (2025) ·
(414) 266-3560 Dr. Edward Bryke, M.D.Milwaukee, WI · No drug or device payments recorded (2025) ·
(414) 291-1000 Dr. Elizabeth Ellinas, MDMilwaukee, WI · No drug or device payments recorded (2025) ·
(414) 805-3666 Dr. Emad Barsoum, MDMilwaukee, WI · $241 in drug and device payments (2025) ·
(414) 649-6000 Dr. Emmeline O'leary, MDMilwaukee, WI · No drug or device payments recorded (2025) ·
(414) 805-8700 Dr. Eric Nelson, M.D.Milwaukee, WI · $153 in drug and device payments (2025) ·
(414) 649-6000 Dr. Erik Bergersen, M.D.Milwaukee, WI · No drug or device payments recorded (2025) ·
(414) 649-6000 Dr. Esther Haitsma, MDMilwaukee, WI · No drug or device payments recorded (2025) ·
(414) 805-8700 Dr. Ethan Wasson, MDMilwaukee, WI · No drug or device payments recorded (2025) ·
(414) 805-6100 Dr. Eva Hanko, MDMilwaukee, WI · No drug or device payments recorded (2025) ·
(414) 805-3666 Dr. Evan GermanMilwaukee, WI · No drug or device payments recorded (2025) ·
(414) 955-4578 Dr. Fahimuddin Kazi, MDMilwaukee, WI · $45 in drug and device payments (2025) ·
(414) 266-3560 Dr. Francisco BarriosMilwaukee, WI · No drug or device payments recorded (2025) ·
(414) 805-8700 Dr. Francisco Mendoza Garces, MDMilwaukee, WI · No drug or device payments recorded (2025) ·
(414) 446-1111 Dr. Francis Seiler, M.D.Milwaukee, WI · No drug or device payments recorded (2025) ·
(414) 805-8700 Dr. Frank Dijak, MD, MBAMilwaukee, WI · No drug or device payments recorded (2025) ·
(414) 805-7455 Dr. Franklin Ruiz, MDMilwaukee, WI · No drug or device payments recorded (2025) ·
(414) 266-3560 Dr. Frederik Rebling, M.D.Milwaukee, WI · No drug or device payments recorded (2025) ·
(414) 805-8700 Dr. Gabriel Rodriguez, MDMilwaukee, WI · No drug or device payments recorded (2025) ·
(414) 805-6100 Dr. Gail Butterfield, MDMilwaukee, WI · $46 in drug and device payments (2025) ·
(414) 805-8700 Dr. George Brodzinski, M.D.Milwaukee, WI · No drug or device payments recorded (2025) ·
(414) 649-6000 Dr. Gerard W. Graham, M.D.Milwaukee, WI · No drug or device payments recorded (2025) ·
(414) 291-1000 Dr. Graham Hill, D.O.Milwaukee, WI · No drug or device payments recorded (2025) ·
(414) 649-6000 Dr. Gregory Boulanger, M.D.Milwaukee, WI · No drug or device payments recorded (2025) ·
(414) 961-3300 Dr. Gregory Downs, M.D.Milwaukee, WI · No drug or device payments recorded (2025) ·
(414) 291-1000 Dr. Gregory Felsheim, MDMilwaukee, WI · No drug or device payments recorded (2025) ·
(414) 219-2000 Dr. Hajime Iwasaki, MD, PHDMilwaukee, WI · No drug or device payments recorded (2025) ·
(414) 805-8700 Dr. Hans Christian Diederich, MDMilwaukee, WI · $91 in drug and device payments (2025) ·
(414) 805-8700 Dr. Harvey Woehlck, MDMilwaukee, WI · $21 in drug and device payments (2025) ·
(414) 805-8700 Dr. Heather Green, MDMilwaukee, WI · $52 in drug and device payments (2025) ·
(414) 222-5529 Dr. Heather Wichman, MDMilwaukee, WI · No drug or device payments recorded (2025) ·
(414) 219-2000 Dr. Hemanckur MakkerMilwaukee, WI · $5,700 in drug and device payments (2025) ·
(414) 805-6104 Dr. Henry Liu, MDMilwaukee, WI · No drug or device payments recorded (2025) ·
(414) 805-3666 Dr. Holger Baumann, MDMilwaukee, WI · $136 in drug and device payments (2025) ·
(414) 805-8700 Dr. Holger Wienzek, MD, MBAMilwaukee, WI · No drug or device payments recorded (2025) ·
(414) 805-2715 Dr. Ian BorsecnikMilwaukee, WI · No drug or device payments recorded (2025) ·
(414) 805-8700 Dr. Jaime Yamat, MDMilwaukee, WI · No drug or device payments recorded (2025) ·
(414) 302-9196 Dr. James Breckenridge, D.O.Milwaukee, WI · No drug or device payments recorded (2025) ·
(414) 447-2000 Dr. James Ducanto, MDMilwaukee, WI · $3,369 in drug and device payments (2025) ·
(414) 649-6000 Dr. James Feix, M.D.Milwaukee, WI · No drug or device payments recorded (2025) ·
(414) 385-2380 Dr. James Maney, MDMilwaukee, WI · No drug or device payments recorded (2025) ·
(414) 447-2000 Dr. James Warsh, M.D.Milwaukee, WI · No drug or device payments recorded (2025) ·
(414) 649-6000 Dr. James Wilson, M.D.Milwaukee, WI · No drug or device payments recorded (2025) ·
(414) 961-3300 Dr. Jane-lorelie Cueto, MDMilwaukee, WI · No drug or device payments recorded (2025) ·
(414) 890-5870 Dr. Jan Fraessdorf, MD, PHDMilwaukee, WI · $47 in drug and device payments (2025) ·
(414) 805-8700 Dr. Janie Rissell, M.D.Milwaukee, WI · No drug or device payments recorded (2025) ·
(414) 649-6000 Dr. Jason Adkins, D.O.Milwaukee, WI · $111 in drug and device payments (2025) ·
(414) 805-8700 Dr. Jason Srnec, MDMilwaukee, WI · $194 in drug and device payments (2025) ·
(414) 805-8700 Dr. Jason VitekMilwaukee, WI · No drug or device payments recorded (2025) ·
(414) 805-8700 Common questions
How many Anesthesiology providers are in Wisconsin?There are 1,319 Anesthesiology providers with active NPI records practicing in Wisconsin, according to federal NPPES data refreshed monthly.
Do Anesthesiology providers in Wisconsin offer telehealth?Yes. 19 of the 1,319 Anesthesiology providers in Wisconsin (about 1%) report offering telehealth services in CMS data.
Which cities in Wisconsin have the most Anesthesiology providers?Milwaukee (392), Madison (283), Green Bay (55) have the highest concentration of Anesthesiology providers in Wisconsin.
How many Anesthesiology providers in Wisconsin received drug or device company payments?252 of 1,319 Anesthesiology providers in Wisconsin (19%) 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.
Do most Anesthesiologists in Wisconsin work in independent practices or large health systems?Among 755 Anesthesiologists in Wisconsin enrolled in Medicare, 2% bill through a solo or small practice with fewer than 10 clinicians, 23% through a mid-size group of 10 to 99, and 76% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Anesthesiologists in Wisconsin work at?According to CMS facility affiliation records, the Wisconsin hospitals where the most Anesthesiologists hold privileges are University of Wi Hospitals & Clinics Authority in Madison; Froedtert Memorial Lutheran Hospital in Milwaukee; Aurora St Lukes Medical Center in Milwaukee.
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