HealthcareDiscovery.AI / Doctors / Wisconsin / Otolaryngology

ENT Doctors (Otolaryngologists) in Wisconsin

Data updated monthly · Last refresh October 2026

231 Otolaryngology providers practice in Wisconsin, including 22 (10%) offering telehealth. The largest concentration is in Madison. 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.

231providers
22telehealth
Madisontop city

Otolaryngology by city in Wisconsin

Choose a city to see providers there.

Otolaryngology in Madison44 providers
Otolaryngology in Milwaukee40 providers
Otolaryngology in Green Bay15 providers
Otolaryngology in Greenfield9 providers
Otolaryngology in Eau Claire9 providers
Otolaryngology in La Crosse8 providers
Otolaryngology in Appleton7 providers
Otolaryngology in Marshfield7 providers
Otolaryngology in Wausau6 providers
Otolaryngology in Waukesha6 providers
Otolaryngology in Kenosha5 providers
Otolaryngology in Oconomowoc4 providers
Otolaryngology in Fort Atkinson4 providers
Otolaryngology in Burlington4 providers
Otolaryngology in Neenah4 providers
Otolaryngology in Janesville4 providers
Otolaryngology in Sheboygan3 providers
Otolaryngology in Mequon3 providers
Otolaryngology in Fond Du Lac3 providers
Otolaryngology in Menomonee Falls3 providers
Otolaryngology in Stevens Point3 providers
Otolaryngology in Altoona3 providers
Otolaryngology in West Allis2 providers
Otolaryngology in Wauwatosa2 providers

Where ENT Doctors (Otolaryngologists) in Wisconsin practice

From CMS Medicare enrollment records covering 136 of the 231 providers listed here (59%). Providers who do not bill Medicare are not included in these figures.

5%solo or small practice (under 10 clinicians)
15%mid-size group (10 to 99)
80%large group or health system (100+)

Largest practice groups

Group (as registered with Medicare)ENT Doctors (Otolaryngologists)All clinicians in groupMain city
The Medical College of Wisconsin Inc.202,092Milwaukee
Aurora Medical Group, Inc..193,764Milwaukee
University of Wisconsin Medical Foundation Inc.162,537Madison
Froedtert Andthe Medical College of Wisconsin Community Physicians Inc.141,265Menomonee Falls
Dean Health Systems Inc.81,174Madison

Hospitals where they hold privileges

HospitalCityOwnershipCMS star ratingENT Doctors (Otolaryngologists) affiliated
Froedtert Memorial Lutheran HospitalMilwaukeeNonprofit3 of 521
University of Wi Hospitals & Clinics AuthorityMadisonGovernment5 of 516
Aurora St Lukes Medical CenterMilwaukeeNonprofit4 of 512
Community Memorial HospitalMenomonee FallsNonprofit4 of 510
Unitypoint Health - MeriterMadisonNonprofit5 of 58

Sources: CMS Doctors and Clinicians (August 2026) and Facility Affiliation files (August 2026); hospital ownership type and overall star rating from CMS Hospital General Information (July 2026). A clinician in several groups is counted once, in the largest group they bill through. Ownership type is what the hospital reports to CMS; it does not show private equity or other investor ownership. How we build this directory.

Otolaryngology 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. Jeremy Alderfer, MD
Altoona, WI · No drug or device payments recorded (2025) · (920) 496-4700
Dr. Rima Defatta, M.D.
Altoona, WI · $509 in drug and device payments (2025) · (715) 828-2368
Dr. Robert Defatta, MD, PH D, FACS
Altoona, WI · $272 in drug and device payments (2025) · (715) 828-2368
Dr. Gregory Swanson, MD
Appleton, WI · $509 in drug and device payments (2025) · (920) 730-4443
Dr. John Mcmahan, MD
Appleton, WI · No drug or device payments recorded (2025) · (888) 938-3838
Dr. Kent Schaefer, M.D.
Appleton, WI · No drug or device payments recorded (2025) · (920) 734-7181
Dr. Matthew Bettag, M.D.
Appleton, WI · $39 in drug and device payments (2025) · (920) 734-7181
Dr. Rahul Subbarayan, M.D
Appleton, WI · $369 in drug and device payments (2025) · (920) 969-1768
Dr. Ryan Funk, M.D.
Appleton, WI · $68 in drug and device payments (2025) · (888) 938-3838
Dr. Steven Vandenberg, M.D.
Appleton, WI · $17 in drug and device payments (2025) · (920) 734-7181
Dr. James Hamp, MD
Ashland, WI · No drug or device payments recorded (2025) · (715) 682-9311
Dr. Terrence Tuominen, MD
Ashland, WI · No drug or device payments recorded (2025) · (715) 685-6010
Dr. Zachary Zimmerman, M.D.
Beloit, WI · $253 in drug and device payments (2025) · (608) 364-2400
Dr. Mary Milbrath, MD
Brookfield, WI · No drug or device payments recorded (2025) · (262) 780-4444
Dr. Jeffrey Bailet, MD
Burlington, WI · No drug or device payments recorded (2025) · (262) 767-8000
Dr. John Park, MD
Burlington, WI · No drug or device payments recorded (2025) · (262) 767-8260
Dr. Jon Dankle, MD
Burlington, WI · No drug or device payments recorded (2025) · (262) 767-8260
Dr. Randy Folker, M.D.
Burlington, WI · No drug or device payments recorded (2025) · (262) 767-6020
Dr. James Miettunen, MD
Eau Claire, WI · No drug or device payments recorded (2025) · (715) 838-5222
Dr. Jeffrey Bartynski, MD
Eau Claire, WI · No drug or device payments recorded (2025) · (715) 838-5222
Dr. Michelle Facer, DO
Eau Claire, WI · No drug or device payments recorded (2025) · (715) 831-3300
Dr. Nathaniel Connell, MD
Eau Claire, WI · $238 in drug and device payments (2025) · (715) 838-5222
Dr. Pao Vang, MD
Eau Claire, WI · No drug or device payments recorded (2025) · (715) 838-5222
Dr. Patrick Shinners, MD
Eau Claire, WI · $144 in drug and device payments (2025) · (715) 838-5222
Dr. Robert Frankenthaler, MD
Eau Claire, WI · No drug or device payments recorded (2025) · (715) 858-4500
Dr. Stanley Norman, MD
Eau Claire, WI · No drug or device payments recorded (2025) · (715) 858-4793
Dr. Thomas Lowry, M.D.
Eau Claire, WI · No drug or device payments recorded (2025) · (715) 838-5222
Dr. Marissa Le, M.D.
Elkhorn, WI · No drug or device payments recorded (2025) · (262) 723-3100
Dr. Robert Wolter, MD
Elkhorn, WI · No drug or device payments recorded (2025) · (262) 723-6811
Dr. John Nash, M.D.
Fond Du Lac, WI · No drug or device payments recorded (2025) · (920) 926-8460
Dr. Suhail Hariri, MD
Fond Du Lac, WI · $33 in drug and device payments (2025) · (920) 926-8460
Dr. William Sybesma, MD
Fond Du Lac, WI · No drug or device payments recorded (2025) · (920) 744-8147
Dr. David Rowe, M.D.
Fort Atkinson, WI · No drug or device payments recorded (2025) · (920) 563-6667
Dr. Matthew Sdano, MD
Fort Atkinson, WI · $20 in drug and device payments (2025) · (920) 563-4466
Dr. Michael Anderson, M.D.
Fort Atkinson, WI · $20 in drug and device payments (2025) · (920) 563-6667
Dr. William Hofmann, M.D.
Fort Atkinson, WI · No drug or device payments recorded (2025) · (920) 563-6667
Dr. Peter Medved, M.D.
Franklin, WI · No drug or device payments recorded (2025) · (414) 529-9330
Dr. Steven Dankle, MD
Friendship, WI · No drug or device payments recorded (2025) · (608) 339-3331
Dr. Alexander Barr, MD
Green Bay, WI · No drug or device payments recorded (2025) · (920) 496-4700
Dr. Andrew Vanbruggen, DO
Green Bay, WI · $41 in drug and device payments (2025) · (888) 938-3838
Dr. Bradley Gietman
Green Bay, WI · No drug or device payments recorded (2025) · (920) 965-4800
Dr. Diane Mayland, MD
Green Bay, WI · No drug or device payments recorded (2025) · (920) 288-8230
Dr. Douglas Dawson, MD
Green Bay, WI · $71 in drug and device payments (2025) · (888) 938-3838
Dr. Frederic Schmidt, M.D.
Green Bay, WI · No drug or device payments recorded (2025) · (920) 965-4800
Dr. James Clemens, MD
Green Bay, WI · No drug or device payments recorded (2025) · (920) 496-4700
Dr. Jennifer Lynch, M.D.
Green Bay, WI · No drug or device payments recorded (2025) · (920) 445-7226
Dr. Jon Slezak, M.D.
Green Bay, WI · $162 in drug and device payments (2025) · (920) 288-8230
Dr. Justin Miller, M.D.
Green Bay, WI · $41 in drug and device payments (2025) · Telehealth · (920) 965-4800
Dr. Michael Oldenburg, MD
Green Bay, WI · $2,002 in drug and device payments (2025) · (920) 496-4700
Dr. Robert Sonnenburg Jr, M.D.
Green Bay, WI · $244 in drug and device payments (2025) · (920) 288-8230

Conditions Otolaryngology providers in Wisconsin commonly treat

Patients often search by condition rather than specialty. These are conditions typically managed by Otolaryngology providers. Individual practices vary, so confirm with the provider before booking.

Common questions

How many Otolaryngology providers are in Wisconsin?

There are 231 Otolaryngology providers with active NPI records practicing in Wisconsin, according to federal NPPES data refreshed monthly.

Do Otolaryngology providers in Wisconsin offer telehealth?

Yes. 22 of the 231 Otolaryngology providers in Wisconsin (about 10%) report offering telehealth services in CMS data.

Which cities in Wisconsin have the most Otolaryngology providers?

Madison (44), Milwaukee (40), Green Bay (15) have the highest concentration of Otolaryngology providers in Wisconsin.

How many Otolaryngology providers in Wisconsin received drug or device company payments?

86 of 231 Otolaryngology providers in Wisconsin (37%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.

What conditions do Otolaryngology providers in Wisconsin treat?

Otolaryngology providers commonly treat sinusitis, hearing loss, tonsillitis, vertigo, sleep apnea and related conditions. Individual practices vary, so confirm with the provider before booking.

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 ENT Doctors (Otolaryngologists) in Wisconsin work in independent practices or large health systems?

Among 136 ENT Doctors (Otolaryngologists) in Wisconsin enrolled in Medicare, 5% bill through a solo or small practice with fewer than 10 clinicians, 15% through a mid-size group of 10 to 99, and 80% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.

Which hospitals do ENT Doctors (Otolaryngologists) in Wisconsin work at?

According to CMS facility affiliation records, the Wisconsin hospitals where the most ENT Doctors (Otolaryngologists) hold privileges are Froedtert Memorial Lutheran Hospital in Milwaukee; University of Wi Hospitals & Clinics Authority in Madison; Aurora St Lukes Medical Center in Milwaukee.

Otolaryngology in all 50 states Search all 231 in the directory Ask Zach for help choosing

Related

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 Otolaryngology in Wisconsin? Get featured.