Infectious Disease Specialists in Wisconsin
Data updated monthly · Last refresh October 2026
171 Infectious Disease providers practice in Wisconsin, including 86 (50%) 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.
171providers
86telehealth
Madisontop city
Infectious Disease by city in Wisconsin
Choose a city to see providers there.
Where Infectious Disease Specialists in Wisconsin practice
From CMS Medicare enrollment records covering 118 of the 171 providers listed here (69%). Providers who do not bill Medicare are not included in these figures.
7%solo or small practice (under 10 clinicians)
3%mid-size group (10 to 99)
90%large group or health system (100+)
Largest practice groups
| Group (as registered with Medicare) | Infectious Disease Specialists | All clinicians in group | Main city |
| University of Wisconsin Medical Foundation Inc. | 29 | 2,537 | Madison |
| The Medical College of Wisconsin Inc. | 21 | 2,092 | Milwaukee |
| Aurora Medical Group, Inc.. | 13 | 3,764 | Milwaukee |
| Dean Health Systems Inc. | 6 | 1,174 | Madison |
| Vivent Health Inc. | 6 | 54 | Kenosha |
Hospitals where they hold privileges
| Hospital | City | Ownership | CMS star rating | Infectious Disease Specialists affiliated |
| University of Wi Hospitals & Clinics Authority | Madison | Government | 5 of 5 | 30 |
| Froedtert Memorial Lutheran Hospital | Milwaukee | Nonprofit | 3 of 5 | 22 |
| Unitypoint Health - Meriter | Madison | Nonprofit | 5 of 5 | 17 |
| Aurora St Lukes Medical Center | Milwaukee | Nonprofit | 4 of 5 | 14 |
| Ssm Health St Mary's Hospital - Madison | Madison | Nonprofit | 4 of 5 | 6 |
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.
Infectious Disease 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. Anthony Zeimet, D.O.Appleton, WI · No drug or device payments recorded (2025) · Telehealth ·
(920) 831-1841 Dr. Corinne Klein, M.D.Appleton, WI · $55 in drug and device payments (2025) ·
(920) 260-3905 Dr. Jaime Gonzalez, MDBeloit, WI · $32 in drug and device payments (2025) · Telehealth ·
(608) 364-5011 Dr. Vijaya Somaraju, M.D.Beloit, WI · No drug or device payments recorded (2025) · Telehealth ·
(608) 364-2240 Dr. David Letzer, MDBrookfield, WI · $623 in drug and device payments (2025) · Telehealth ·
(262) 786-4550 Dr. Jennifer Hong, DOBrookfield, WI · No drug or device payments recorded (2025) ·
(262) 786-4550 Dr. Thomas Taft, MDBrookfield, WI · No drug or device payments recorded (2025) ·
(262) 786-4550 Dr. William Timm, MDBrookfield, WI · $246 in drug and device payments (2025) · Telehealth ·
(262) 786-4550 Dr. Jeremiah Stromich, M.D.Chippewa Falls, WI · No drug or device payments recorded (2025) ·
(715) 720-3780 Dr. Diego Zea Pineros, M.D.Eau Claire, WI · No drug or device payments recorded (2025) · Telehealth ·
(715) 838-5222 Dr. Fnu Shweta, MBBSEau Claire, WI · $26 in drug and device payments (2025) · Telehealth ·
(715) 838-5222 Dr. Katrina Victoria, MDEau Claire, WI · No drug or device payments recorded (2025) · Telehealth ·
(715) 717-4121 Dr. Larry Lutwick, M.D.Eau Claire, WI · No drug or device payments recorded (2025) ·
(715) 838-5222 Dr. Muhanad Mohamed, M.DEau Claire, WI · No drug or device payments recorded (2025) · Telehealth ·
(715) 838-5222 Dr. Praharshini Hundt, M.D.Eau Claire, WI · $55 in drug and device payments (2025) · Telehealth ·
(715) 838-5222 Dr. Raed JabrEau Claire, WI · No drug or device payments recorded (2025) · Telehealth ·
(715) 838-5222 Dr. Robert Noyce, MDEau Claire, WI · No drug or device payments recorded (2025) ·
(715) 838-5222 Dr. Nisha Sheth, M.D.Elkhorn, WI · No drug or device payments recorded (2025) · Telehealth ·
(262) 723-3100 Dr. Jeffrey Jones, M.D.Fitchburg, WI · No drug or device payments recorded (2025) ·
(608) 271-0298 Dr. Matthew Lambert, MDFitchburg, WI · No drug or device payments recorded (2025) ·
(608) 263-0946 Dr. Richard Reich, MDFitchburg, WI · No drug or device payments recorded (2025) ·
(608) 219-8583 Dr. Claudia Altmann, MDGrafton, WI · No drug or device payments recorded (2025) ·
(262) 329-1000 Dr. Paula Jones, MDGrafton, WI · No drug or device payments recorded (2025) ·
(262) 329-8600 Dr. Sonia Dhingra, M.D.Grafton, WI · No drug or device payments recorded (2025) · Telehealth ·
(262) 329-1000 Dr. Adetunji Adejumo, MDGreen Bay, WI · No drug or device payments recorded (2025) · Telehealth ·
(920) 496-4700 Dr. Agnes Kresch, M.D.Green Bay, WI · No drug or device payments recorded (2025) · Telehealth ·
(920) 496-4700 Dr. Ann Laake, MDGreen Bay, WI · No drug or device payments recorded (2025) · Telehealth ·
(920) 496-4700 Dr. David Brooks, M.D.Green Bay, WI · $18 in drug and device payments (2025) · Telehealth ·
(920) 433-6050 Dr. David Miller, MDGreen Bay, WI · No drug or device payments recorded (2025) · Telehealth ·
(920) 288-8100 Dr. Edward Morales, MDGreen Bay, WI · $11,270 in drug and device payments (2025) · Telehealth ·
(920) 496-4700 Dr. Kali Maniam, MDGreen Bay, WI · No drug or device payments recorded (2025) · Telehealth ·
(920) 288-8000 Dr. Katherine Torres, D.O.Green Bay, WI · $16 in drug and device payments (2025) · Telehealth ·
(920) 288-8100 Dr. Michael Landrum, M.D.Green Bay, WI · $39 in drug and device payments (2025) ·
(920) 433-3456 Dr. Owusu-bekoe Opoku-owusu, M.D.Green Bay, WI · No drug or device payments recorded (2025) · Telehealth ·
(920) 288-8100 Dr. Sarah Lulloff, MDGreen Bay, WI · No drug or device payments recorded (2025) ·
(920) 433-0111 Dr. Keith Konkol, MDJanesville, WI · No drug or device payments recorded (2025) ·
(608) 756-6800 Dr. Mirza Omer Baig, M.D.Janesville, WI · No drug or device payments recorded (2025) ·
(608) 756-6868 Dr. Arick Sabin, DOLa Crosse, WI · No drug or device payments recorded (2025) · Telehealth ·
(608) 782-7300 Dr. David Mcnamara, M.D.La Crosse, WI · No drug or device payments recorded (2025) · Telehealth ·
(608) 782-7300 Dr. Deena Athas, M.D.La Crosse, WI · $136 in drug and device payments (2025) ·
(608) 782-7300 Dr. James Glasser, MDLa Crosse, WI · No drug or device payments recorded (2025) ·
(608) 782-7300 Dr. Laura Felley, MDLa Crosse, WI · No drug or device payments recorded (2025) · Telehealth ·
(608) 782-7300 Dr. Montaser Bilbisi, M.D.La Crosse, WI · No drug or device payments recorded (2025) ·
(608) 782-7300 Dr. Raj Palraj, MDLa Crosse, WI · No drug or device payments recorded (2025) · Telehealth ·
(608) 785-0940 Dr. Todd Kowalski, M.D.La Crosse, WI · No drug or device payments recorded (2025) · Telehealth ·
(608) 782-7300 Dr. William Agger, MDLa Crosse, WI · No drug or device payments recorded (2025) ·
(608) 782-7300 Dr. Alexander Lepak, M.D. Dr. Alison Schwartz Vaneperen, D.O.Madison, WI · No drug or device payments recorded (2025) · Telehealth ·
(608) 252-8000 Dr. Amanda Carlson, M.DMadison, WI · No drug or device payments recorded (2025) · Telehealth ·
(608) 252-8000 Dr. Ambar Haleem, M.B., B.S.Madison, WI · No drug or device payments recorded (2025) · Telehealth ·
(608) 263-0946 Conditions Infectious Disease providers in Wisconsin commonly treat
Patients often search by condition rather than specialty. These are conditions typically managed by Infectious Disease providers. Individual practices vary, so confirm with the provider before booking.
- Long COVID
- HIV care
- Lyme disease
- Recurrent infections
- Travel medicine
Common questions
How many Infectious Disease providers are in Wisconsin?There are 171 Infectious Disease providers with active NPI records practicing in Wisconsin, according to federal NPPES data refreshed monthly.
Do Infectious Disease providers in Wisconsin offer telehealth?Yes. 86 of the 171 Infectious Disease providers in Wisconsin (about 50%) report offering telehealth services in CMS data.
Which cities in Wisconsin have the most Infectious Disease providers?Madison (53), Milwaukee (50), Green Bay (11) have the highest concentration of Infectious Disease providers in Wisconsin.
How many Infectious Disease providers in Wisconsin received drug or device company payments?30 of 171 Infectious Disease providers in Wisconsin (18%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
What conditions do Infectious Disease providers in Wisconsin treat?Infectious Disease providers commonly treat long COVID, HIV care, Lyme disease, recurrent infections, travel medicine 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 Infectious Disease Specialists in Wisconsin work in independent practices or large health systems?Among 118 Infectious Disease Specialists in Wisconsin enrolled in Medicare, 7% bill through a solo or small practice with fewer than 10 clinicians, 3% through a mid-size group of 10 to 99, and 90% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Infectious Disease Specialists in Wisconsin work at?According to CMS facility affiliation records, the Wisconsin hospitals where the most Infectious Disease Specialists hold privileges are University of Wi Hospitals & Clinics Authority in Madison; Froedtert Memorial Lutheran Hospital in Milwaukee; Unitypoint Health - Meriter in Madison.
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