Endocrinologists in Wisconsin
Data updated monthly · Last refresh October 2026
188 Endocrinology, Diabetes & Metabolism providers practice in Wisconsin, including 104 (55%) 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.
188providers
104telehealth
Milwaukeetop city
Endocrinology, Diabetes & Metabolism by city in Wisconsin
Choose a city to see providers there.
| Endocrinology, Diabetes & Metabolism in Milwaukee | 46 providers |
| Endocrinology, Diabetes & Metabolism in Madison | 45 providers |
| Endocrinology, Diabetes & Metabolism in Green Bay | 11 providers |
| Endocrinology, Diabetes & Metabolism in La Crosse | 10 providers |
| Endocrinology, Diabetes & Metabolism in Eau Claire | 7 providers |
| Endocrinology, Diabetes & Metabolism in Sheboygan | 6 providers |
| Endocrinology, Diabetes & Metabolism in Menomonee Falls | 6 providers |
| Endocrinology, Diabetes & Metabolism in Wauwatosa | 5 providers |
| Endocrinology, Diabetes & Metabolism in Kenosha | 4 providers |
| Endocrinology, Diabetes & Metabolism in Wausau | 4 providers |
| Endocrinology, Diabetes & Metabolism in Marshfield | 3 providers |
| Endocrinology, Diabetes & Metabolism in Franklin | 3 providers |
| Endocrinology, Diabetes & Metabolism in Neenah | 3 providers |
| Endocrinology, Diabetes & Metabolism in Oshkosh | 3 providers |
| Endocrinology, Diabetes & Metabolism in Greenfield | 2 providers |
| Endocrinology, Diabetes & Metabolism in Beloit | 2 providers |
| Endocrinology, Diabetes & Metabolism in Waukesha | 2 providers |
| Endocrinology, Diabetes & Metabolism in Mequon | 2 providers |
| Endocrinology, Diabetes & Metabolism in Lake Geneva | 2 providers |
| Endocrinology, Diabetes & Metabolism in Mount Pleasant | 2 providers |
| Endocrinology, Diabetes & Metabolism in Menasha | 2 providers |
| Endocrinology, Diabetes & Metabolism in Monroe | 1 providers |
| Endocrinology, Diabetes & Metabolism in Portage | 1 providers |
| Endocrinology, Diabetes & Metabolism in Ashland | 1 providers |
Where Endocrinologists in Wisconsin practice
From CMS Medicare enrollment records covering 128 of the 188 providers listed here (68%). Providers who do not bill Medicare are not included in these figures.
2%solo or small practice (under 10 clinicians)
2%mid-size group (10 to 99)
96%large group or health system (100+)
Largest practice groups
| Group (as registered with Medicare) | Endocrinologists | All clinicians in group | Main city |
| Aurora Medical Group, Inc.. | 29 | 3,764 | Milwaukee |
| The Medical College of Wisconsin Inc. | 21 | 2,092 | Milwaukee |
| University of Wisconsin Medical Foundation Inc. | 20 | 2,537 | Madison |
| Froedtert Andthe Medical College of Wisconsin Community Physicians Inc. | 10 | 1,265 | Menomonee Falls |
| Aurora Advanced Healthcare, Inc.. | 9 | 1,107 | Milwaukee |
Hospitals where they hold privileges
| Hospital | City | Ownership | CMS star rating | Endocrinologists affiliated |
| Aurora St Lukes Medical Center | Milwaukee | Nonprofit | 4 of 5 | 25 |
| Froedtert Memorial Lutheran Hospital | Milwaukee | Nonprofit | 3 of 5 | 23 |
| University of Wi Hospitals & Clinics Authority | Madison | Government | 5 of 5 | 23 |
| Unitypoint Health - Meriter | Madison | Nonprofit | 5 of 5 | 18 |
| St Josephs Community Hospital West Bend | West Bend | Nonprofit | 4 of 5 | 13 |
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.
Endocrinology, Diabetes & Metabolism 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. Iftikhar Malik, MDAppleton, WI · $6,108 in drug and device payments (2025) ·
(920) 358-1223 Dr. Beret Casey, M.D.Ashland, WI · No drug or device payments recorded (2025) · Telehealth ·
(715) 685-7500 Dr. Kheng Joe Lau, M.D.Baldwin, WI · $2,591 in drug and device payments (2025) ·
(715) 684-1111 Dr. Nicolas Mungo, MDBrookfield, WI · $9,284 in drug and device payments (2025) · Telehealth ·
(262) 928-7100 Dr. Allan Sill, MDEau Claire, WI · No drug or device payments recorded (2025) ·
(715) 838-5222 Dr. Aron Adkins, MDEau Claire, WI · $49,066 in drug and device payments (2025) ·
(715) 839-9280 Dr. Charles Bingham, MDEau Claire, WI · No drug or device payments recorded (2025) ·
(715) 838-5222 Dr. Hammad Hussain, M.D.Eau Claire, WI · No drug or device payments recorded (2025) ·
(715) 838-5222 Dr. Kent Ray, DOEau Claire, WI · $567 in drug and device payments (2025) · Telehealth ·
(715) 858-4500 Dr. Marita Fisher, M.D.Eau Claire, WI · $828 in drug and device payments (2025) · Telehealth ·
(715) 858-4500 Dr. Odette Morgan, MDEau Claire, WI · $199 in drug and device payments (2025) · Telehealth ·
(715) 858-4500 Dr. Fnu MariumFranklin, WI · $1,111 in drug and device payments (2025) ·
(414) 423-5250 Dr. Ivica Boban, MDFranklin, WI · No drug or device payments recorded (2025) · Telehealth ·
(414) 325-4950 Dr. Jerald Marifke, M.D.Franklin, WI · No drug or device payments recorded (2025) ·
(414) 202-1352 Dr. Justin Yoon, M.D.Grafton, WI · No drug or device payments recorded (2025) · Telehealth ·
(262) 375-3700 Dr. Benson Richardson, M.D.Green Bay, WI · No drug or device payments recorded (2025) ·
(920) 437-9773 Dr. David Newell, MDGreen Bay, WI · No drug or device payments recorded (2025) · Telehealth ·
(920) 288-8100 Dr. Ferdinand Casis, MD,FACEGreen Bay, WI · No drug or device payments recorded (2025) ·
(920) 433-6050 Dr. Francisco Cruz, MDGreen Bay, WI · $688 in drug and device payments (2025) · Telehealth ·
(920) 433-6050 Dr. Gayle Kasdorf, M.D.Green Bay, WI · No drug or device payments recorded (2025) ·
(920) 496-4700 Dr. Jennifer Cunningham, MDGreen Bay, WI · $141 in drug and device payments (2025) · Telehealth ·
(920) 433-6050 Dr. Maria Fernandez Manrique, MDGreen Bay, WI · $109 in drug and device payments (2025) · Telehealth ·
(920) 496-4700 Dr. Pamela Baeten, M.D.Green Bay, WI · No drug or device payments recorded (2025) ·
(920) 468-9588 Dr. Sarah Swarts, MDGreen Bay, WI · No drug or device payments recorded (2025) · Telehealth ·
(920) 288-8000 Dr. Victor Adalbert De Villa, M.D.Green Bay, WI · $210 in drug and device payments (2025) · Telehealth ·
(920) 433-6050 Dr. Victor Compres Matos, M.D.Green Bay, WI · $119 in drug and device payments (2025) · Telehealth ·
(920) 433-6050 Dr. Anoop Mohamed Iqbal, M.DGreenfield, WI · No drug or device payments recorded (2025) ·
(414) 246-6800 Dr. Vallikantha Nellaiappan, M.DGreenfield, WI · No drug or device payments recorded (2025) · Telehealth ·
(414) 281-5150 Dr. Samuel Yoon, M.D.Hartland, WI · No drug or device payments recorded (2025) · Telehealth ·
(262) 369-7040 Dr. John Macindoe, MDHudson, WI · No drug or device payments recorded (2025) ·
(715) 531-6801 Dr. Patrick Litonjua, MDJanesville, WI · No drug or device payments recorded (2025) · Telehealth ·
(608) 756-7100 Dr. Farah Salahuddin, MDKenosha, WI · $481 in drug and device payments (2025) ·
(262) 652-3500 Dr. Hanna Mariani, M.D.Kenosha, WI · $183 in drug and device payments (2025) · Telehealth ·
(262) 656-3710 Dr. Linda Hansen, M.D.Kenosha, WI · No drug or device payments recorded (2025) ·
(262) 656-3710 Dr. Randa Sharag Eldin, MDKenosha, WI · No drug or device payments recorded (2025) · Telehealth ·
(262) 656-3636 Dr. Aiman Riaz, M.DLa Crosse, WI · $55 in drug and device payments (2025) · Telehealth ·
(608) 782-7300 Dr. Arnold Asp, MDLa Crosse, WI · No drug or device payments recorded (2025) ·
(608) 782-7300 Dr. Daniel Short, MDLa Crosse, WI · $23,288 in drug and device payments (2025) · Telehealth ·
(608) 782-7300 Dr. Gregory Pehling, MDLa Crosse, WI · $194 in drug and device payments (2025) ·
(608) 785-0940 Dr. Jane Korducki, MDLa Crosse, WI · No drug or device payments recorded (2025) · Telehealth ·
(608) 791-9862 Dr. Madeline Fasen, DOLa Crosse, WI · $306 in drug and device payments (2025) · Telehealth ·
(608) 785-0940 Dr. Mary Frohnauer, MDLa Crosse, WI · No drug or device payments recorded (2025) ·
(608) 775-2021 Dr. Rachel Mckenney, MDLa Crosse, WI · $167 in drug and device payments (2025) · Telehealth ·
(608) 782-7300 Dr. Richard Reynertson, MDLa Crosse, WI · No drug or device payments recorded (2025) ·
(608) 782-7300 Dr. San Thida, MDLa Crosse, WI · $227 in drug and device payments (2025) · Telehealth ·
(608) 782-7300 Dr. Aneeba FarooqiLake Geneva, WI · $57 in drug and device payments (2025) ·
(262) 249-5000 Dr. Nadiia Marenych, MDLake Geneva, WI · $121 in drug and device payments (2025) · Telehealth ·
(262) 249-5000 Dr. Aesha Patel, M.B.B.S.Madison, WI · $403 in drug and device payments (2025) ·
(608) 263-6400 Conditions Endocrinology, Diabetes & Metabolism providers in Wisconsin commonly treat
Patients often search by condition rather than specialty. These are conditions typically managed by Endocrinology, Diabetes & Metabolism providers. Individual practices vary, so confirm with the provider before booking.
- Type 2 diabetes
- Thyroid disorders
- Osteoporosis
- Hormone imbalance
- Type 1 diabetes
Common questions
How many Endocrinology, Diabetes & Metabolism providers are in Wisconsin?There are 188 Endocrinology, Diabetes & Metabolism providers with active NPI records practicing in Wisconsin, according to federal NPPES data refreshed monthly.
Do Endocrinology, Diabetes & Metabolism providers in Wisconsin offer telehealth?Yes. 104 of the 188 Endocrinology, Diabetes & Metabolism providers in Wisconsin (about 55%) report offering telehealth services in CMS data.
Which cities in Wisconsin have the most Endocrinology, Diabetes & Metabolism providers?Milwaukee (46), Madison (45), Green Bay (11) have the highest concentration of Endocrinology, Diabetes & Metabolism providers in Wisconsin.
How many Endocrinology, Diabetes & Metabolism providers in Wisconsin received drug or device company payments?61 of 188 Endocrinology, Diabetes & Metabolism providers in Wisconsin (32%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
What conditions do Endocrinology, Diabetes & Metabolism providers in Wisconsin treat?Endocrinology, Diabetes & Metabolism providers commonly treat type 2 diabetes, thyroid disorders, osteoporosis, hormone imbalance, type 1 diabetes 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 Endocrinologists in Wisconsin work in independent practices or large health systems?Among 128 Endocrinologists in Wisconsin enrolled in Medicare, 2% bill through a solo or small practice with fewer than 10 clinicians, 2% through a mid-size group of 10 to 99, and 96% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Endocrinologists in Wisconsin work at?According to CMS facility affiliation records, the Wisconsin hospitals where the most Endocrinologists hold privileges are Aurora St Lukes Medical Center in Milwaukee; Froedtert Memorial Lutheran Hospital in Milwaukee; University of Wi Hospitals & Clinics Authority in Madison.
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