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Wisconsin
In 2025, 11,454 providers in Wisconsin had general (non-research) payments reported to CMS. Half received less than $125 for the year, and nine in ten received less than $1,705.
11,454providers with payments in 2025
$125median total for the year
$1,705nine in ten received less than
$4,173average total for the year
Providers with the largest 2025 totals
Ordered by 2025 totals as reported to CMS. A large total is not evidence of wrongdoing; context is below the table.
| Provider | Location | 2025 general | All payments 2019-2025 including research |
|---|---|---|---|
| Fred T Lee | Madison, WI | $14,065,875.66 | $14,171,539.61 |
| Peter F Ullrich | Appleton, WI | $5,156,899.00 | $17,960,866.55 |
| Paul F Laeseke | Madison, WI | $2,545,428.28 | $2,895,141.38 |
| Timothy J Ziemlewicz | Madison, WI | $1,959,906.02 | $1,962,881.55 |
| Robert S Churchill | Grafton, WI | $1,521,207.77 | $7,658,103.15 |
| Richard L Illgen | Madison, WI | $979,248.75 | $6,063,358.24 |
| Scott Wiener | Greenfield, WI | $526,242.34 | $1,432,524.11 |
| Inder P Singh | Racine, WI | $453,915.63 | $2,667,949.43 |
| Ahmed Z Obeidat | Milwaukee, WI | $339,237.68 | $1,905,075.48 |
| Parameswaran N Hari | Milwaukee, WI | $329,300.00 | $1,801,611.39 |
| Justin Mitchell | Onalaska, WI | $326,096.90 | $665,718.78 |
| Gabriela A Maloney | Oconomowoc, WI | $307,038.57 | $724,927.76 |
| Jonathan S Kurman | Milwaukee, WI | $284,418.27 | $802,587.20 |
| Daniel L Long | Neenah, WI | $283,307.74 | $899,441.32 |
| David J Landwehr | Madison, WI | $254,310.03 | $1,354,783.81 |
| Bhupendra O Khatri | Milwaukee, WI | $220,335.46 | $2,680,221.96 |
| Jennifer L Parsley | Elk Mound, WI | $218,727.90 | $1,396,298.90 |
| Hasnain Bawaadam | Kenosha, WI | $211,316.19 | $685,823.26 |
| Thomas D Ilic | Milwaukee, WI | $209,164.93 | $324,272.45 |
| David D Nelsen | Janesville, WI | $203,429.46 | $1,076,773.33 |
| Alaa A Abd-Elsayed | Madison, WI | $182,968.68 | $1,378,346.81 |
| Ashley Marie Dietrich | Milwaukee, WI | $181,671.25 | $465,760.98 |
| Joshua A Mou | Edgerton, WI | $177,262.50 | $338,812.50 |
| Parag J Patel | Milwaukee, WI | $169,059.94 | $389,425.06 |
| Karl Anthony Greene | Pleasant Prairie, WI | $168,273.54 | $2,102,298.05 |
| Deepak Sambhara | Wausau, WI | $167,221.63 | $401,377.90 |
| Clifford B Tribus | Madison, WI | $163,113.31 | $1,441,696.59 |
| Sayed Mehdi H Hamadani | Milwaukee, WI | $148,353.77 | $551,105.59 |
| David C De Witt | Appleton, WI | $144,159.00 | $8,946,380.51 |
| Christopher Bibbo | Stevens Point, WI | $142,469.69 | $615,382.76 |
| Traci A Purath | Burlington, WI | $140,833.02 | $524,066.80 |
| Michael W Jung | West Bend, WI | $138,523.75 | $339,400.21 |
| Sam I Hooshmand | Milwaukee, WI | $131,551.98 | $229,256.22 |
| Royle G Eenigenburg | Juneau, WI | $125,926.57 | $344,139.93 |
| Mario G Gasparri | Milwaukee, WI | $120,478.31 | $516,109.60 |
| Sina Meisamy | Madison, WI | $118,925.00 | $183,350.00 |
| Lynn M Malec | Milwaukee, WI | $118,842.98 | $670,386.18 |
| Kurt R Oelke | Glendale, WI | $111,646.52 | $759,133.88 |
| Jeremiah Depta | Milwaukee, WI | $111,150.24 | $723,499.47 |
| William B Lutes | Kenosha, WI | $109,411.80 | $1,024,542.59 |
| Mouhammed Rihawi | Milwaukee, WI | $109,192.98 | $712,712.43 |
| Binod Dhakal | Milwaukee, WI | $108,700.07 | $862,500.89 |
| Kirk Victor Dahl | Eau Claire, WI | $101,644.00 | $531,775.28 |
| Leslie M Golden | Watertown, WI | $100,738.74 | $102,562.49 |
| Mansoor Aman | De Pere, WI | $99,462.43 | $448,533.99 |
| David T Plante | Madison, WI | $98,198.91 | $190,308.99 |
| Matthew I Goldblatt | Milwaukee, WI | $97,650.82 | $605,574.81 |
| Kevin R Regner | Milwaukee, WI | $95,533.57 | $246,007.76 |
| Nicholas C Ketchum | Milwaukee, WI | $90,902.63 | $574,544.27 |
| Ghulam Murtaza | Madison, WI | $89,564.75 | $106,159.47 |
Source: CMS Open Payments, program years 2019-2025, as reported to CMS by drug and device makers (published June 30, 2026).