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Iowa
In 2025, 7,765 providers in Iowa had general (non-research) payments reported to CMS. Half received less than $122 for the year, and nine in ten received less than $1,300.
7,765providers with payments in 2025
$122median total for the year
$1,300nine in ten received less than
$1,867average 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 |
|---|---|---|---|
| John J Callaghan | Iowa City, IA | $2,954,167.64 | $23,277,500.18 |
| Paul D Dayton | Ankeny, IA | $1,208,695.73 | $9,408,423.85 |
| Jayson Gesulga | Urbandale, IA | $299,642.87 | $877,776.80 |
| Edgar A Samaniego | Iowa City, IA | $199,723.55 | $650,043.28 |
| Bryan J Krajicek | Council Bluffs, IA | $183,369.60 | $469,546.19 |
| Charles S Jennisch | Urbandale, IA | $178,246.09 | $948,570.75 |
| Sara L Butterworth | Coralville, IA | $172,810.52 | $191,273.02 |
| Bruce L Hughes | Des Moines, IA | $164,384.20 | $1,828,076.54 |
| Stefanie S Gatica | Ankeny, IA | $160,231.99 | $353,837.22 |
| Tarrah L Holliday | Atlantic, IA | $150,815.02 | $420,793.98 |
| Tara M Graff | Clive, IA | $138,235.54 | $709,266.46 |
| Annunziato Amendola | Iowa City, IA | $137,146.49 | $981,842.62 |
| Santiago Ortega Gutierrez | Iowa City, IA | $129,715.18 | $633,488.84 |
| Michael S Lee | Des Moines, IA | $123,872.87 | $2,121,171.49 |
| Kelsey J Millonig | Des Moines, IA | $120,474.07 | $330,113.87 |
| Jimmy R Mascaro | Ottumwa, IA | $105,768.38 | $360,783.62 |
| Brian D Adams | Iowa City, IA | $103,451.98 | $865,194.02 |
| Kirk K Peterson | Huxley, IA | $102,672.58 | $576,061.69 |
| Thomas E Heineman | Cedar Rapids, IA | $99,637.27 | $373,128.20 |
| Katherine A Lem | Ames, IA | $99,377.32 | $224,412.33 |
| Phinit Phisitkul | Sioux City, IA | $91,192.47 | $1,355,150.19 |
| Aubrey Molgaard | Ames, IA | $87,317.77 | $237,558.98 |
| Christopher Andrew Barwacz | Iowa City, IA | $82,249.08 | $344,680.56 |
| Omar H Akhtar | Cedar Rapids, IA | $80,677.73 | $532,990.05 |
| Madalyn E Walsh | Iowa City, IA | $80,324.51 | $80,324.51 |
| Douglas W Massop | West Des Moines, IA | $78,885.33 | $590,486.61 |
| Cesar De Cesar Netto | Iowa City, IA | $77,508.80 | $695,812.78 |
| Jun Zhang | Iowa City, IA | $76,055.17 | $391,363.19 |
| Brian R Wolf | Iowa City, IA | $74,651.75 | $298,274.05 |
| Laurie L Clair | Johnston, IA | $74,191.17 | $293,026.03 |
| Robert W Westermann | Iowa City, IA | $73,647.44 | $182,277.27 |
| Yogesh A Shah | Des Moines, IA | $72,958.82 | $159,090.80 |
| Vignesh Packiam | Iowa City, IA | $72,352.00 | $111,552.59 |
| Nicholas J Goetsch | Waterloo, IA | $68,330.48 | $574,403.71 |
| Laura L Cunningham | West Des Moines, IA | $66,941.43 | $128,141.68 |
| Anthony D Carter | Cedar Rapids, IA | $62,850.00 | $407,612.50 |
| Brian Handal | West Des Moines, IA | $61,533.26 | $91,612.60 |
| Sabarish R Ayyappan | Iowa City, IA | $60,810.15 | $158,911.38 |
| Nicolas W Shammas | Davenport, IA | $56,426.32 | $1,058,535.09 |
| Brent Eugene Ludens | Waterloo, IA | $53,610.29 | $266,138.84 |
| John D Buie | Iowa City, IA | $51,842.11 | $51,842.11 |
| Kayla L Ehrman | Bettendorf, IA | $51,532.52 | $201,686.85 |
| Eric Christopher Scott | West Des Moines, IA | $51,194.19 | $396,075.49 |
| Charles Schlaepfer | Iowa City, IA | $50,487.40 | $50,618.52 |
| Troy L Hounshell | West Des Moines, IA | $48,988.40 | $163,914.45 |
| Usha S Perepu | Iowa City, IA | $47,677.75 | $70,197.24 |
| Paari Dominic | Iowa City, IA | $45,936.40 | $82,789.96 |
| Andrew Pugely | Iowa City, IA | $45,631.46 | $208,213.78 |
| Sumit Mukherjee | Council Bluffs, IA | $45,379.51 | $263,870.36 |
| Mathew M Wehbe | Des Moines, IA | $44,751.35 | $119,900.58 |
Source: CMS Open Payments, program years 2019-2025, as reported to CMS by drug and device makers (published June 30, 2026).