Medicare Part D in Wisconsin
Prescribing data for 25,408 providers in Wisconsin, totaling $4.74B in drug costs.
Data: CMS Medicare Part D, 2023 (most current available) · Updated March 2026
25,408
Prescribers
$4.74B
Drug Cost
29,950,587
Claims
$1,174
Cost/Patient
9,671
Opioid Prescribers
2,367
High Opioid Rate
14.8%
Avg Opioid Rate
156
Flagged Providers
🔎 Data Overview
🔍
156 providers in this state have been flagged for unusual prescribing patterns — one of the highest counts nationally. This doesn't mean fraud, but these providers show statistical outlier patterns compared to their specialty peers.
Insights generated from CMS data analysis. Statistical patterns are not accusations — always consider clinical context.
Drug Cost Trends (2019–2023)
Opioid Prescribing Trends
Top Specialties in Wisconsin
| # | Specialty | Providers |
|---|---|---|
| 1 | Nurse Practitioner | 143 |
| 2 | Internal Medicine | 61 |
| 3 | Family Practice | 57 |
| 4 | Physician Assistant | 54 |
| 5 | Cardiology | 5 |
| 6 | Psychiatry | 4 |
| 7 | Hematology-Oncology | 3 |
| 8 | Oral Surgery (Dentist only) | 3 |
| 9 | Emergency Medicine | 3 |
| 10 | Orthopedic Surgery | 2 |
Flagged Providers in Wisconsin
| Provider | Drug Cost | Risk Score |
|---|---|---|
| Floyd Elftman Greenfield | $282K | 51 |
| Hedy Schweitzer Wauwatosa | $136K | 50 |
| Lisa Obrien Franklin | $344K | 50 |
| Aditi Adhikari Milwaukee | $324K | 50 |
| Christa Scheunemann Greenfield | $767K | 49 |
| Nancy Lassa Wauwatosa | $439K | 49 |
| Shana Lebanowski Milwaukee | $33K | 48 |
| Nancy Pejsa Waupaca | $19K | 48 |
| Erika Palmtag Greenfield | $384K | 47 |
| Kelsey Jahn Madison | $228K | 46 |
| Kathleen Pugh Glendale | $220K | 45 |
| Stephanie Drew West Bend | $394K | 45 |
| Lisa York Franklin | $165K | 45 |
| Lindsay Vanselow Greenfield | $180K | 45 |
| Jennifer Fryda Fond Du Lac | $126K | 45 |
| Yia Lor Oshkosh | $266K | 45 |
| Nazakat Kharazi West Allis | $329K | 45 |
| Kimberly Williams Appleton | $187K | 45 |
| Nate Sullivan Brown Deer | $196K | 45 |
| Kim Litwack Madison | $221K | 45 |
| Jill Pocius Greenfield | $207K | 45 |
| Nancy Spangler Greenfield | $258K | 43 |
| Faiz Hussain Milwaukee | $42K | 43 |
| Mackenzie Smith Sheboygan | $198K | 43 |
| Mary Morris La Crosse | $37K | 43 |
| Dean Weycker Green Bay | $16K | 43 |
| Nicole Wieman Janesville | $21K | 43 |
| Laura Burgmeier Franklin | $42K | 43 |
| David Plante Madison | $1.0M | 43 |
| Jennifer Armstrong Kenosha | $142K | 43 |
| Julie Christenson Milwaukee | $9,698 | 43 |
| Lisa Bullis Milwaukee | $19K | 43 |
| Kelly Lay La Crosse | $38K | 43 |
| Chelsea Fay Waupaca | $8,598 | 43 |
| Sara Schierenbeck Fond Du Lac | $8,855 | 43 |
| Sara Venzke La Crosse | $41K | 43 |
| Jeanne Denk Wauwatosa | $89K | 43 |
| Christina Hughes Beloit | $183K | 41 |
| Robert Factor Madison | $44K | 41 |
| Nancy Aiello Kenosha | $154K | 41 |
| Brandee Michels Lomira | $72K | 40 |
| Danqing Guo Green Bay | $12K | 40 |
| Julia Heim Milwaukee | $869 | 40 |
| Andrea Lysaght Lake Geneva | $6,862 | 40 |
| Angela Kochanik-Pirelli Franklin | $3,066 | 40 |
| Brenda Ellickson Milwaukee | $8,790 | 40 |
| William Parsons Eau Claire | $2,045 | 40 |
| Catherine Van Schyndle Milwaukee | $8,619 | 39 |
| Jordan Bauman Milwaukee | $12K | 39 |
| Sara Stoddard Pewaukee | $284K | 38 |
| Joshua Field Milwaukee | $1.4M | 38 |
| Deborah Young Lake Geneva | $136K | 38 |
| Catherine Allen Appleton | $386K | 38 |
| Joanne Kostowicz-Volm Greenfield | $87K | 37 |
| Eva Allen Madison | $669K | 37 |
| Brian Christofferson Milwaukee | $461K | 37 |
| Matthew Grade Sauk City | $484K | 36 |
| Karissa Hanson Baldwin | $59K | 36 |
| Hanna Doerr Janesville | $137K | 36 |
| Amy Doherty Portage | $53K | 36 |
| Chessa Fischer Madison | $117K | 36 |
| Cheryl Mckinlay Madison | $101K | 36 |
| Amy Maass Oshkosh | $198K | 36 |
| Julia Stoffel Neenah | $11K | 36 |
| Gloria Diggs Kenosha | $110K | 36 |
| Ryan Quint Madison | $67K | 36 |
| Kasmier Wawrzaszek La Crosse | $101K | 36 |
| Michelle Vanderbilt Madison | $21K | 36 |
| Mara Veltus Appleton | $2,403 | 35 |
| Christopher Dubois Wauwatosa | $7,969 | 35 |
| Bradley Borgen Appleton | $4,265 | 35 |
| Nicole Holm Eau Claire | $7,420 | 35 |
| Amber Mckenzie Franklin | $10K | 35 |
| Leanne Nebel Menomonee Falls | $9,668 | 35 |
| Tracy Peterson Wauwatosa | $2,596 | 35 |
| Emily Weiss Glendale | $2,450 | 35 |
| Valerie Boll Madison | $5,845 | 35 |
| Clair Rivera Milwaukee | $40K | 35 |
| Ann Draghicchio Menomonee Falls | $15K | 35 |
| Zoualia Vang Manitowoc | $4,717 | 35 |
| Jason Berg Eau Claire | $1,201 | 35 |
| Punit Kumar Fond Du Lac | $41K | 34 |
| Kim Willison Appleton | $1,488 | 34 |
| Katie Ruppenthal Neenah | $2,562 | 34 |
| Clare Armbruster Madison | $2,249 | 34 |
| Kyle Stellpflug Marshfield | $1,319 | 34 |
| Nicholas Pflum Green Bay | $1,272 | 34 |
| Rebecca Cronk Marshfield | $1,050 | 34 |
| Erin Schmitz Neenah | $2,001 | 34 |
| Kathleen Freeland Milwaukee | $1,439 | 34 |
| Saralyn Paredes Kenosha | $4,545 | 34 |
| Claire Frank Madison | $2,197 | 34 |
| Kimberly Ball Wausau | $1,981 | 34 |
| Jessica Meyer Grafton | $2,330 | 34 |
| Kody Lewis Summit | $5,984 | 33 |
| Luke Stanczyk Sheboygan | $7,935 | 33 |
| Michelle Nelson Kenosha | $6,693 | 33 |
| Alejandro Garcia Appleton | $8,101 | 33 |
| Nazi Khan Columbus | $162K | 33 |
| Melissa Eskridge Schaub Eau Claire | $137K | 33 |
| Heidi Schmidt Mequon | $14K | 33 |
| Cameron Weess Fort Atkinson | $3,156 | 33 |
| Kim Schmeling Green Bay | $105K | 33 |
| Erin Spritzer Eau Claire | $13K | 33 |
| Jami Burg Beaver Dam | $5,886 | 33 |
| Brittany Croyle Mount Pleasant | $1,877 | 33 |
| Annalyse Danzinger Eau Claire | $3,657 | 33 |
| Audrey Fawcett New Berlin | $987K | 33 |
| Jenna Brzeski Wauwatosa | $2,699 | 33 |
| Tina Brossow Green Bay | $290K | 33 |
| Benjamin Hodges Fort Atkinson | $3,443 | 33 |
| Elizabeth Pechstein Menomonee Falls | $68K | 32 |
| Michael Toye Milwaukee | $734K | 32 |
| Nikki Leow Green Bay | $7,246 | 32 |
| Julie Reynolds Appleton | $6,441 | 32 |
| Nicole Novak Wauwatosa | $290K | 32 |
| Michelle Hulman Wausau | $66K | 32 |
| Bridget Huenink Appleton | $32K | 32 |
| Sam Lubner Madison | $514K | 31 |
| Debra Franciosi Appleton | $44K | 31 |
| Carissa Ranieri Neenah | $1,481 | 31 |
| Beckysue Wolf Green Bay | $20K | 31 |
| Sidney Schulz Sherwood | $468 | 31 |
| Carly Kurth Janesville | $11K | 31 |
| Phillip Seep Eau Claire | $3,577 | 31 |
| Claire Bergman Madison | $463 | 31 |
| Rachel Miller Marshfield | $3,496 | 31 |
| Chinwe Opara Greendale | $146K | 31 |
| Kelly Dawson Sheboygan | $8,586 | 31 |
| Rajiv Varandani Milwaukee | $15K | 31 |
| Kaitlin Piggot Milwaukee | $18K | 31 |
| Rebecca Steger Appleton | $10K | 31 |
| Katrina Buretta Milwaukee | $32K | 31 |
| Lindsey Graff Wausau | $1,343 | 31 |
| Jennifer Steele Summit | $17K | 31 |
| Jill Phillips Madison | $26K | 31 |
| Patricia Wickert La Crosse | $35K | 31 |
| Michele Ellefson Fond Du Lac | $76K | 31 |
| Patricia Jones Cooper Glendale | $228K | 31 |
| Monica Szymanski Appleton | $68K | 31 |
| Stephanie Skogen La Crosse | $56K | 31 |
| Nyssa Slimack Kenosha | $2,830 | 31 |
| Krista Kirchner La Crosse | $53K | 31 |
| Sonja Rosenthal Milwaukee | $3,389 | 31 |
| Shannon Jacobi Franklin | $887 | 31 |
| Sarah Stewart Jefferson | $26K | 31 |
| Eric Bowen Appleton | $597 | 31 |
| Jenni Mincoff Rice Lake | $3,303 | 31 |
| Briana Gates Green Bay | $637 | 31 |
| Vanessa Mirabbasi Madison | $205K | 31 |
| Trisha Field Beloit | $38K | 31 |
| Leo Schug Sun Prairie | $2.0M | 30 |
| Francis Perez West Allis | $584K | 30 |
| James Messerly Wausau | $16K | 30 |
| Kristen Knoepke Madison | $427K | 30 |
| Brett Pariseau Madison | $2,195 | 30 |
Top Opioid Prescribers in Wisconsin
| Provider | Opioid Rate | Opioid Claims |
|---|---|---|
| Carina Jackman Milwaukee | 47.1% | N/A |
| Eddie Brotkowski Fond Du Lac | 27.9% | N/A |
| Brian Zafonte Mount Pleasant | 27.7% | N/A |
| Dean Tiboris Kenosha | 26.4% | N/A |
| Mark Kachan Green Bay | 26.0% | N/A |
| Thomas Parisi Wauwatosa | 11.0% | N/A |
| Amritha Karkera Green Bay | 7.7% | N/A |
| Abdel Hai Alqwasmi West Bend | 7.2% | N/A |
| Karen Mcnerney Milwaukee | 7.1% | N/A |
| Robert Sedlacek Merrill | 3.5% | N/A |
| Wendy Nunes Saint Croix Falls | 1.2% | N/A |
| Kathy Obermann Mosinee | 1.0% | N/A |
| Mary Grace Lasquety Milwaukee | 0.7% | N/A |
| Rachael Vanden Langenberg Green Bay | 0.4% | N/A |
Prescribers in Wisconsin
| Provider | Claims | Drug Cost |
|---|---|---|
| Wendy Nunes Saint Croix Falls | 1,479 | $182K |
| Michelle Rick West Allis | 15 | $615 |
| Rita Sabeti Elm Grove | 13 | $80 |
| Zachary Smith Milwaukee | 57 | $47K |
| Abdel Hai Alqwasmi West Bend | 2,741 | $4.9M |
| Mary Grace Lasquety Milwaukee | 3,613 | $381K |
| Robert Sedlacek Merrill | 7,306 | $770K |
| Mark Kachan Green Bay | 292 | $5,308 |
| Kathy Obermann Mosinee | 6,332 | $381K |
| Thomas Parisi Wauwatosa | 1,485 | $12K |
| Eddie Brotkowski Fond Du Lac | 244 | $1,580 |
| Brian Zafonte Mount Pleasant | 101 | $752 |
| Rachael Vanden Langenberg Green Bay | 10,561 | $943K |
| Amritha Karkera Green Bay | 1,702 | $1.9M |
| Karen Mcnerney Milwaukee | 1,561 | $113K |
| Dean Tiboris Kenosha | 436 | $1,506 |
| Carina Jackman Milwaukee | 102 | $20K |
| Anthony Lazaro Plymouth | 8,734 | $765K |
| Mon Yee Deforest | 8,700 | $672K |
| Geetha Ganesan Wauwatosa | 11,299 | $943K |
| Bozena Biernat De Pere | 20,100 | $1.8M |
| Michael Hoffman Manitowoc | 9,723 | $717K |
| Samuel Heiks Appleton | 10,715 | $838K |
| James Nash Marshfield | 11,978 | $1.3M |
| Robert Legrow Watertown | 8,759 | $768K |
| Paul Bernstein Milwaukee | 9,224 | $1.4M |
| Prakash Shah Milwaukee | 30,317 | $4.7M |
| Stephen Rudisill Beloit | 9,963 | $682K |
| Richard Lusis Grafton | 9,786 | $804K |
| Stephen Riggs Fort Atkinson | 11,513 | $769K |
| Thomas Brand Bayview | 13,436 | $1.3M |
| Michael Rogge Prairie Du Chien | 8,583 | $985K |
| Joseph Mathew Racine | 11,416 | $887K |
| Joseph Longo Ripon | 20,631 | $1.8M |
| Louie Coulis Sheboygan | 9,379 | $1.8M |
| William Cooper Oconomowoc | 12,676 | $882K |
| Amy Romandine Kratz Green Bay | 9,665 | $757K |
| Jenta Alexander Milwaukee | 11,520 | $1.3M |
| Chelsey Mageski Milwaukee | 11,578 | $641K |
| Hashim Sadig West Allis | 17,477 | $1.3M |
| Carrie Fitzsimmons Milwaukee | 8,788 | $410K |
| Jesusa Andres-Palines Depere | 12,250 | $889K |
| Georgia Brunette Superior | 10,986 | $1.1M |
| Michael Zeihen Kenosha | 9,765 | $916K |
| Brian Demaster Cedar Grove | 11,074 | $906K |
| Ankur Patel Wauwatosa | 10,814 | $933K |
| Amy Kelly Mount Pleasant | 10,683 | $922K |
| Jay Muller Fond Du Lac | 11,898 | $956K |
| Deborah Ihde Appleton | 13,891 | $2.1M |
| Leo Schug Sun Prairie | 19,784 | $2.0M |