| Children’s Community Health Plan | Children’s Community Health Plan | Children’s Community Health Plan | Brown, Calumet, Door, Fond du Lac, Forest, Green Lake, Jefferson, Kenosha, Kewaunee, Lincoln, Manitowoc, Marinette, Milwaukee, Oconto, Oneida, Outagamie, Ozaukee, Racine, Rock, Shawano, Sheboygan, Vilas, Walworth, Washington, Waukesha, Waupaca, Waushara, and Winnebago Counties | not reported | not reported | not reported | not reported | 2019: 121,146 |
| Children’s Community Health Plan | Children’s Community Health Plan | Children’s Community Health Plan | Brown, Calumet, Door, Fond du Lac, Green Lake, Jefferson, Kenosha, Kewaunee, Lincoln, Manitowoc, Marinette, Milwaukee, Oconto, Oneida, Outagamie, Ozuakee, Racine, Rock, Shawano, Sheboygan, Vilas, Washington, Waukesha, Waupaca, Waushara, and Winnebago Counties | not reported | not reported | not reported | not reported | 2020: 133,385 |
| Children’s Community Health Plan | Children’s Community Health Plan | Children’s Community Health Plan | Counties: Brown, Calumet, Kenosha, Milwaukee, Outagamie, Ozaukee, Racine, Sheboygan, Walworth, Washington, Waukesha, Waupaca, Winnebago | not reported | not reported | not reported | not reported | 2016: 131,799; 2017: 128,962 |
| Children’s Community Health Plan | Children’s Community Health Plan | Children’s Community Health Plan | Counties: Brown, Calumet, Kenosha, Milwaukee, Outagamie, Ozaukee, Racine, Sheboygan, Walworth, Washington, Waukesha, Waupaca, Winnebago | not reported | not reported | not reported | not reported | 2018: 124,190 |
| Chorus Community Health Plans | Children's Wisconsin | Children's Wisconsin | Brown, Calumet, Door, Fond du Lac, Green Lake, Jefferson, Kenosha, Kewaunee, Lincoln, Manitowoc, Marinette, Milwaukee, Oconto, Oneida, Outagamie, Ozaukee, Racine, Rock, Shawano, Sheboygan, Vilas, Washington, Waukesha, Waupaca, Waushara, and Winnebago Counties | CMS reported 120,491 (2024) | 14.4% | -28,454 (-19.1%) | +0.1 pts | 2023: 148,945; 2024: 120,491 |
| Compcare | Compcare | Compcare | Counties: Adams, Ashland, Barron, Bayfield, Burnett, Chippewa, Columbia, Crawford, Douglas, Dunn, Eau Claire, Grant, Green, Iowa, Jackson, Juneau, La Crosse, Lafayette, Lincoln, Marathon, Monroe, Pepin, Pierce, Price, Rusk, St. Croix, Sawyer, Trempealeau, Vernon, Washburn | not reported | not reported | not reported | not reported | 2016: 21,861; 2017: 20,442 |
| Dean Health Plan, Inc. | Dean Health Plan | Dean Health Plan | Columbia, Dane, Dodge, Iowa, Jefferson, Rock, and Sauk counties | not reported | not reported | not reported | not reported | 2021: 46,360 |
| Dean Health Plan, Inc. | Dean Health System and SSM Health Care | Dean Health System and SSM Health Care | Columbia, Dane, Dodge, Iowa, Jefferson, Rock, and Sauk Counties | CMS reported 40,211 (2024) | 4.8% | -9,677 (-19.4%) | +0.0 pts | 2022: 50,041; 2023: 49,888; 2024: 40,211 |
| Dean Health Plan | Dean Health Plan | Dean Health Plan | Columbia, Dane, Dodge, Iowa, Jefferson, Rock, and Sauk Counties | not reported | not reported | not reported | not reported | 2019: 36,280; 2020: 39,999 |
| Dean Health Plan | Dean Health Plan | Dean Health Plan | Counties: Columbia, Dane, Dodge, Grant, Iowa, Jefferson, Rock, Sauk | not reported | not reported | not reported | not reported | 2016: 41,823; 2017: 40,443; 2018: 37,656 |
| Group Health Cooperative Of Eau Claire | Group Health Cooperative Of Eau Claire | Group Health Cooperative of Eau Claire | Adams, Ashland, Barron, Bayfield, Buffalo, Burnett, Chippewa, Clark, Columbia, Crawford, Douglas, Dunn, Eau Claire, Forest, Grant, Green, Iowa, Iron, Jackson, Juneau, La Crosse, Lafayette, Langlade, Lincoln, Marathon, Monroe, Oneida, Pepin, Pierce, Polk, Price, Richland, Rusk, Sawyer, Shawano, St. Croix, Taylor, Trempealeau, Vernon, Vilas, Washburn, and Wood Counties | not reported | not reported | not reported | not reported | 2019: 44,906 |
| Group Health Cooperative Of Eau Claire | Group Health Cooperative | Group Health Cooperative | Counties: Adams, Ashland, Barron, Bayfield, Buffalo, Burnett, Chippewa, Clark, Columbia, Crawford, Douglas, Dunn, Eau Claire, Forest, Grant, Green, Iowa, Iron, Jackson, Juneau, La Crosse, Lafayette, Langlade, Lincoln, Marathon, Monroe, Oneida, Pepin, Pierce, Polk, Portage, Price, Rusk, St. Croix, Sawyer, Shawano, Taylor, Trempealeau, Vernon, Vilas, Washburn, Wood | not reported | not reported | not reported | not reported | 2016: 39,468; 2017: 39,614; 2018: 48,285 |
| Group Health Cooperative Of South Central WI | Group Health Cooperative Of South Central WI | Group Health Cooperative of South Central WI | Dane County | not reported | not reported | not reported | not reported | 2019: 5,332 |
| Group Health Cooperative Of South Central WI | Group Health Cooperative | Group Health Cooperative | County: Dane | not reported | not reported | not reported | not reported | 2016: 5,921; 2017: 5,342; 2018: 5,449 |
| Group Health Cooperative of Eau Claire | Group Health Cooperative of Eau Claire | Group Health Cooperative of Eau Claire | Adams, Ashland, Barron, Bayfield, Buffalo, Burnett, Chippewa, Clark, Crawford, Douglas, Dunn, Eau Claire, Forest, Grant, Green, Iowa, Iron, Jackson, Juneau, La Crosee, Lafayette, Langlade, Marathon, Monroe, Oneida, Pepin, Pierce, Polk, Portage, Price, Richland, Rusk, St. Criox, Sauk, Sawyer, Shawano, Taylor, Trempealeau, Vernon, Vilas, Washburn, and Wood Counties | not reported | not reported | not reported | not reported | 2020: 48,762 |
| Group Health Cooperative of Eau Claire | Group Health Cooperative of Eau Claire | Group Health Cooperative of Eau Claire | Adams, Ashland, Barron, Bayfield, Buffalo, Burnett, Chippewa, Clark, Crawford, Douglas, Dunn, Eau Claire, Forest, Grant, Green, Iowa, Iron, Jackson, Juneau, La Crosee, Lafayette, Langlade, Marathon, Monroe, Oneida, Pepin, Pierce, Polk, Portage, Price, Richland, Rusk, St. Criox, Sauk, Sawyer, Shawano, Taylor, Trempealeau, Vernon, Vilas, Washburn, and Wood counties | not reported | not reported | not reported | not reported | 2021: 53,889 |
| Group Health Cooperative of Eau Claire | Group Health Cooperative of Eau Claire | Group Health Cooperative of Eau Claire | Adams, Ashland, Barron, Bayfield, Buffalo, Burnett, Chippewa, Clark, Crawford, Douglas, Dunn, Eau Claire, Forest, Grant, Green, Iowa, Iron, Jackson, Juneau, La Crosse, Lafayette, Langlade, Marathon, Monroe, Oneida, Pepin, Pierce, Polk, Portage, Price, Richland, Rusk, St. Croix, Sauk, Sawyer, Shawano, Taylor, Trempealeau, Vernon, Vilas, Washburn, and Wood Counties | CMS reported 45,374 (2024) | 5.4% | -10,681 (-19.1%) | +0.0 pts | 2022: 56,668; 2023: 56,055; 2024: 45,374 |
| Group Health Cooperative of South Central WI | Group Health Cooperative of South Central WI | Group Health Cooperative of South Central WI | Dane County | CMS reported 6,801 (2024) | 0.8% | -1,462 (-17.7%) | +0.0 pts | 2023: 8,263; 2024: 6,801 |
| Group Health Cooperative of South Central WI | Group Health Cooperative of South Central WI | Group Health Cooperative of South Central WI | Dane | not reported | not reported | not reported | not reported | 2022: 7,990 |
| Group Health Cooperative of South Central Wisconsin | Group Health Cooperative of South Central Wisconsin | Group Health Cooperative of South Central Wisconsin | Dane county | not reported | not reported | not reported | not reported | 2021: 7,606 |
| Group Health Cooperative of South Central | Group Health Cooperative of South Central WI | Group Health Cooperative of South Central WI | Dane | not reported | not reported | not reported | not reported | 2020: 6,346 |
| Gundersen Health Plan | Gundersen Health Plan | Gundersen Health Plan | Counties: Buffalo, Crawford, Grant, Jackson, Juneau, La Crosse, Monroe, Richland, Sauk, Trempealeau, Vernon | not reported | not reported | not reported | not reported | 2016: 17,082; 2017: 16,375 |
| Health Tradition Health Plan | Health Tradition Health Plan | Health Tradition Health Plan | Counties: Buffalo, Crawford, Grant, La Crosse, Monroe, Trempealeau, Vernon | not reported | not reported | not reported | not reported | 2016: 8,917; 2017: 8,543 |
| Independent Care (ICARE) Health Plan | Humana | Humana | Adams, Brown, Calumet, Columbia, Crawford, Door, Fond du Lac, Grant, Green, Green Lake, Iowa, Jackson, Jefferson, Juneau, Kenosha, Kewaunee, La Crosse, Manitowoc, Marinette, Milwaukee, Monroe, Oconto, Outagamie, Ozuakee, Racine, Richland, Sauk, Shawano, Sheboygan, Trempealeau, Vernon, Walworth, Washington, Waukesha, Waupaca, and Winnebago counties | not reported | not reported | not reported | not reported | 2021: 28,884 |
| Independent Care (Icare) Health Plan | Humana | Humana | Adams, Brown, Calumet, Columbia, Crawford, Door, Fond du Lac, Grant, Green, Green Lake, Iowa, Jackson, Jefferson, Juneau, Kenosha, Kewaunee, La Crosse, Manitowoc, Marinette, Milwaukee, Monroe, Oconto, Outagamie, Ozuakee, Racine, Richland, Sauk, Shawano, Sheboygan, Trempealeau, Vernon, Walworth, Washington, Waukesha, Waupaca, and Winnebago Counties | not reported | not reported | not reported | not reported | 2022: 31,945 |
| Independent Care (iCare) | Independent Care (iCare) | Independent Care (iCare) | Adams, Brown, Calumet, Columbia, Crawford, Door, Fond du Lac, Grant, Green, Green Lake, Iowa, Jackson, Jefferson, Juneau, Kenosha, Kewaunee, La Crosse, Manitowoc, Marinette, Milwaukee, Monroe, Oconto, Outagamie, Ozuakee, Racine, Richland, Sauk, Shawano, Sheboygan, Trempealeau, Vernon, Walworth, Washington, Waukesha, Waupaca, and Winnebago Counties | not reported | not reported | not reported | not reported | 2020: 22,635 |
| Independent Care (iCare) | Independent Care (iCare) | Independent Care (iCare) | Adams, Brown, Calumet, Crawford, Door, Fond du Lac, Grant, Green, Jackson, Juneau, Kenosha, Kewaunee, La Crosse, Manitowoc, Marathon, Marinette, Milwaukee, Monroe, Oconto, Outagamie, Ozaukee, Racine, Sauk, Shawano, Sheboygan, Trempealeau, Vernon, Walworth, Washington, Waukesha, Waupaca, and Winnebago Counties | not reported | not reported | not reported | not reported | 2019: 17,008 |
| Independent Care (iCare) | Independent Care (iCare) | Independent Care (iCare) | Counties: Adams, Brown, Door, Fond du Lac, Grant, Green, Jackson, Juneau, Kenosha, Kewaunee, La Crosse, Manitowoc, Marinette, Milwaukee, Monroe, Oconto, Outagamie, Ozaukee, Racine, Sheboygan, Trempealeau, Vernon, Walworth, Washington, Waukesha, Waupaca, Winnebago | not reported | not reported | not reported | not reported | 2016: 11,583; 2017: 13,494 |
| Independent Care (iCare) | iCare | iCare | Counties: Adams, Brown, Door, Fond du Lac, Grant, Green, Jackson, Juneau, Kenosha, Kewaunee, La Crosse, Manitowoc, Marinette, Milwaukee, Monroe, Oconto, Outagamie, Ozaukee, Racine, Sheboygan, Trempealeau, Vernon, Walworth, Washington, Waukesha, Waupaca, Winnebago | not reported | not reported | not reported | not reported | 2018: 15,939 |
| Independent Care Health Plan | Humana | Humana | Adams, Brown, Calumet, Columbia, Crawford, Door, Fond du Lac, Grant, Green, Green Lake, Iowa, Jackson, Jefferson, Juneau, Kenosha, Kewaunee, La Crosse, Manitowoc, Marinette, Milwaukee, Monroe, Oconto, Outagamie, Ozaukee, Racine, Richland, Sauk, Shawano, Sheboygan, Trempealeau, Vernon, Walworth, Washington, Waukesha, Waupaca, and Winnebago Counties | CMS reported 26,340 (2024) | 3.1% | -6,503 (-19.8%) | -0.0 pts | 2023: 32,843; 2024: 26,340 |
| MHS Health Wisconsin | Centene Corporation | Centene | Statewide | CMS reported 46,263 (2024) | 5.5% | -13,450 (-22.5%) | -0.2 pts | 2021: 52,272; 2022: 58,114; 2023: 59,713; 2024: 46,263 |
| MHS of Wisconsin | MHS of Wisconsin | MHS of Wisconsin | Adams, Ashland, Barron, Bayfield, Brown, Buffalo, Burnett, Calumet, Chippewa, Clark, Columbia, Crawford, Dane, Dodge, Door, Douglas, Dunn, Eau Claire, Florence, Fond du Lac, Forest, Grant, Green, Green Lake, Iowa, Iron, Jackson, Jefferson, Juneau, Kenosha, Kewaunee, La Crosse, Lafayette, Langlade, Lincoln, Manitowoc, Marathon, Marinette, Marquette, Menominee, Milwaukee, Monroe, Oconto, Oneida, Outagamie, Ozaukee, Pepin, Pierce, Polk, Portage, Price, Racine, Richland, Rock, Rusk, Sauk, Sawyer, Shawano, Sheboygan, St. Croix, Taylor, Trempealeau, Vernon, Vilas, Walworth, Washburn, Washington, Waukesha, Waupaca, Waushara, Winnebago, and Wood Counties | not reported | not reported | not reported | not reported | 2019: 34,064 |
| MHS of Wisconsin | MHS of Wisconsin | MHS of Wisconsin | Counties: Ashland, Adams, Barron, Bayfield, Brown, Buffalo, Calumet, Chippewa, Clark, Crawford, Dane, Dodge, Door, Douglas, Dunn, Eau Claire, Fond du Lac, Forest, Grant, Green, Green Lake, Iowa, Iron, Jackson, Jefferson, Juneau, Kenosha, Kewaunee, La Crosse, Lafayette, Langlade, Lincoln, Manitowoc, Marathon, Marinette, Marquette, Menominee, Milwaukee, Monroe, Oconto, Oneida, Outagamie, Ozaukee, Pepin, Pierce, Polk, Portage, Price, Racine, Richland, Rock, Rusk, Sawyer, Shawano, Sheboygan, St. Croix, Sauk, Taylor, Trempealeau, Vernon, Vilas, Walworth, Washburn, Washington, Waukesha, Waupaca, Waushara, Winnebago, Wood | not reported | not reported | not reported | not reported | 2018: 32,468 |
| MHS of Wisconsin | MHS of Wisconsin | MHS of Wisconsin | Counties: Ashland, Bayfield, Brown, Calumet, Chippewa, Clark, Crawford, Dodge, Door, Douglas, Eau Claire, Fond du Lac, Forest, Green Lake, Iron, Jefferson, Kenosha, Kewaunee, Langlade, Lincoln, Manitowoc, Marathon, Marinette, Marquette, Menominee, Milwaukee, Oconto, Oneida, Outagamie, Ozaukee, Polk, Portage, Price, Racine, Rock, Rusk, Sawyer, Shawano, Sheboygan, Taylor, Vilas, Walworth, Washburn, Waukesha, Waupaca, Waushara, Winnebago, Wood | not reported | not reported | not reported | not reported | 2016: 32,624; 2017: 30,921 |
| MHS of Wisconsin | MHS of Wisconsin | MHS of Wisconsin | Statewide | not reported | not reported | not reported | not reported | 2020: 42,862 |
| MercyCare Health Plans | Mercy Health Corporation | Mercy Health Corporation | Rock and Walworth Counties | CMS reported 12,625 (2024) | 1.5% | -3,562 (-22.0%) | -0.0 pts | 2023: 16,187; 2024: 12,625 |
| MercyCare Insurance Company | Mercy Care | Mercy Care | Counties: Dane, Green, Jefferson, Rock, Walworth | not reported | not reported | not reported | not reported | 2016: 14,444; 2017: 13,730; 2018: 12,338 |
| MercyCare Insurance Company | MercyCare Health Plans | MercyCare Health Plans | Rock and Walworth counties | not reported | not reported | not reported | not reported | 2021: 15,435 |
| MercyCare Insurance Company | MercyCare Insurance Company | MercyCare Insurance Company | Rock and Walworth Counties | not reported | not reported | not reported | not reported | 2019: 11,817; 2020: 13,303 |
| Mercycare Health Plans | Mercycare Health Plans | MercyCare Health Plans | Rock and Walworth Counties | not reported | not reported | not reported | not reported | 2022: 16,419 |
| Molina Health Plan | Molina Health Plan | Molina | Brown, Calumet, Dodge, Door, Florence, Fond du Lac, Forest, Green Lake, Jefferson, Kenosha, Kewaunee, Langlade, Lincoln, Manitowoc, Marathon, Marinette, Marquette, Milwaukee, Oconto, Oneida, Outagamie, Ozaukee, Portage, Racine, Shawano, Sheboygan, Taylor, Vilas, Walworth, Washington, Waukesha, Waupaca, Waushara, Winnebago, Wood, NHP, Adams, Ashland, Barron, Bayfield, Brown, Buffalo, Burnett, Calumet, Chippewa, Clark, Columbia, Crawford, Dane, Dodge, Door, Douglas, Dunn, Eau Claire, Florence, Fond du Lac, Forest, Grant, Green, Green Lake, Iowa, Iron, Jackson, Jefferson, Juneau, Kenosha, Kewaunee, La Crosse, Lafayette, Langlade, Lincoln, Manitowoc, Marathon, Marinette, Marquette, Menominee, Milwaukee, Monroe, Oconto, Oneida, Outagamie, Ozaukee, Pepin, Pierce, Polk, Portage, Price, Racine, Richland, Rock, Rusk, Sauk, Sawyer, Shawano, Sheboygan, St. Croix, Taylor, Trempealeau, Vernon, Vilas, Walworth, Washburn, Washington, Waukesha, Waupaca, Waushara, Winnebago, and Wood Counties | not reported | not reported | not reported | not reported | 2019: 54,355 |
| Molina Health Plan | Molina Healthcare | Molina | Brown, Calumet, Dodge, Door, Florence, Fond du Lac, Forest, Green Lake, Jefferson, Kenosha, Kewaunee, Lincoln, Manitowoc, Marathon, Marinette, Marquette, Milwaukee, Oconto, Oneida, Outagamie, Ozaukee, Portage, Racine, Shawano, Sheboygan, Vilas, Walworth, Washington, Waukesha, Waupaca, Waushara, and Winnebago Counties | not reported | not reported | not reported | not reported | 2020: 60,471 |
| Molina Health Plan | Molina Healthcare | Molina | Counties: Brown, Calumet, Clark, Dodge, Door, Florence, Fond du Lac, Forest, Green Lake, Jefferson, Kenosha, Kewaunee, Langlade, Lincoln, Manitowoc, Marathon, Marinette, Marquette, Milwaukee, Oconto, Oneida, Outagamie, Ozaukee, Portage, Racine, Shawano, Sheboygan, Taylor, Vilas, Walworth, Washington, Waukesha, Waupaca, Waushara, Winnebago, Wood | not reported | not reported | not reported | not reported | 2016: 68,201; 2017: 61,517; 2018: 56,565 |
| Molina Healthcare of Wisconsin, Inc. | Molina Healthcare, Inc. | Molina | Brown, Calumet, Dodge, Florence, Forest, Green Lake, Kenosha, Kewaunee, Manitowoc, Marinette, Marquette, Milwaukee, Oconto, Oneida, Outagamie, Ozaukee, Portage, Racine, Shawano, Sheboygan, Vilas, Walworth, Washington, Waukesha, Waupaca, Waushara, and Winnebago Counties | CMS reported 71,782 (2024) | 8.5% | -19,988 (-21.8%) | -0.2 pts | 2023: 91,770; 2024: 71,782 |
| Molina Healthcare of Wisconsin | Molina Healthcare, Inc. | Molina | Brown, Calumet, Dodge, Door, Florence, Fond du Lac, Forest, Green Lake, Jefferson, Kenosha, Kewaunee, Lincoln, Manitowoc, Marathon, Marinette, Marquette, Milwaukee, Oconto, Oneida, Outagamie, Ozaukee, Portage, Racine, Shawano, Sheboygan, Vilas, Walworth, Washington, Waukesha, Waupaca, Waushara, and Winnebago Counties | not reported | not reported | not reported | not reported | 2022: 70,226 |
| Molina Healthcare of Wisconsin | Molina Healthcare, Inc | Molina | Brown, Calumet, Dodge, Door, Florence, Fond du Lac, Forest, Green Lake, Jefferson, Kenosha, Kewaunee, Lincoln, Manitowoc, Marathon, Marinette, Marquette, Milwaukee, Oconto, Oneida, Outagamie, Ozaukee, Portage, Racine, Shawano, Sheboygan, Vilas, Walworth, Washington, Waukesha, Waupaca, Waushara, and Winnebago counties | not reported | not reported | not reported | not reported | 2021: 67,287 |
| My Choice Wisconsin Health Plan Inc. | My Choice Wisconsin Health Plan Inc. | My Choice Wisconsin Health Plan Inc. | Brown, Calumet, Dodge, Florence, Forest, Green Lake, Kenosha, Kewaunee, Manitowoc, Marinette, Marquette, Milwaukee, Oconto, Oneida, Outagamie, Ozaukee, Portage, Racine, Shawano, Sheboygan, Vilas, Walworth, Washington, Waukesha, Waupaca, Waushara, and Winnebago counties | not reported | not reported | not reported | not reported | 2021: 21,665 |
| My Choice Wisconsin Health Plan | My Choice Wisconsin, Inc. | My Choice Wisconsin | Brown, Calumet, Dodge, Florence, Forest, Green Lake, Kenosha, Kewaunee, Manitowoc, Marinette, Marquette, Milwaukee, Oconto, Oneida, Outagamie, Ozaukee, Portage, Racine, Shawano, Sheboygan, Vilas, Walworth, Washingon, Waukesha, Waupaca, Waushara, and Winnebago Counties | not reported | not reported | not reported | not reported | 2020: 17,749 |
| My Choice Wisconsin | My Choice Wisconsin | My Choice Wisconsin | Brown, Calumet, Dodge, Florence, Forest, Green Lake, Kenosha, Kewaunee, Manitowoc, Marinette, Marquette, Milwaukee, Oconto, Oneida, Outagamie, Ozaukee, Portage, Racine, Shawano, Sheboygan, Vilas, Walworth, Washington, Waukesha, Waupaca, Waushara, and Winnebago Counties | not reported | not reported | not reported | not reported | 2022: 23,353 |
| Network Health Plan | Froedtert ThedaCare Health | Froedtert ThedaCare Health | Statewide | CMS reported 42,946 (2024) | 5.1% | -14,872 (-25.7%) | -0.4 pts | 2020: 43,754; 2021: 53,712; 2022: 57,840; 2023: 57,818; 2024: 42,946 |
| Network Health Plan | Network Health Plan | Network Health Plan | Adams, Ashland, Barron, Bayfield, Brown, Buffalo, Burnett, Calumet, Chippewa, Clark, Columbia, Crawford, Dane, Dodge, Door, Douglas, Dunn, Eau Claire, Florence, Fond du Lac, Forest, Grant, Green, Green Lake, Iowa, Iron, Jackson, Jefferson, Juneau, Kenosha, Kewaunee, La Crosse, Lafayette, Langlade, Lincoln, Manitowoc, Marathon, Marinette, Marquette, Menominee, Milwaukee, Monroe, Oconto, Oneida, Outagamie, Ozaukee, Pepin, Pierce, Polk, Portage, Price, Racine, Richland, Rock, Rusk, Sauk, Sawyer, Shawano, Sheboygan, St. Croix, Taylor, Trempealeau, Vernon, Vilas, Walworth, Washburn, Washington, Waukesha, Waupaca, Waushara, Winnebago, and Wood Counties | not reported | not reported | not reported | not reported | 2019: 35,068 |
| Network Health Plan | Network Health Plan | Network Health Plan | Counties: Ashland, Bayfield, Brown, Calumet, Chippewa, Clark, Crawford, Dodge, Door, Douglas, Eau Claire, Fond du Lac, Forest, Green Lake, Iron, Jefferson, Kenosha, Kewaunee, Langlade, Lincoln, Manitowoc, Marathon, Marinette, Marquette, Menominee, Milwaukee, Oconto, Oneida, Outagamie, Ozaukee, Polk, Portage, Price, Racine, Rock, Rusk, Sawyer, Shawano, Sheboygan, Taylor, Vilas, Walworth, Washburn, Waukesha, Waupaca, Waushara, Winnebago, Wood | not reported | not reported | not reported | not reported | 2016: 33,350; 2017: 32,157 |
| Network Health Plan | Network Health Plan | Network Health Plan | Counties: Ashland, Bayfield, Brown, Calumet, Chippewa, Clark, Crawford, Dodge, Door, Douglas, Eau Claire, Fond du Lac, Forest, Green Lake, Iron, Jefferson, Kenosha, Kewaunee, Langlade, Lincoln, Manitowoc, Marathon, Marinette, Marquette, Menominee, Milwaukee, Oconto, Oneida, Outagamie, Ozaukee, Polk, Portage, Price, Racine, Rock, Rusk, Sawyer, Shawano, Sheboygan, Taylor, Vilas, Walworth, Washburn, Waukesha, Waupaca, Waushara, Winnebago, Wood | not reported | not reported | not reported | not reported | 2018: 33,561 |
| Physicians Plus Health Plan | Physicians Plus Health Plan | Physicians Plus Health Plan | County: Dane | not reported | not reported | not reported | not reported | 2016: 10,268; 2017: 9,751; 2018: 9,331 |
| Quartz | Aurora Health Care, Inc., Gundersen Lutheran Health System, Inc., Iowa Health System and University Health Care, Inc. | Aurora Health Care, Inc., Gundersen Lutheran Health System, Inc., Iowa Health System and University Health Care, Inc. | Buffalo, Columbia, Crawford, Dane, Dodge, Fond du Lac, Grant, Green, Jackson, Jefferson, Kenosha, La Crosse, Monroe, Rock, Sauk, Taylor, and Trempealeau counties | not reported | not reported | not reported | not reported | 2021: 49,717 |
| Quartz | Quartz Health Insurance Corporation | Quartz Health Insurance Corporation | Buffalo, Columbia, Crawford, Dane, Dodge, Fond du Lac, Grant, Green, Jackson, Jefferson, Kenosha, La Crosse, Monroe, Rock, Sauk, Taylor, and Trempealeau Counties | CMS reported 42,166 (2024) | 5.0% | -11,243 (-21.1%) | -0.1 pts | 2020: 42,167; 2022: 53,405; 2023: 53,409; 2024: 42,166 |
| Quartz | Quartz | Quartz | Buffalo, Columbia, Crawford, Dane, Fond du Lac, Grant, Green, Jackson, Jefferson, Juneau, La Crosse, Monroe, Rock, Sauk, Trempealeau, and Vernon Counties | not reported | not reported | not reported | not reported | 2019: 37,151 |
| Quartz | Quartz | Quartz | Counties: Buffalo, Columbia, Crawford, Dane, Dodge, Fond du Lac, Grant, Green, Jackson, Jefferson, Juneau, La Crosse, Monroe, Rock, Sauk, Trempealeau, Vernon | not reported | not reported | not reported | not reported | 2018: 29,839 |
| Security Health Plan of Wisc | Marshfield Clinic Health System | Marshfield Clinic Health System | Adams, Ashland, Barron, Bayfield, Buffalo, Burnette, Chippewa, Clark, Crawford, Dodge, Douglas, Dunn, Eau Claire, Forest, Green Lake, Iron, Jackson, Juneau, La Crosse, Langlade, Lincoln, Marathon, Marquette, Monroe, Oneida, Outagamie, Pepin, Pierce, Polk, Portage, Price, Rusk, Sawyer, Shawano, Taylor, Trempealeau, Vernon, Vilas, Washburn, Waupaca, Waushara, and Winnebago | not reported | not reported | not reported | not reported | 2022: 75,638 |
| Security Health Plan of Wisconsin | Marshfield Clinic Health System | Marshfield Clinic Health System | Adams, Ashland, Barron, Bayfield, Buffalo, Burnette, Chippewa, Clark, Crawford, Dodge, Douglas, Dunn, Eau Claire, Forest, Green Lake, Iron, Jackson, Juneau, La Crosse, Langlade, Lincoln, Marathon, Marquette, Monroe, Oneida, Outagamie, Pepin, Pierce, Polk, Portage, Price, Rusk, Sawyer, Shawano, Taylor, Trempealeau, Vernon, Vilas, Washburn, Waupaca, Waushara, and Winnebago Counties | CMS reported 63,323 (2024) | 7.5% | -14,130 (-18.2%) | +0.1 pts | 2023: 77,453; 2024: 63,323 |
| Security Health Plan of Wisconsin | Security Health Plan | Security Health Plan | Adams, Ashland, Barron, Bayfield, Buffalo, Burnette, Chippewa, Clark, Crawford, Dodge, Douglas, Dunn, Eau Claire, Forest, Green Lake, Iron, Jackson, Juneau, La Crosse, Langlade, Lincoln, Marathon, Marquette, Monroe, Oneida, Outagamie, Pepin, Pierce, Polk, Portage, Price, Rusk, Sawyer, Shawano, Taylor, Trempealeau, Vernon, Vilas, Washburn, Waupaca, Waushara, and Winnebago counties | not reported | not reported | not reported | not reported | 2021: 70,846 |
| Security Health Plan of Wisconsin | Security Health Plan | Security Health Plan | Adams, Ashland, Barron, Bayfield, Buffalo, Burnette, Chippewa, Clark, Crawford, Dodge, Douglas, Dunn, Eau Claire, Forest, Green Lake, Iron, Jackson, Juneau, La Crosse, Langlade, Lincoln, Marathon, Marquette, Monroe, Oneida, Outagamie, Pepin, Pierce, Polk, Portage, Price, Rusk, Sawyer, Shawano, Taylor, Trempealeau, Vernon, Vilas, Washburn, Waupaca, Waushara, and Winnebago | not reported | not reported | not reported | not reported | 2020: 61,622 |
| Security Health Plan | Security Health Plan | Security Health Plan | Adams, Ashland, Barron, Bayfield, Buffalo, Burnett, Chippewa, Clark, Crawford, Douglas, Dunn, Eau Claire, Forest, Green Lake, Iron, Jackson, Juneau, La Crosse, Langlade, Lincoln, Marathon, Marquette, Monroe, Oneida, Outagamie, Pepin, Pierce, Polk, Portage, Price, Rusk, Sawyer, Shawano, Taylor, Trempealeau, Vernon, Vilas, Washburn, Waupaca, Waushara, and Wood Counties | not reported | not reported | not reported | not reported | 2019: 55,094 |
| Security Health Plan | Security Health Plan | Security Health Plan | Counties: Adams, Ashland, Barron, Bayfield, Burnett, Chippewa, Clark, Douglas, Dunn, Eau Claire, Forest, Iron, Jackson, Juneau, Langlade, Lincoln, Marathon, Monroe, Oneida, Pepin, Portage, Price, Rusk, Sawyer, Shawano, Taylor, Trempealeau, Vilas, Washburn, Waupaca, Waushara, Wood | not reported | not reported | not reported | not reported | 2016: 56,480; 2017: 55,671; 2018: 55,728 |
| Trilogy Health Insurance | Trilogy Health Insurance | Trilogy Health Insurance | Brown, Calumet, Dodge, Florence, Forest, Green Lake, Kenosha, Kewaunee, Manitowoc, Marathon, Marinette, Milwaukee, Oconto, Oneida, Outagamie, Ozaukee, Portage, Racine, Shawano, Sheboygan, Vilas, Walworth, Washington, Waukesha, Waupaca, Waushara, and Winnebago Counties | not reported | not reported | not reported | not reported | 2019: 12,493 |
| Trilogy Health Insurance | Trilogy Health Insurance | Trilogy Health Insurance | Counties: Brown, Dodge, Green Lake, Kenosha, Marinette, Milwaukee, Oconto, Outagamie, Ozaukee, Racine, Shawano, Sheboygan, Washington, Waukesha, Waupaca, Waushara, Winnebago | not reported | not reported | not reported | not reported | 2016: 7,687; 2017: 9,241; 2018: 10,793 |
| United Healthcare Community Plan | UnitedHealthcare, Inc, PacifiCare Health Systems | UnitedHealth | Statewide | not reported | not reported | not reported | not reported | 2021: 212,105; 2022: 235,855 |
| UnitedHealthcare Community Plan | UnitedHealth Group | UnitedHealth | Statewide | CMS reported 200,145 (2024) | 23.8% | -40,679 (-16.9%) | +0.8 pts | 2020: 174,787; 2023: 240,824; 2024: 200,145 |
| UnitedHealthcare Community Plan | UnitedHealthcare Community Plan | UnitedHealth | Adams, Ashland, Barron, Bayfield, Brown, Burnett, Calumet, Chippewa, Clark, Columbia, Crawford, Dane, Dodge, Door, Douglas, Eau Claire, Florence, Fond du Lac, Forest, Grant, Green, Green Lake, Jackson, Jefferson, Juneau, Kenosha, Kewaunee, La Crosse, Lafayette, Langlade, Lincoln, Manitowoc, Marathon, Marinette, Marquette, Menominee, Milwaukee, Monroe, Oconto, Oneida, Outagamie, Ozaukee, Pierce, Polk, Portage, Price, Racine, Richland, Rock, Sauk, Sawyer, Shawano, Sheboygan, St. Croix, Taylor, Trempealeau, Vernon, Vilas, Walworth, Washburn, Washington, Waukesha, Waupaca, Waushara, Winnebago, and Wood Counties | not reported | not reported | not reported | not reported | 2019: 147,484 |
| UnitedHealthcare Community Plan | UnitedHealthcare Community Plan | UnitedHealth | Counties: Adams, Ashland, Barron, Bayfield, Brown, Burnett, Calumet, Chippewa, Columbia, Crawford, Dane, Dodge, Door, Douglas, Eau Claire, Florence, Fond du Lac, Forest, Green, Green Lake, Jefferson, Kenosha, Kewaunee, La Crosse, Langlade, Lincoln, Manitowoc, Marathon, Marinette, Marquette, Menominee, Milwaukee, Monroe, Oconto, Oneida, Outagamie, Ozaukee, Pierce, Polk, Portage, Price, Racine, Rock, St. Croix, Sauk, Sawyer, Shawano, Sheboygan, Taylor, Trempealeau, Vernon, Vilas, Walworth, Washburn, Washington, Waukesha, Waupaca, Waushara, Winnebago, Wood | not reported | not reported | not reported | not reported | 2016: 135,494; 2017: 140,089 |
| UnitedHealthcare Community Plan | UnitedHealthcare | UnitedHealth | Counties: Adams, Ashland, Barron, Bayfield, Brown, Burnett, Calumet, Chippewa, Columbia, Crawford, Dane, Dodge, Door, Douglas, Eau Claire, Florence, Fond du Lac, Forest, Green, Green Lake, Jefferson, Kenosha, Kewaunee, La Crosse, Langlade, Lincoln, Manitowoc, Marathon, Marinette, Marquette, Menominee, Milwaukee, Monroe, Oconto, Oneida, Outagamie, Ozaukee, Pierce, Polk, Portage, Price, Racine, Rock, St. Croix, Sauk, Sawyer, Shawano, Sheboygan, Taylor, Trempealeau, Vernon, Vilas, Walworth, Washburn, Washington, Waukesha, Waupaca, Waushara, Winnebago, Wood | not reported | not reported | not reported | not reported | 2018: 144,955 |
| Unity Health Plan | Unity Health Plan | Unity Health Plan | Counties: Columbia, Dane, Dodge, Fond du Lac, Green, Jefferson, Juneau, Rock, Sauk | not reported | not reported | not reported | not reported | 2016: 15,739; 2017: 15,906 |