CLIA laboratories in Wisconsin

5,214 laboratories hold an active CLIA certificate in Wisconsin in the CMS file for Q2 2026 (latest record: Jun 29, 2026).

Credentialing a laboratory, checking a claim or a contract? A dated CLIA certificate report ($19) — or a whole list checked at once.

By certificate type

By facility type

By city

• Altoona — 22
• Amery — 10
• Antigo — 16
• Appleton — 134
• Ashland — 24
• Baldwin — 14
• Baraboo — 24
• Beaver Dam — 27
• Beloit — 41
• Berlin — 15
• Black River Falls — 19
• Bloomer — 12
• Brookfield — 85
• Brown Deer — 13
• Burlington — 23
• Cedarburg — 18
• Chilton — 11
• Chippewa Falls — 38
• Clintonville — 11
• Cudahy — 17
• Darlington — 10
• De Forest — 11
• De Pere — 34
• Delafield — 10
• Delavan — 14
• Dodgeville — 19
• Eagle River — 15
• Eau Claire — 87
• Elkhorn — 20
• Ellsworth — 13
• Fitchburg — 17
• Fond Du Lac — 61
• Fort Atkinson — 31
• Franklin — 45
• Germantown — 28
• Glendale — 29
• Grafton — 18
• Green Bay — 170
• Greenfield — 41
• Hartford — 13
• Hartland — 13
• Hayward — 26
• Hudson — 31
• Janesville — 54
• Jefferson — 12
• Kaukauna — 15
• Kenosha — 104
• La Crosse — 47
• Ladysmith — 14
• Lake Geneva — 13
• Lancaster — 12
• Madison — 219
• Manitowoc — 50
• Marinette — 30
• Marshfield — 29
• Mayville — 10
• Medford — 14
• Menasha — 19
• Menomonee Falls — 46
• Menomonie — 28
• Mequon — 48
• Merrill — 15
• Middleton — 30
• Milwaukee — 386
• Monroe — 23
• Mount Pleasant — 20
• Mukwonago — 22
• Muskego — 14
• Neenah — 61
• New Berlin — 40
• New Richmond — 21
• Oak Creek — 46
• Oconomowoc — 40
• Oconto — 12
• Oconto Falls — 11
• Onalaska — 20
• Oshkosh — 72
• Pewaukee — 20
• Platteville — 14
• Pleasant Prairie — 17
• Plover — 15
• Plymouth — 16
• Port Washington — 12
• Portage — 21
• Prairie Du Chien — 13
• Racine — 56
• Reedsburg — 17
• Rhinelander — 29
• Rice Lake — 29
• Richland Center — 19
• Ripon — 14
• River Falls — 15
• Saint Francis — 10
• Schofield — 12
• Shawano — 21
• Sheboygan — 72
• Slinger — 11
• South Milwaukee — 12
• Sparta — 12
• Stevens Point — 44
• Stoughton — 20
• Sturgeon Bay — 19
• Sun Prairie — 20
• Superior — 25
• Sussex — 10
• Tomah — 13
• Tomahawk — 11
• Two Rivers — 14
• Verona — 12
• Viroqua — 14
• Waterford — 16
• Watertown — 22
• Waukesha — 109
• Waupaca — 27
• Waupun — 11
• Wausau — 86
• Wautoma — 11
• Wauwatosa — 81
• West Allis — 59
• West Bend — 42
• Weston — 15
• Whitewater — 13
• Wisconsin Dells — 11
• Wisconsin Rapids — 34

Smaller places of Wisconsin — 1,057 laboratories.

City counts are the laboratories listed on this site; 34 more in Wisconsin carry only a person's name and are found by search.