CLIA laboratories in Illinois

10,453 laboratories hold an active CLIA certificate in Illinois 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

• Addison — 33
• Aledo — 10
• Algonquin — 31
• Alsip — 11
• Alton — 33
• Anna — 14
• Arlington Heights — 88
• Aurora — 121
• Barrington — 44
• Bartlett — 18
• Batavia — 21
• Belleville — 52
• Belvidere — 20
• Benton — 20
• Berwyn — 33
• Bloomingdale — 56
• Bloomington — 89
• Blue Island — 10
• Bolingbrook — 75
• Bourbonnais — 45
• Breese — 12
• Bridgeview — 11
• Buffalo Grove — 39
• Burbank — 14
• Burr Ridge — 28
• Calumet City — 20
• Canton — 19
• Carbondale — 52
• Carlinville — 14
• Carmi — 13
• Carol Stream — 15
• Centralia — 28
• Champaign — 70
• Channahon — 13
• Charleston — 16
• Chicago — 1,548
• Chicago Heights — 19
• Chicago Ridge — 15
• Cicero — 27
• Clinton — 10
• Collinsville — 20
• Columbia — 14
• Crestwood — 14
• Crystal Lake — 64
• Danville — 43
• Darien — 14
• Decatur — 75
• Deerfield — 27
• Dekalb — 27
• Des Plaines — 103
• Dixon — 23
• Downers Grove — 86
• Du Quoin — 11
• East Moline — 13
• East Peoria — 18
• Edwardsville — 24
• Effingham — 37
• Eldorado — 10
• Elgin — 99
• Elk Grove Village — 40
• Elmhurst — 68
• Elmwood Park — 12
• Evanston — 65
• Evergreen Park — 35
• Fairfield — 15
• Fairview Heights — 23
• Flora — 12
• Flossmoor — 20
• Forsyth — 10
• Frankfort — 23
• Freeport — 32
• Galesburg — 44
• Geneseo — 12
• Geneva — 35
• Gibson City — 12
• Glen Carbon — 19
• Glen Ellyn — 32
• Glenview — 70
• Godfrey — 14
• Granite City — 25
• Grayslake — 22
• Greenville — 17
• Gurnee — 55
• Hanover Park — 11
• Harrisburg — 21
• Harvey — 12
• Hazel Crest — 21
• Herrin — 18
• Highland — 17
• Highland Park — 39
• Hillsboro — 11
• Hinsdale — 60
• Hoffman Estates — 74
• Homer Glen — 15
• Homewood — 27
• Huntley — 29
• Itasca — 10
• Jacksonville — 32
• Jerseyville — 13
• Joliet — 113
• Kankakee — 48
• Kewanee — 20
• La Grange — 21
• Lake Bluff — 19
• Lake Forest — 33
• Lake In The Hills — 10
• Lake Zurich — 18
• Lansing — 14
• Lemont — 25
• Libertyville — 68
• Lincoln — 17
• Lincolnshire — 16
• Lincolnwood — 29
• Lindenhurst — 10
• Lisle — 32
• Litchfield — 16
• Lockport — 19
• Lombard — 63
• Loves Park — 17
• Macomb — 31
• Marion — 53
• Maryville — 36
• Matteson — 16
• Mattoon — 20
• Maywood — 19
• Mchenry — 38
• Melrose Park — 28
• Metropolis — 15
• Mokena — 29
• Moline — 71
• Monmouth — 15
• Monticello — 10
• Morris — 36
• Morrison — 10
• Morton — 24
• Morton Grove — 18
• Mount Carmel — 14
• Mount Prospect — 35
• Mount Vernon — 60
• Mundelein — 18
• Murphysboro — 11
• Naperville — 190
• Nashville — 13
• New Lenox — 53
• Niles — 54
• Normal — 49
• Norridge — 12
• North Aurora — 12
• Northbrook — 79
• Northfield — 13
• O Fallon — 37
• Oak Brook — 50
• Oak Forest — 11
• Oak Lawn — 86
• Oak Park — 80
• Oakbrook Terrace — 26
• Olney — 19
• Olympia Fields — 29
• Orland Park — 111
• Oswego — 24
• Ottawa — 33
• Palatine — 28
• Palos Heights — 39
• Palos Hills — 21
• Paris — 15
• Park Ridge — 66
• Pekin — 28
• Peoria — 159
• Peru — 19
• Pittsfield — 10
• Plainfield — 52
• Pontiac — 19
• Princeton — 12
• Quincy — 62
• River Forest — 20
• Robinson — 13
• Rochelle — 15
• Rock Island — 20
• Rockford — 145
• Rolling Meadows — 27
• Romeoville — 14
• Rosemont — 10
• Round Lake Beach — 14
• Saint Charles — 32
• Salem — 21
• Sandwich — 11
• Savoy — 12
• Schaumburg — 98
• Shelbyville — 10
• Shiloh — 20
• Shorewood — 11
• Silvis — 15
• Skokie — 114
• South Elgin — 23
• South Holland — 22
• Sparta — 13
• Springfield — 154
• St Charles — 22
• Sterling — 20
• Streamwood — 16
• Streator — 15
• Swansea — 24
• Sycamore — 32
• Taylorville — 13
• Tinley Park — 68
• Urbana — 34
• Vandalia — 14
• Vernon Hills — 33
• Villa Park — 16
• Warrenville — 17
• Washington — 14
• Waterloo — 14
• Watseka — 11
• Waukegan — 37
• West Chicago — 13
• West Frankfort — 13
• Westchester — 19
• Westmont — 34
• Wheaton — 48
• Wheeling — 22
• Willowbrook — 19
• Wilmette — 17
• Winfield — 13
• Winnetka — 11
• Wood River — 10
• Woodridge — 25
• Woodstock — 21
• Yorkville — 24
• Zion — 14

Smaller places of Illinois — 1,231 laboratories.

City counts are the laboratories listed on this site; 308 more in Illinois carry only a person's name and are found by search.