#1Ascension St Francis Hospital
Based in Milwaukee, WI
Clinical & Reference Laboratories in Milwaukee, WI
The top-ranked clinical laboratories serving Milwaukee, WI are Ascension St Francis Hospital, Ascension Wisconsin Laboratory, Inc and Ascension Wisconsin Laboratory, Inc. We list 31 clinical laboratories serving Milwaukee, WI. 30 of the providers shown match an active record from Centers for Medicare & Medicaid Services, checked on the date shown. Rankings follow our published methodology; sponsored placements never change rank.
Clinical & Reference Laboratories serving Milwaukee, WI (Milwaukee County). 31 providers, 10 of the top 10 verified against federal or state records. Registry records checked on 2026-11-04.
Top 10 ranked clinical laboratories for Milwaukee
#2Ascension Wisconsin Laboratory, Inc
Based in Milwaukee, WI#3Ascension Wisconsin Laboratory, Inc
Based in Milwaukee, WI#4Horizon Healthcare, Inc
Based in Milwaukee, WI#5Quest Diagnostics - Milwaukee Rrl
Based in Milwaukee, WI#6Allergy Immunology Diagnostic Lab Center
Serves this area from Wauwatosa, WI (3 mi)#7Clinical Immunodiagnostic And Research Laboratory
Serves this area from Wauwatosa, WI (3 mi)#8Medical College Of Wisconsin
Serves this area from Wauwatosa, WI (3 mi)#9Medical College Of Wisconsin Pathology
Serves this area from Wauwatosa, WI (3 mi)#10Rprd Diagnostics, LLC
Serves this area from Wauwatosa, WI (4 mi)
20 more providers serving this area
- Wisconsin Diagnostic Laboratories, LLC, Wauwatosa, WI (4 mi)
- A2cl Aurora Health Center - Mayfair North, Wauwatosa, WI (4 mi)
- Fmccp Tosa Health Center, Wauwatosa, WI (4 mi)
- Dermatopathology Of Wisconsin Sc, Brookfield, WI (5 mi)
- A2cl Aurora Health Center - Good Hope Rd, Glendale, WI (6 mi)
- Fmccp North Hills Health Center, Menomonee Falls, WI (8 mi)
- A2cl Aurora Health Center - Edgerton, Greenfield, WI (8 mi)
- A2cl Aurora Health Center - New Berlin, New Berlin, WI (9 mi)
- Froedtert & Mcw Moorland Reserve Laboratory, New Berlin, WI (10 mi)
- Laboratory Corporation Of America, Oak Creek, WI (11 mi)
- A2cl Aurora Health Center - Menomonee Falls, Menomonee Falls, WI (11 mi)
- Summit Clinical Laboratories LLC, Brookfield, WI (11 mi)
- Fmccp- Town Hall Health Center, Menomonee Falls, WI (11 mi)
- Froedtert & Mcw Drexel Town Square Laboratory, Oak Creek, WI (11 mi)
- Froedtert & The Medical College Cp Mequon, Mequon, WI (11 mi)
- Coppe Laboratories, Pewaukee, WI (12 mi)
- Laboratory Corporation Of America, Waukesha, WI (14 mi)
- Froedtert & The Medical College Of Wisconsin, West Bend, WI (26 mi)
- Spaulding Clinical Laboratory, West Bend, WI (27 mi)
- Cancer And Hematology Centers, The, Norton Shores, MI (89 mi)
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Frequently asked questions
How many clinical laboratories serve Milwaukee?
We list 31 clinical laboratories serving Milwaukee, WI: 5 based there and 26 serving it from nearby. 10 of the top 10 match an active federal or state record, checked on 2026-11-04.
Which clinical laboratories serve Milwaukee?
The top-ranked clinical laboratories serving Milwaukee, WI are Ascension St Francis Hospital, Ascension Wisconsin Laboratory, Inc, Ascension Wisconsin Laboratory, Inc, Horizon Healthcare, Inc and Quest Diagnostics - Milwaukee Rrl. The full ranked list, with the official records each provider matched, is on this page.
Which clinical laboratories serving Milwaukee are verified against official records?
10 of the top 10 match an active official record: Ascension St Francis Hospital (Centers for Medicare & Medicaid Services), Ascension Wisconsin Laboratory, Inc (Centers for Medicare & Medicaid Services), Ascension Wisconsin Laboratory, Inc (Centers for Medicare & Medicaid Services), Horizon Healthcare, Inc (Centers for Medicare & Medicaid Services) and Quest Diagnostics - Milwaukee Rrl (Centers for Medicare & Medicaid Services), and 5 more on this page. Each badge links to the official record it matched.
How are these companies ranked?
By our published methodology: verified registrations, documented capabilities, years registered and responsiveness. Sponsored placements are shown separately and never affect rank.
What does "Verified" mean on this page?
"Verified" means we matched the provider to an active official record on the date shown; each badge links to that record. The absence of a badge only means we have not verified that item.
What does CLIA certification mean?
CLIA certificates are issued under federal law for laboratories testing human specimens. A certificate of compliance or accreditation covers moderate and high complexity testing; a certificate of waiver covers only simple waived tests.
"Verified" means we matched the provider to an active official record on the date shown. The absence of a badge only means we have not verified that item. How we rank and verify. Page updated .