Clinical & Reference Laboratories in Oak Park, IL
The top-ranked clinical laboratories serving Oak Park, IL are Oak Park Laboratory, LLC, Unilab, Inc and Hope Diagnostic And Wellness Center LLC. We list 104 clinical laboratories serving Oak Park, IL. 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 Oak Park, IL (Cook County). 104 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 Oak Park
- Based in Oak Park, IL
#2Unilab, Inc
Based in Oak Park, IL#3Hope Diagnostic And Wellness Center LLC
Serves this area from Maywood, IL (3 mi)#4Cimpar Clinical Laboratories, LLC
Serves this area from Melrose Park, IL (3 mi)#5L Medicine Labs, L L C
Serves this area from Berwyn, IL (4 mi)#6Center For Molecular Cancer Diagnostics Inc.
Serves this area from Broadview, IL (4 mi)#7Star Lab Inc
Serves this area from Franklin Park, IL (5 mi)#8Il Urgent Care Professionals, PLLC
Serves this area from Harwood Heights, IL (5 mi)#9Simple Laboratories
Serves this area from Harwood Heights, IL (5 mi)#10Medstar Laboratory Inc
Serves this area from Hillside, IL (6 mi)
20 more providers serving this area
- Orthopedic Analysis LLC, Chicago, IL (6 mi)
- Vios Fertility Institute Chicago Wicker Park, Chicago, IL (6 mi)
- Belay Diagnostics LLC, Chicago, IL (7 mi)
- Central Clinical Labs Inc, Chicago, IL (7 mi)
- Oncooptima Inc, Chicago, IL (7 mi)
- Laboratory Corporation Of America, Chicago, IL (7 mi)
- Quality Lab One, Chicago, IL (7 mi)
- Tempus Ai, Inc, Chicago, IL (8 mi)
- Genomicmd, Inc, Chicago, IL (8 mi)
- Diagnostic Testing Solution, Chicago, IL (8 mi)
- Galilee Biomed Lab, Chicago, IL (8 mi)
- Onsite Diagnostic Labs Inc, Chicago, IL (8 mi)
- Dermatology Associates Of La Grange, IL
- Prism Health Lab USA Inc, Chicago, IL (8 mi)
- I V F - P G T Lab, LLC, Chicago, IL (9 mi)
- Serviam Diagnostics Lab LLC, Des Plaines, IL (9 mi)
- Axess Clinic & Diagnostic LLC, Chicago, IL (9 mi)
- Citilabs, Inc, Chicago, IL (9 mi)
- Transplant Immunology Lab NW Univ, Chicago, IL (9 mi)
- Trilab LLC, Elmhurst, IL (9 mi)
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Frequently asked questions
How many clinical laboratories serve Oak Park?
We list 104 clinical laboratories serving Oak Park, IL: 2 based there and 102 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 Oak Park?
The top-ranked clinical laboratories serving Oak Park, IL are Oak Park Laboratory, LLC, Unilab, Inc, Hope Diagnostic And Wellness Center LLC, Cimpar Clinical Laboratories, LLC and L Medicine Labs, L L C. The full ranked list, with the official records each provider matched, is on this page.
Which clinical laboratories serving Oak Park are verified against official records?
10 of the top 10 match an active official record: Oak Park Laboratory, LLC (Centers for Medicare & Medicaid Services), Unilab, Inc (Centers for Medicare & Medicaid Services), Hope Diagnostic And Wellness Center LLC (Centers for Medicare & Medicaid Services), Cimpar Clinical Laboratories, LLC (Centers for Medicare & Medicaid Services) and L Medicine Labs, L L C (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 .