#1Quest Diagnostics LLC
Serves this area from Avon, CT (5 mi)
Clinical & Reference Laboratories in Simsbury, CT
The top-ranked clinical laboratories serving Simsbury, CT are Quest Diagnostics LLC, Quest Diagnostics and Ecpc-c Wallace Home. We list 73 clinical laboratories serving Simsbury, CT. 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 Simsbury, CT (Capitol Planning Region). 73 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 Simsbury
#2Quest Diagnostics
Serves this area from Bloomfield, CT (6 mi)#3Ecpc-c Wallace Home
Serves this area from Avon, CT (8 mi)#4Quest Diagnostics LLC
Serves this area from West Hartford, CT (9 mi)#5Precision Toxicology, LLC
Serves this area from West Hartford, CT (9 mi)#6Quest Diagnostics LLC
Serves this area from Windsor, CT (9 mi)#7Quest Diagnostics
Serves this area from Hartford, CT (10 mi)#8Connecticut Imaging Partners
Serves this area from Farmington, CT (10 mi)#9Jackson Laboratory For Genomic Medicine, The
Serves this area from Farmington, CT (10 mi)#10Quest Diagnostics LLC
Serves this area from Farmington, CT (10 mi)
20 more providers serving this area
- Quest Diagnostics LLC, Hartford, CT (11 mi)
- Center For Advanced Reproductive Services, Hartford, CT (11 mi)
- Laboratory For Dna-guided Medicine, Hartford, CT (11 mi)
- Cars-farmington, Farmington, CT (12 mi)
- Quest Diagnostics, New Britain, CT (13 mi)
- Quest Diagnostics LLC, Newington, CT (13 mi)
- Quest Diagnostics LLC, Torrington, CT (13 mi)
- Accu Reference Medical Lab, LLC, East Hartford, CT (13 mi)
- Hartford Hospital Ancillary Laboratory, Newington, CT (13 mi)
- Quest Diagnostics, New Britain, CT (14 mi)
- Starling Physicians PLLC, New Britain, CT (14 mi)
- Obgyn Group Of Eastern Ct PC, South Windsor, CT (15 mi)
- Quest Diagnostics LLC, Enfield, CT (15 mi)
- Quest Diagnostics LLC, Wethersfield, CT (15 mi)
- Ct Gi Laboratory Powered By, Wethersfield, CT (16 mi)
- Quest Diagnostics, LLC, Glastonbury, CT (16 mi)
- Laboratory Corporation Of America Holdings, Rocky Hill, CT (17 mi)
- Quest Diagnostics LLC, Manchester, CT (17 mi)
- Laboratory Corporation Of America Holdings, Southington, CT (18 mi)
- Quest Diagnostics LLC, Southington, CT (18 mi)
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Frequently asked questions
How many clinical laboratories serve Simsbury?
We list 73 clinical laboratories serving Simsbury, CT: 0 based there and 73 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 Simsbury?
The top-ranked clinical laboratories serving Simsbury, CT are Quest Diagnostics LLC, Quest Diagnostics, Ecpc-c Wallace Home, Quest Diagnostics LLC and Precision Toxicology, LLC. The full ranked list, with the official records each provider matched, is on this page.
Which clinical laboratories serving Simsbury are verified against official records?
10 of the top 10 match an active official record: Quest Diagnostics LLC (Centers for Medicare & Medicaid Services), Quest Diagnostics (Centers for Medicare & Medicaid Services), Ecpc-c Wallace Home (Centers for Medicare & Medicaid Services), Quest Diagnostics LLC (Centers for Medicare & Medicaid Services) and Precision Toxicology, LLC (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 .