#1East Side Clinical Laboratory, Inc
Based in Norwich, CT
Clinical & Reference Laboratories in Norwich, CT
The top-ranked clinical laboratories serving Norwich, CT are East Side Clinical Laboratory, Inc, Quest Diagnostics and Quest Diagnostics LLC. We list 54 clinical laboratories serving Norwich, 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 Norwich, CT (Southeastern Connecticut Planning Region). 54 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 Norwich
#2Quest Diagnostics
Based in Norwich, CT#3Quest Diagnostics LLC
Based in Norwich, CT#4Quest Diagnostics LLC
Serves this area from New London, CT (14 mi)#5Quest Diagnostics LLC
Serves this area from Windham, CT (14 mi)#6Health Outlook Corporation
Serves this area from Groton, CT (15 mi)#7Pfizer Pharmacogenomics Lab
Serves this area from Groton, CT (15 mi)#8Quest Diagnostics
Serves this area from Old Saybrook, CT (23 mi)#9Quest Diagnostics LLC
Serves this area from Manchester, CT (28 mi)#10Quest Diagnostics, LLC
Serves this area from Glastonbury, CT (29 mi)
20 more providers serving this area
- Obgyn Group Of Eastern Ct PC, South Windsor, CT (31 mi)
- Ct Gi Laboratory Powered By, Wethersfield, CT (31 mi)
- Accu Reference Medical Lab, LLC, East Hartford, CT (31 mi)
- Quest Diagnostics LLC, Wethersfield, CT (31 mi)
- Laboratory Corporation Of America Holdings, Rocky Hill, CT (32 mi)
- US Labs Connecticut, Middletown, CT (33 mi)
- Center For Advanced Reproductive Services, Hartford, CT (34 mi)
- Laboratory For Dna-guided Medicine, Hartford, CT (34 mi)
- Quest Diagnostics LLC, Hartford, CT (34 mi)
- Dominion Diagnostics, LLC, North Kingstown, RI (34 mi)
- Hartford Hospital Ancillary Laboratory, Newington, CT (34 mi)
- Quest Diagnostics LLC, Newington, CT (35 mi)
- Quest Diagnostics, Hartford, CT (35 mi)
- Quest Diagnostics LLC, Windsor, CT (36 mi)
- Precision Toxicology, LLC, West Hartford, CT (36 mi)
- Quest Diagnostics LLC, West Hartford, CT (37 mi)
- Quest Diagnostics, New Britain, CT (37 mi)
- Starling Physicians PLLC, New Britain, CT (37 mi)
- Quest Diagnostics, New Britain, CT (38 mi)
- Quest Diagnostics, Bloomfield, CT (38 mi)
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Frequently asked questions
How many clinical laboratories serve Norwich?
We list 54 clinical laboratories serving Norwich, CT: 3 based there and 51 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 Norwich?
The top-ranked clinical laboratories serving Norwich, CT are East Side Clinical Laboratory, Inc, Quest Diagnostics, Quest Diagnostics LLC, Quest Diagnostics LLC and Quest Diagnostics LLC. The full ranked list, with the official records each provider matched, is on this page.
Which clinical laboratories serving Norwich are verified against official records?
10 of the top 10 match an active official record: East Side Clinical Laboratory, Inc (Centers for Medicare & Medicaid Services), Quest Diagnostics (Centers for Medicare & Medicaid Services), Quest Diagnostics LLC (Centers for Medicare & Medicaid Services), Quest Diagnostics LLC (Centers for Medicare & Medicaid Services) and Quest Diagnostics 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 .