#1Advanced Genetics Lab
Serves this area from Monroe, CT (4 mi)
Clinical & Reference Laboratories in Newtown, CT
The top-ranked clinical laboratories serving Newtown, CT are Advanced Genetics Lab, Quest Diagnostics and Quest Diagnostics. We list 77 clinical laboratories serving Newtown, 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 Newtown, CT (Western Connecticut Planning Region). 77 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 Newtown
#2Quest Diagnostics
Serves this area from Southbury, CT (6 mi)#3Quest Diagnostics
Serves this area from Danbury, CT (7 mi)#4Advanced Dermcare PC
Serves this area from Danbury, CT (8 mi)#5Smilow - Derby
Serves this area from Derby, CT (11 mi)#6Quest Diagnostics LLC
Serves this area from Derby, CT (12 mi)#7Esoterix Genetic Laboratories, LLC
Serves this area from Shelton, CT (12 mi)#8Ameripath New York, LLC
Serves this area from Shelton, CT (13 mi)#9Dianon Systems Inc
Serves this area from Shelton, CT (13 mi)#10Progressive Diagnostics, LLC
Serves this area from Trumbull, CT (13 mi)
20 more providers serving this area
- Quest Diagnostics LLC, Bridgeport, CT (14 mi)
- Saint Mary's Hospital Oncology Center, Waterbury, CT (15 mi)
- Smilow - Waterbury, Waterbury, CT (15 mi)
- Quest Diagnostics LLC, Stratford, CT (18 mi)
- Quest Diagnostics LLC, Prospect, CT (18 mi)
- Rejuvenating Fertility Center, Westport, CT (18 mi)
- Sunrise Medical Laboratories, Waterbury, CT (18 mi)
- Cbl Path Putnam Facility, NY
- Quest Diagnostics LLC, Norwalk, CT (20 mi)
- Gary A Letts, Md, LLC, Norwalk, CT (21 mi)
- Quest Diagnostics LLC, Cheshire, CT (21 mi)
- Quest Diagnostics, Mount Kisco, NY (26 mi)
- Laboratory Corporation Of America Holdings, Stamford, CT (27 mi)
- Quest Diagnostics LLC, Stamford, CT (27 mi)
- Gh Bendheim Laboratory, Greenwich, CT (31 mi)
- Laboratory Corporation Of America Holdings, Greenwich, CT (31 mi)
- Quest Diagnostics LLC, Torrington, CT (31 mi)
- Poughkeepsie Skin Pathology, Fishkill, NY (32 mi)
- Inform Diagnostics, Inc, Ossining, NY (32 mi)
- Histogenetics, NY
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Frequently asked questions
How many clinical laboratories serve Newtown?
We list 77 clinical laboratories serving Newtown, CT: 0 based there and 77 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 Newtown?
The top-ranked clinical laboratories serving Newtown, CT are Advanced Genetics Lab, Quest Diagnostics, Quest Diagnostics, Advanced Dermcare PC and Smilow - Derby. The full ranked list, with the official records each provider matched, is on this page.
Which clinical laboratories serving Newtown are verified against official records?
10 of the top 10 match an active official record: Advanced Genetics Lab (Centers for Medicare & Medicaid Services), Quest Diagnostics (Centers for Medicare & Medicaid Services), Quest Diagnostics (Centers for Medicare & Medicaid Services), Advanced Dermcare PC (Centers for Medicare & Medicaid Services) and Smilow - Derby (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 .