#1Quest Diagnostics Esoteric Massachusetts, Inc DBA
Based in Marlborough, MA
Clinical & Reference Laboratories in Marlborough, MA
The top-ranked clinical laboratories serving Marlborough, MA are Quest Diagnostics Esoteric Massachusetts, Inc DBA, Quest Diagnostics, LLC and Quest Diagnostics Ma LLC. We list 72 clinical laboratories serving Marlborough, MA. 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 Marlborough, MA (Middlesex County). 72 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 Marlborough
#2Quest Diagnostics, LLC
Based in Marlborough, MA#3Quest Diagnostics Ma LLC
Based in Marlborough, MA#4Reprosource Fertility Diagnostics, Inc
Based in Marlborough, MA#5Kuchnir Dermatology & Dermatologic Surgery
Serves this area from Marlborough, MA (0 mi)#6Esoterix Genetic Laboratories LLC
Serves this area from Westborough, MA (4 mi)#7Variantyx, Inc
Serves this area from Framingham, MA (5 mi)#8Gba Central Lab Services US, LLC
Serves this area from Westborough, MA (7 mi)#9Charles River Medical Associates Laboratory
Serves this area from Framingham, MA (9 mi)#10Kephera Diagnostics
Serves this area from Framingham, MA (9 mi)
20 more providers serving this area
- Quest Diagnostics Massachusetts LLC, Natick, MA (9 mi)
- Sbh Diagnostics Inc, Natick, MA (9 mi)
- Pillar Biosciences, Inc, Clinical Lab, Natick, MA (9 mi)
- Epigendx Inc, Hopkinton, MA (10 mi)
- Applied Pathology Systems, LLC, Shrewsbury, MA (10 mi)
- Novovita Histopath Laboratory LLC, Natick, MA (11 mi)
- Eco Laboratory, LLC, Acton, MA (11 mi)
- Adult & Pediatric Dermatology PC, Concord, MA (12 mi)
- Quest Diagnostics Massachusetts LLC, Worcester, MA (13 mi)
- Quest Diagnostics Massachusetts LLC, Worcester, MA (14 mi)
- Ethos Laboratories, Worcester, MA (14 mi)
- Laboratory Corporation Of America Holdings, Worcester, MA (14 mi)
- Mersi Immunopathology Laboratory, Waltham, MA (14 mi)
- Labcorp At St Vincent Cancer & Wellness, Worcester, MA (14 mi)
- Exosome Diagnostics, Inc, Waltham, MA (15 mi)
- Kuchnir Dermatology And Dermatologic Surgery, Milford, MA (15 mi)
- Naveris, Inc, Waltham, MA (15 mi)
- Quantum Pathology, LLC, Waltham, MA (15 mi)
- Dermpath New England, LLC, Wellesley, MA (15 mi)
- Mercy Bioanalytics, Inc, Waltham, MA (16 mi)
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Frequently asked questions
How many clinical laboratories serve Marlborough?
We list 72 clinical laboratories serving Marlborough, MA: 4 based there and 68 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 Marlborough?
The top-ranked clinical laboratories serving Marlborough, MA are Quest Diagnostics Esoteric Massachusetts, Inc DBA, Quest Diagnostics, LLC, Quest Diagnostics Ma LLC, Reprosource Fertility Diagnostics, Inc and Kuchnir Dermatology & Dermatologic Surgery. The full ranked list, with the official records each provider matched, is on this page.
Which clinical laboratories serving Marlborough are verified against official records?
10 of the top 10 match an active official record: Quest Diagnostics Esoteric Massachusetts, Inc DBA (Centers for Medicare & Medicaid Services), Quest Diagnostics, LLC (Centers for Medicare & Medicaid Services), Quest Diagnostics Ma LLC (Centers for Medicare & Medicaid Services), Reprosource Fertility Diagnostics, Inc (Centers for Medicare & Medicaid Services) and Kuchnir Dermatology & Dermatologic Surgery (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 .