#1Applied Pathology Systems, LLC
Based in Shrewsbury, MA
Clinical & Reference Laboratories in Worcester County, MA
The top-ranked clinical laboratories serving Worcester County, MA are Applied Pathology Systems, LLC, Esoterix Genetic Laboratories LLC and Ethos Laboratories. We list 71 clinical laboratories serving Worcester County, 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 Worcester County, MA. 71 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 Worcester County
#2Esoterix Genetic Laboratories LLC
Based in Westborough, MA#3Ethos Laboratories
Based in Worcester, MA#4Gba Central Lab Services US, LLC
Based in Westborough, MA#5Kbmo Diagnostics
Based in Hopedale, MA#6Kuchnir Dermatology And Dermatologic Surgery
Based in Milford, MA#7Labcorp At St Vincent Cancer & Wellness
Based in Worcester, MA#8Laboratory Corporation Of America Holdings
Based in Worcester, MA#9Quest Diagnostics Massachusetts LLC
Based in Worcester, MA#10Quest Diagnostics Massachusetts LLC
Based in Worcester, MA
20 more providers serving this area
- Quest Diagnostics Esoteric Massachusetts, Inc DBA, Marlborough, MA (19 mi)
- Quest Diagnostics, LLC, Marlborough, MA (19 mi)
- Quest Diagnostics Ma LLC, Marlborough, MA (19 mi)
- Reprosource Fertility Diagnostics, Inc, Marlborough, MA (19 mi)
- Kuchnir Dermatology & Dermatologic Surgery, Marlborough, MA (20 mi)
- Epigendx Inc, Hopkinton, MA (22 mi)
- Variantyx, Inc, Framingham, MA (24 mi)
- Charles River Medical Associates Laboratory, Framingham, MA (27 mi)
- Kephera Diagnostics, Framingham, MA (27 mi)
- Quest Diagnostics Massachusetts LLC, Natick, MA (28 mi)
- Sbh Diagnostics Inc, Natick, MA (28 mi)
- Pillar Biosciences, Inc, Clinical Lab, Natick, MA (28 mi)
- Eco Laboratory, LLC, Acton, MA (29 mi)
- Ials Clinical Testing Center, Amherst Town, MA (30 mi)
- Novovita Histopath Laboratory LLC, Natick, MA (30 mi)
- Adult & Pediatric Dermatology PC, Concord, MA (32 mi)
- Adult & Pediatric Dermatology, PC, Westford, MA (32 mi)
- Cls Diagnostics, Franklin Town, MA (33 mi)
- Cohen Dermatopathology, PC DBA Inform Diagnostics, Dover, MA (34 mi)
- Mersi Immunopathology Laboratory, Waltham, MA (35 mi)
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Frequently asked questions
How many clinical laboratories serve Worcester County?
We list 71 clinical laboratories serving Worcester County, MA: 10 based there and 61 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 Worcester County?
The top-ranked clinical laboratories serving Worcester County, MA are Applied Pathology Systems, LLC, Esoterix Genetic Laboratories LLC, Ethos Laboratories, Gba Central Lab Services US, LLC and Kbmo Diagnostics. The full ranked list, with the official records each provider matched, is on this page.
Which clinical laboratories serving Worcester County are verified against official records?
10 of the top 10 match an active official record: Applied Pathology Systems, LLC (Centers for Medicare & Medicaid Services), Esoterix Genetic Laboratories LLC (Centers for Medicare & Medicaid Services), Ethos Laboratories (Centers for Medicare & Medicaid Services), Gba Central Lab Services US, LLC (Centers for Medicare & Medicaid Services) and Kbmo Diagnostics (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 .
Cities in Worcester County
Communities served
Westborough, Gardner, Grafton, Holden, Southbridge Town, Webster, Auburn, Northbridge, Northborough, Clinton, Uxbridge, Millbury, Charlton, Oxford, Athol, Spencer, Lunenburg, Dudley, Leicester, Winchendon, Southborough, Sturbridge, Rutland, Sutton, Douglas, Blackstone, Lancaster, Westminster, Upton, Templeton, Sterling, West Boylston, Harvard, Whitinsville, Ashburnham, Mendon, Hopedale, Bolton, Barre, Warren, Boylston, Paxton, North Brookfield, Hubbardston, West Brookfield, Princeton, Brookfield, Berlin, Millville, Fiskdale, Hardwick, Cordaville, East Douglas, East Brookfield, Baldwinville, Oakham, South Lancaster, Phillipston, Devens, Royalston