Clinical & Reference Laboratories in Franklin County, MA

The top-ranked clinical laboratories serving Franklin County, MA are Ials Clinical Testing Center, Valley Medical Group and Quest Diagnostics Massachusetts LLC. We list 12 clinical laboratories serving Franklin County, MA. 12 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 Franklin County, MA. 12 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 Franklin County

Ranked by our published methodology. Sponsored providers are shown separately.
#ProviderVerified recordsBased inPhone
1Ials Clinical Testing CenterCLIA-certified laboratory (certificate of compliance or accreditation, CMS)#22D2191348
Amherst Town, MA (14 mi)(413) 577-5196
2Valley Medical GroupCLIA-certified laboratory (certificate of compliance or accreditation, CMS)#22D0703873
Easthampton, MA (21 mi)(413) 772-3392
3Quest Diagnostics Massachusetts LLCCLIA-certified laboratory (certificate of compliance or accreditation, CMS)#22D2059744
Worcester, MA (45 mi)(508) 425-5998
4Ethos LaboratoriesCLIA-certified laboratory (certificate of compliance or accreditation, CMS)#22D2216336
Worcester, MA (46 mi)(513) 889-4423
5Labcorp At St Vincent Cancer & WellnessCLIA-certified laboratory (certificate of compliance or accreditation, CMS)#22D2061396
Worcester, MA (46 mi)(508) 363-6184
6Laboratory Corporation Of America HoldingsCLIA-certified laboratory (certificate of compliance or accreditation, CMS)#22D0966206
Worcester, MA (46 mi)(508) 363-6194
7Quest Diagnostics Massachusetts LLCCLIA-certified laboratory (certificate of compliance or accreditation, CMS)#22D1034604
Worcester, MA (47 mi)(508) 755-1233
8Applied Pathology Systems, LLCCLIA-certified laboratory (certificate of compliance or accreditation, CMS)#22D2202867
Shrewsbury, MA (49 mi)(508) 796-3875
9Gba Central Lab Services US, LLCCLIA-certified laboratory (certificate of compliance or accreditation, CMS)#22D2290524
Westborough, MA (55 mi)(508) 329-1292
10Esoterix Genetic Laboratories LLCCLIA-certified laboratory (certificate of compliance or accreditation, CMS)#22D0650245
Westborough, MA (56 mi)(508) 898-9001
2 more providers serving this area

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Frequently asked questions

How many clinical laboratories serve Franklin County?

We list 12 clinical laboratories serving Franklin County, MA: 0 based there and 12 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 Franklin County?

The top-ranked clinical laboratories serving Franklin County, MA are Ials Clinical Testing Center, Valley Medical Group, Quest Diagnostics Massachusetts LLC, Ethos Laboratories and Labcorp At St Vincent Cancer & Wellness. The full ranked list, with the official records each provider matched, is on this page.

Which clinical laboratories serving Franklin County are verified against official records?

10 of the top 10 match an active official record: Ials Clinical Testing Center (Centers for Medicare & Medicaid Services), Valley Medical Group (Centers for Medicare & Medicaid Services), Quest Diagnostics Massachusetts LLC (Centers for Medicare & Medicaid Services), Ethos Laboratories (Centers for Medicare & Medicaid Services) and Labcorp At St Vincent Cancer & Wellness (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 .

Communities served

Greenfield, Montague, Orange, Deerfield, Turners Falls, Sunderland, Northfield, Bernardston, South Deerfield, Shelburne, Leverett, Buckland, Conway, Shelburne Falls, Shutesbury, Ashfield, Erving, Colrain, Whately, Gill, Charlemont, New Salem, Millers Falls, Wendell, Warwick, Leyden, Heath, Rowe, Hawley, Monroe

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