Clinical & Reference Laboratories in Suffolk County, NY
The top-ranked clinical laboratories serving Suffolk County, NY are Applied Dna Clinical Labs, LLC, Cytogenx Corp and Fast Lab Corp. We list 80 clinical laboratories serving Suffolk County, NY. 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 Suffolk County, NY. 80 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 Suffolk County
- Based in Stony Brook University, NY
#2Cytogenx Corp
Based in Stony Brook, NY#3Fast Lab Corp
Based in Holtsville, NY#4Hampton Pathology, PC
Based in Southampton, NY#5Long Island Pathology Laboratory, Inc
Based in East Setauket, NY#6Mcclain Laboratories LLC
Based in Smithtown, NY#7Medpath Diagnostics, Inc
Based in Holtsville, NY#8North Shore Hematology-oncology Associates, PC
Based in Terryville, NY#9Prime Pathology Laboratory
Based in Southampton, NY#10Quest Diagnostics
Based in Melville, NY
20 more providers serving this area
- Schwarz And Ammirati Medical Associates, North Patchogue, NY
- Sinapath, Holtsville, NY
- Stoneview Pathology Medical Service PLLC, St. James, NY
- Stony Brook Pathologists 1320 Laboratory, Stony Brook, NY
- Stony Brook Pathologists Ufpc Laboratory, Stony Brook University, NY
- Yale Dermatology-branford, Branford, CT (25 mi)
- Genco Labs LLC, Branford, CT (25 mi)
- Laboratory Corporation Of America Holdings, East Haven, CT (25 mi)
- Wren Laboratories, LLC, Branford, CT (25 mi)
- Quest Diagnostics LLC, West Haven, CT (27 mi)
- Milford Molecular Diagnostics, LLC, Milford city (balance), CT (27 mi)
- Quest Diagnostics LLC, Milford city (balance), CT (27 mi)
- Smilow - Orange, Orange, CT (27 mi)
- Diamir, New Haven, CT (27 mi)
- Vo Health, Inc, New Haven, CT (28 mi)
- Yale Dermatopathology Laboratory, New Haven, CT (28 mi)
- Pfizer New Haven Cru Safety Laboratory, New Haven, CT (28 mi)
- Precipio Inc, New Haven, CT (29 mi)
- Quest Diagnostics LLC, Stratford, CT (29 mi)
- Quest Diagnostics, Old Saybrook, CT (29 mi)
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Frequently asked questions
How many clinical laboratories serve Suffolk County?
We list 80 clinical laboratories serving Suffolk County, NY: 15 based there and 65 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 Suffolk County?
The top-ranked clinical laboratories serving Suffolk County, NY are Applied Dna Clinical Labs, LLC, Cytogenx Corp, Fast Lab Corp, Hampton Pathology, PC and Long Island Pathology Laboratory, Inc. The full ranked list, with the official records each provider matched, is on this page.
Which clinical laboratories serving Suffolk County are verified against official records?
10 of the top 10 match an active official record: Applied Dna Clinical Labs, LLC (Centers for Medicare & Medicaid Services), Cytogenx Corp (Centers for Medicare & Medicaid Services), Fast Lab Corp (Centers for Medicare & Medicaid Services), Hampton Pathology, PC (Centers for Medicare & Medicaid Services) and Long Island Pathology Laboratory, Inc (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 Suffolk County
Communities served
Medford, Copiague, East Patchogue, Selden, Hauppauge, East Northport, Huntington, North Bay Shore, Melville, Ronkonkoma, Holtsville, North Amityville, Lake Ronkonkoma, Islip, North Babylon, Kings Park, Sayville, Mastic, Hampton Bays, Riverhead, Farmingville, Manorville, Mastic Beach, East Islip, Greenlawn, Rocky Point, St. James, Stony Brook, Ridge, Nesconset, Wyandanch, Patchogue, Babylon, North Lindenhurst, North Bellport, Miller Place, Mount Sinai, Terryville, Elwood, Lake Grove, East Setauket, Middle Island, Stony Brook University, Bohemia, Amityville, Fort Salonga, South Huntington, Bayport, Port Jefferson, Springs, Center Moriches, Port Jefferson Station, Wading River, Baywood, Oakdale, Sound Beach, Northport, East Shoreham, North Patchogue, East Farmingdale