#1Mcclain Laboratories LLC
Serves this area from Smithtown, NY (6 mi)
Clinical & Reference Laboratories in Brentwood, NY
The top-ranked clinical laboratories serving Brentwood, NY are Mcclain Laboratories LLC, Stoneview Pathology Medical Service PLLC and Quest Diagnostics. We list 79 clinical laboratories serving Brentwood, 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 Brentwood, NY (Suffolk County). 79 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 Brentwood
#2Stoneview Pathology Medical Service PLLC
Serves this area from St. James, NY (9 mi)#3Quest Diagnostics
Serves this area from Melville, NY (9 mi)#4Stony Brook Pathologists 1320 Laboratory
Serves this area from Stony Brook, NY (10 mi)#5Cytogenx Corp
Serves this area from Stony Brook, NY (11 mi)#6Laboratory Corporation Of America Holdings
Serves this area from Plainview, NY (11 mi)#7Fast Lab Corp
Serves this area from Holtsville, NY (11 mi)#8Acupath Laboratories Inc
Serves this area from Plainview, NY (11 mi)#9Applied Dna Clinical Labs, LLC
Serves this area from Stony Brook University, NY (11 mi)#10Schwarz And Ammirati Medical Associates
Serves this area from North Patchogue, NY (11 mi)
20 more providers serving this area
- Stony Brook Pathologists Ufpc Laboratory, Stony Brook University, NY (12 mi)
- Long Island Pathology Laboratory, Inc, East Setauket, NY (12 mi)
- Cshl Clinical Laboratory, Woodbury, NY (12 mi)
- Laboratory Of Dermatopathology Adx LLC, Woodbury, NY (12 mi)
- Medpath Diagnostics, Inc, Holtsville, NY (12 mi)
- Sinapath, Holtsville, NY (12 mi)
- Acutis Diagnostics, Inc, Hicksville, NY (13 mi)
- Sunrise Medical Laboratories, Hicksville, NY (14 mi)
- North Shore Hematology-oncology Associates, PC, Terryville, NY (14 mi)
- Cross Island Diagnostic And Research Laboratory, Levittown, NY (14 mi)
- Dntp Laboratory, Levittown, NY (15 mi)
- Precise Diagnostics Inc, East Norwich, NY (15 mi)
- Jordan Steinberg, Salisbury, NY (16 mi)
- New Island Medical Practice PC, Upper Brookville, NY (17 mi)
- Long Island Medical Laboratory, Carle Place, NY (19 mi)
- Bayside Laboratories Inc, Uniondale, NY (19 mi)
- North Shore Medical Labs, Williston Park, NY (21 mi)
- Guardian Clinical Laboratories LLC, Oceanside, NY (23 mi)
- Sunstone Pathology Services PC, Franklin Square, NY (23 mi)
- Northwell Health Laboratories-10 Nevada Drive, Lake Success, NY (23 mi)
Request quotes
Frequently asked questions
How many clinical laboratories serve Brentwood?
We list 79 clinical laboratories serving Brentwood, NY: 0 based there and 79 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 Brentwood?
The top-ranked clinical laboratories serving Brentwood, NY are Mcclain Laboratories LLC, Stoneview Pathology Medical Service PLLC, Quest Diagnostics, Stony Brook Pathologists 1320 Laboratory and Cytogenx Corp. The full ranked list, with the official records each provider matched, is on this page.
Which clinical laboratories serving Brentwood are verified against official records?
10 of the top 10 match an active official record: Mcclain Laboratories LLC (Centers for Medicare & Medicaid Services), Stoneview Pathology Medical Service PLLC (Centers for Medicare & Medicaid Services), Quest Diagnostics (Centers for Medicare & Medicaid Services), Stony Brook Pathologists 1320 Laboratory (Centers for Medicare & Medicaid Services) and Cytogenx Corp (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 .