Clinical & Reference Laboratories in Norristown, PA
The top-ranked clinical laboratories serving Norristown, PA are Stemexpress DBA Cgt Global, Vanta Diagnostics and Quest Diagnostics Clinical Labs Inc. We list 41 clinical laboratories serving Norristown, PA. 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 Norristown, PA (Montgomery County). 41 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 Norristown
- Serves this area from PA
#2Vanta Diagnostics
Serves this area from Swedeland, PA (3 mi)#3Quest Diagnostics Clinical Labs Inc
Serves this area from PA#4Religen Inc
Serves this area from PA#5Vascular Strategies LLC
Serves this area from PA#6Rma Of Philadelphia
Serves this area from PA#7Penn Medicine At Radnor
Serves this area from PA#8Baldassano Dermatopathology PC
Serves this area from PA#9Institute For Dermatopathology Inc
Serves this area from PA#10Phoenixville Valley Forge Dermatology Assoc
Serves this area from PA
20 more providers serving this area
- Nestle Health Science Clin Lab, Spring House, PA (8 mi)
- Vinodh Pillai, PA
- Inst For Dermatopathology Inc, PA
- Biological Specialty Company, LLC, Montgomeryville, PA (11 mi)
- Drugscan Inc, Horsham, PA (11 mi)
- National Medical Services, Inc, Horsham, PA (11 mi)
- Icura Diagnostics, LLC, PA
- Alliance Pharma, Inc, PA
- Menarini Silicon Biosystems, Bryn Athyn, PA (14 mi)
- Menarini Silicon Biosystems, Philadelphia, PA (14 mi)
- Penn Clinical Cytogenomics Lab, Philadelphia, PA (14 mi)
- Penn Cutaneous Pathology Services, Philadelphia, PA (14 mi)
- Drexel Medicine Diagnostics, Philadelphia, PA (15 mi)
- Advanced Laboratory Services, Inc, Sharon Hill, PA (15 mi)
- Public Health Lab City Of Philadelphia, Philadelphia, PA (16 mi)
- Sma Medical Laboratories, PA
- Atlantic Dermatopathology LLC, PA
- Incite Health, Inc, PA
- Frontage Laboratories, Inc, PA
- Advanced Genomics, Trevose, PA (19 mi)
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Frequently asked questions
How many clinical laboratories serve Norristown?
We list 41 clinical laboratories serving Norristown, PA: 0 based there and 41 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 Norristown?
The top-ranked clinical laboratories serving Norristown, PA are Stemexpress DBA Cgt Global, Vanta Diagnostics, Quest Diagnostics Clinical Labs Inc, Religen Inc and Vascular Strategies LLC. The full ranked list, with the official records each provider matched, is on this page.
Which clinical laboratories serving Norristown are verified against official records?
10 of the top 10 match an active official record: Stemexpress DBA Cgt Global (Centers for Medicare & Medicaid Services), Vanta Diagnostics (Centers for Medicare & Medicaid Services), Quest Diagnostics Clinical Labs Inc (Centers for Medicare & Medicaid Services), Religen Inc (Centers for Medicare & Medicaid Services) and Vascular Strategies LLC (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 .