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Quest Diagnostics
One of 95 b2b service listings in Philadelphia.
About Quest Diagnostics
Quest Diagnostics is a b2b service in the business to business sector, based in Philadelphia, PA. Its recorded address is 4501 Castor Ave, 19124. The listing includes a telephone number, an official website. It is one of 95 b2b service listings tracked in Philadelphia; the nearest comparable listing is Shipmate Fulfillment, about 0.8 km away. Quest Diagnostics has 2,797 listed locations in total; this page covers the Philadelphia branch.
- Address
- 4501 Castor Ave, Philadelphia, PA, 19124
- Phone
- (215) 533-5637
- Website
- questdiagnostics.com
Questions
Where is Quest Diagnostics located?
4501 Castor Ave, Philadelphia, PA, 19124
How do I contact Quest Diagnostics?
(215) 533-5637 · http://www.questdiagnostics.com/home.html
What type of business is Quest Diagnostics?
Quest Diagnostics is a b2b service (business to business) in Philadelphia.
Quest Diagnostics branches
Quest Diagnostics has 2,797 listed locations. This branch is in Philadelphia.
- Weslaco78596-4281
- Laredo78041-3988
- McAllen78503-1531
- Alice78332-4197
- Kingsville78363-6371
- Bradenton34210-2819
- Corpus Christi78404-2500
- St Petersburg33713-5438
- St Petersburg33713-7146
- South Pasadena33707-2118
Nearby b2b service
- Shipmate FulfillmentPhiladelphia0.8 km
- Hobby Manufacturers AssociationPhiladelphia1.3 km
- Advanced Disposal Solutions Inc.Philadelphia1.5 km
- Long Life Wellness Collagen TeaPhiladelphia1.8 km
- LabcorpPhiladelphia1.4 km
- Plastic Manufacturers IncPhiladelphia1.7 km
- ABF FreightPhiladelphia2.9 km
- Kindred Hospital PhiladelphiaPhiladelphia3.2 km
- Hall-Woolford Wood Tank Co.Philadelphia2.7 km
- Abbey Color IncPhiladelphia2.7 km
- Service Die Cutting & Packaging Corp.Philadelphia3.0 km
- Quest DiagnosticPhiladelphia3.1 km
- Quest DiagnosticsPhiladelphia3.4 km
- IMCPhiladelphia3.7 km
- Gibbs Garage Doors & RepairPHILADELPHIA4.1 km
Cite this page
“Quest Diagnostics, Philadelphia — business.wiki, retrieved August 2026.” Facts on this page come from openly licensed data (Overture Maps Foundation) and are refreshed with each monthly release; sourcing is documented on the methodology page.