Quest Diagnostics is an American clinical laboratory, operating in the United States, Puerto Rico, Mexico, and Brazil. The main operational activities of the company are concerned with diagnostic testing services for cancer, cardiovascular disease, infectious disease, neurological disorders, COVID-19 and employment and court ordered drug testing. The speciality of Quest Diagnostics span across Allergists, Cardiologists, Dermatologists, Endocrinologists, Gastroenterology, Infectious Disease Specialists, Maternal Fetal, Neurologists, Oncologists, and more. In order to get in touch with Quest Diagnostics Customer Service team with regards to relevant concerns and queries, customers may refer to given customer service contact information.
- Quest Diagnostics Customer Service Number: 866-697-8378
- Quest Diagnostics Employer Solutions: 1(800) 877-7484
- Quest Diagnostics Nichols Institute - Nichols Institute, San Juan Capistrano: 1(800) 553-5445 | Nichols Institute, Chantilly: 1(800) 336-3718 | Nichols Institute, Valencia: 1(800) 421-4449
- Quest Diagnostics Genomic Services: 1 (866) 4363 4636
- Quest Diagnostics Customer Service Email: myquestsupport@questdiagnostics.com
- Quest Diagnostics Careers: qdjobs@questdiagnostics.com
- Privacy Inquiries: privacy@questdiagnostics.com
- Click here to Make an Appointment
- Click here to Cancel / Change / Confirm Appointment
- Click here to Find a Nearest Location
- Click here to Check Bill Status
Careers at Quest Diagnostics
In order to explore career opportunities at Quest Diagnostics, interested candidates are advised to refer to visit: Quest Diagnostics Careers
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