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Customer Service

Contact Customer Service

Email or call us with questions or comments based on your area of interest below.

Call us:

866-MYQUEST (866-697-8378)

Email us:

Billing

Locations/Appointments

Patient Service Centers

 

Call us:

1 (800) 877-7484

Nichols Institute, San Juan Capistrano:

1 (800) 553-5445

Nichols Institute, Chantilly:

1 (800) 336-3718

Nichols Institute, Valencia:

1 (800) 421-4449

Call us:

1 (866) GENE-INFO

Call us:

1 (800) 890-6220

Call us:

1 (800) 890-6220

Call us:

1 (866) 358-9828, option 1

Call us:

1 (800) 891-2917

Call us:

1 (877) 933-9261