CB Medical Services and Facilities Quest Diagnostics Complaints #2-21

Quest Diagnostics Reviews and Complaints

Quest Diagnostics review: Billing

Philip L Lamanac of US

Jul 21, 2026 4:21 pm UTC

Verified customer

Featured review

Quest on Davis highway needs to be shut down due to incompetent billing.
I can go to Baptist get the same test done insurance pays well.
I go to this quest they is always a problem with billing.
Are the people doing the bill incompetent
of there job?
I just stop going to this location, my Drs are here but Quest is so incompetent, I just drive across town, much cleaner n nicer folks.

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Quest Diagnostics Contacts

Quest Diagnostics phone numbers

+1 (866) 930-3718

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Canada

+1 (973) 520-2700

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Head Office

+1 (800) 877-7004

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Clinical Trials

+1 (800) 877-7484

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Employer Solutions

+1 (800) 426-4702

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Nichols Institute, San Juan Capistrano

+1 (800) 421-7110

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Nichols Institute, Valencia

+1 (800) 336-3718

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Nichols Institute, Chantilly

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Quest Diagnostics emails

myquestsupport@questdiagnostics.com

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Support

Quest Diagnostics address

500 Plaza Drive, Secaucus, California, 07094, United States

Quest Diagnostics social media
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Jul 22, 2026
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