Contact Customer Service
Call one of our Customer Service Centers based on your area of interest below:
Quest Diagnostics Regional Laboratories
Please call our Customer Service Center at the laboratory that provides service to you.
| STATE | LOCATION | TELEPHONE NUMBER |
|---|---|---|
| CA | Quest Diagnostics Nichols Institute, San Juan Capistrano | 800-553-5445 |
| CA | Sacramento | 866-MYQUEST (866-697-8378) |
| CA | San Jose | 866-MYQUEST (866-697-8378) |
| CA | Quest Diagnostics Nichols Institute, Valencia | 800-421-7110 |
| CA | West Hills | 866-MYQUEST (866-697-8378) |
| CO | Denver | 800-765-2655 |
| CT | Wallingford | 866-MYQUEST (866-697-8378) |
| FL | Miramar | 866-MYQUEST (866-697-8378) |
| FL | Tampa | 866-MYQUEST (866-697-8378) |
| GA | Atlanta | 866-MYQUEST (866-697-8378) |
| IL | Wood Dale | 866-MYQUEST (866-697-8378) |
| KS | Kansas City | 866-MYQUEST (866-697-8378) |
| KS | Lenexa | 866-MYQUEST (866-697-8378) |
| LA | New Orleans | 800-669-0920 |
| MA | Cambridge | 866-MYQUEST (866-697-8378) |
| MD | Baltimore | 866-MYQUEST (866-697-8378) |
| MI | Auburn Hills | 866-MYQUEST (866-697-8378) |
| MO | St. Louis | 866-MYQUEST (866-697-8378) |
| NJ | Teterboro | 800-631-1390, Clients: option 4; Patients: option 1 |
| NV | Las Vegas | 800-433-2750 |
| NY | Syosset | 800-877-7530, Clients: option 5; Patients: option 4 |
| OH | Cincinnati | 866-MYQUEST (866-697-8378) |
| OK | Oklahoma City | 800-891-2917, Clients & Patients: option 2 |
| OR | Portland | 866-MYQUEST (866-697-8378) |
| PA | Erie | 814-461-2420 |
| PA | Horsham | 866-MYQUEST (866-697-8378) |
| PA | Pittsburgh | 800-295-6598 |
| TN | Nashville | 866-MYQUEST (866-697-8378) |
| TX | Dallas | 866-MYQUEST (866-697-8378) |
| TX | Houston | 866-MYQUEST (866-697-8378) |
| VA | Quest Diagnostics Nichols Institute, Chantilly | 800-336-3718 |
| WA | Seattle | 866-MYQUEST (866-697-8378) |
Quest Diagnostics Employer Customer Service
Please call our Employer Customer Service number at 1(800) 877-7484.
Quest Diagnostics Nichols Institute
Please call our Nichols Institute, San Juan Capistrano at 1(800) 553-5445, or Nichols Institute, Chantilly at 1(800) 336-3718, ext. 3000, or Nichols Institute, Valencia at 1(800)-421-4449.
Quest Diagnostics Clinical Trials
Please call our Clinical Trials Customer Service number at 1(800) 877-7004.
AmeriPath
Please call AmeriPath at 1(561) 330-6565.
Dermpath Diagnostics
Please call Dermpath Diagnostics at 1(866) 467-7546.
ExamOne
Please call ExamOne at 1(913) 888-1770.
Focus Diagnostics
Please call Focus Diagnostics at 1(800) 445-4032.
HemoCue
Please call HemoCue at 1(800) 323-1674.
OralDNA Labs
Please call OralDNA Labs at 1(877) 577-9055.