Quest Diagnostics California Customer Service Numbers

  1. Inquires: (805) 967-6424

  2. Alternative: 866-YQUES (866-697-8378)

  3. Head Office Location: Quest Diagnostics Incorporated 5360 Hollister Avenue Santa Barbara, California 93111-2334 United States
  4. Driving Direction: Follow the directions to locate Quest Diagnostics California
  5. Locations Near You: Find nearby locations of Quest Diagnostics California

What is Quest Diagnostics California in the Process of?

Quest Diagnostics is a leading healthcare corporation in the United States of America. The company was established in 1967. Paul Brown founded the company in New York. Quest Diagnostics is headquartered in Madison, New Jersey. It has branches in Puerto Rico, India, United Kingdom, Brazil and Mexico.