Quest Diagnostics

Lab Testing at Fastest Labs Willoughby

Quest partner location in Willoughby, OH 44094.

Partner Location

This location is part of Quest's partner network. Services and availability may differ from a standard Quest Patient Service Center. Please call 440-431-4133 before visiting to confirm they accept your lab order.

Order Lab Tests Online

Browse All Tests

Note: tests available at this location depend on its services. Confirm by calling before visiting.

Address

34920 Ridge Rd Ste 100a
Willoughby, OH 44094
Lake County

440-431-4133

Hours

Monday	9:00 AM – 5:00 PM
Tuesday	9:00 AM – 5:00 PM
Wednesday	9:00 AM – 5:00 PM
Thursday	9:00 AM – 5:00 PM
Friday	9:00 AM – 5:00 PM
Saturday	Closed
Sunday	Closed

Nearby alternatives

LabCorp Willoughby
5881 Som Center Rd, Willoughby, OH 44094
0 mi
Exodus Clinical Counseling Services
30841 Euclid Ave, Willoughby, OH 44094
1.3 mi
Quest Diagnostics - Lake West
36000 Euclid Ave Suite 100, Willoughby, OH 44094
1.3 mi
Quest Diagnostics - Perrico
4176 State Route 306 Suite 500, Willoughby, OH 44094
4 mi
Quest Diagnostics - Euclid
18599 Lake Shore Blvd Ste 700, Euclid, OH 44119
5.8 mi

About this location

Quest partner location. Quest Diagnostics operates one of the largest networks of clinical laboratories in the United States, offering a wide range of diagnostic tests for patients, physicians, and employers.

Listing last updated 2026-04-25.