Quest Diagnostics

Lab Testing at Mercy Health - Tiffin Occ Hlth

Quest partner location in Tiffin, OH 44883.

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 419-455-8160 before visiting to confirm they accept your lab order.

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

Address

439 W Market St
Tiffin, OH 44883
Seneca County

419-455-8160

Hours

Monday	8:00 AM – 4:30 PM
Tuesday	8:00 AM – 4:30 PM
Wednesday	8:00 AM – 4:30 PM
Thursday	8:00 AM – 4:30 PM
Friday	8:00 AM – 4:30 PM
Saturday	Closed
Sunday	Closed

Nearby alternatives

Quest Diagnostics - Bucyrus - N. Sandisky Ave
725 N Sandusky Ave Ste 2, Bucyrus, OH 44820
23.4 mi
Avita Workwell Bucyrus
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24.9 mi
Reliable Testing Clinic - 3rd Party Draw Site
546 Sand Ridge Rd, Bowling Green, OH 43402
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Quest Diagnostics - Shelby Outpatient Lab
199 W Main St, Shelby, OH 44875
31.5 mi
LabCorp Sandusky
2500 W Strub Rd Ste 200, Sandusky, OH 44870
31.7 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.