Quest Diagnostics

Lab Testing at Quest Diagnostics - Wellness Ctr Lab - Ontario

Quest Diagnostics Patient Service Center in Ontario, OH 44906.

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Popular tests at this location:

TSH Lipid Panel CBC A1C Testosterone Vitamin D CMP

Address

1750 W 4th St
Ontario, OH 44906
Richland County

567-425-1555

Hours

Monday	7:30 AM – 12:00, 12:30
Tuesday	7:30 AM – 12:00, 12:30
Wednesday	7:30 AM – 12:00, 12:30
Thursday	7:30 AM – 12:00, 12:30
Friday	7:30 AM – 12:00, 12:30
Saturday	Closed
Sunday	Closed

Nearby alternatives

Avita Health System
715 Richland Mall Suite E, Mansfield, OH 44906
0.9 mi
LabCorp Mansfield
564 S Trimble Rd B, Mansfield, OH 44906
2.3 mi
Quest Diagnostics - Balgreen Dr
770 Balgreen Dr Ste 105, Mansfield, OH 44906
2.6 mi
Quest Diagnostics - Mansfield Hosp
335 Glessner Ave Ste 200, Mansfield, OH 44903
2.8 mi
Quest Diagnostics - Richland
1033 Ashland Rd Suite 135, Mansfield, OH 44905
5.2 mi

About this location

Quest Diagnostics Patient Service Center. 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.