Quest Diagnostics
Lab Testing at Quest Diagnostics - Wellness Ctr Lab - Ontario
Quest Diagnostics Patient Service Center in Ontario, OH 44906.
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Address
1750 W 4th StOntario, OH 44906
Richland County
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 System715 Richland Mall Suite E, Mansfield, OH 449060.9 mi
- LabCorp Mansfield564 S Trimble Rd B, Mansfield, OH 449062.3 mi
- Quest Diagnostics - Balgreen Dr770 Balgreen Dr Ste 105, Mansfield, OH 449062.6 mi
- Quest Diagnostics - Mansfield Hosp335 Glessner Ave Ste 200, Mansfield, OH 449032.8 mi
- Quest Diagnostics - Richland1033 Ashland Rd Suite 135, Mansfield, OH 449055.2 mi
More lab options around Ontario
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.