Quest Diagnostics

Lab Testing at Quest Diagnostics - Marion Lab - Delaware Ave

Quest Diagnostics Patient Service Center in Marion, OH 43302.

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Popular tests at this location:

TSH Lipid Panel CBC A1C Testosterone Vitamin D CMP

Address

1040 Delaware Ave
Marion, OH 43302
Marion County

567-908-9161

Hours

Monday	7:00 AM – 5:30 PM
Tuesday	7:00 AM – 5:30 PM
Wednesday	7:00 AM – 5:30 PM
Thursday	7:00 AM – 5:30 PM
Friday	7:00 AM – 5:30 PM
Saturday	8:00 AM – 12:00 PM
Sunday	Closed

Nearby alternatives

Quest Diagnostics - Marion
1069 Delaware Ave Ste B, Marion, OH 43302
0.1 mi
Quest Diagnostics - Marion - University Dr
130 University Dr Ste 1200, Marion, OH 43302
1.7 mi
Avita Workwell Bucyrus
959 Hopley Ave, Bucyrus, OH 44820
17.7 mi
Quest Diagnostics - Delaware - Lexington Blvd
6 Lexington Blvd, Delaware, OH 43015
18.1 mi
Quest Diagnostics - Grady Hosp
561 W Central Ave First Floor, Delaware, OH 43015
18.3 mi

More lab options around Marion

All Marion lab locationsCompare draw centers in Marion, OH.Quest Diagnostics - Marion1069 Delaware Ave Ste B, Marion, OH 43302 Quest Diagnostics - Marion - University Dr130 University Dr Ste 1200, Marion, OH 43302

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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.