Testing Locations » New York » Amherst NY » Quest Diagnostics – 3980 Sheridan – Employer Drug Testing Not Offered Quest Diagnostics – 3980 Sheridan – Employer Drug Testing Not Offered Quest Diagnostics – 3980 Sheridan – Employer Drug Testing Not Offered3980 Sheridan DrDent Tower Ste 314Amherst, NY 14226-1727 United States