Encore Healthcare Services, LLC Share: Health Departments Encore Healthcare Services, LLC Visit Website 2800 St Mary's Ave Suite B Hannibal, Missouri 63401-3779 (573) 603-1062 (573) 603-1044 (fax) www.encorehcs.net Facebook Hours: Monday - Thursday 9 AM-5 PM Friday 8 AM- 4 PM Saturday 8 AM-12 PM About Map About DOT/Non DOT drug and alcohol testing, DNA testing, fingerprinting, I-9 verification, virtual mailbox services Directions Located in the strip mall directly across from Hannibal Dental Group on Saint Mary's Ave. Next door to The Strand Hair Salon and Smoke Shop