Now seeing patients in the Mon Valley Area The Pittsburgh Gastroenterolgoy Associates is now seeing patients on Mondays and Thursdays in the mid-Mon Valley. We are committed to providing state-of-the-art care to patients, treating all gastrointestinal problems and screenings through a full range of diagnostic and therapeutic options. PITTSBURGH GASTROENTEROLOGY ASSOCIATES Spartan Health Surgicenter 100 Stoops Drive Monongahela, PA 15063 For more information or to schedule an appointment, call 724-565-5164. Lisa Oiva,D.O