Clive, IA

About this practice:

Mercy Gastroenterology Clinic
1601 NW 114th St., Suite 342
Clive, IA 50325
P: 515-674-7111
F: 515-223-0482

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Harvey A. Giller, DO

Dr. Giller has practiced gastroenterology since 1981 and he started Digestive and Liver Disease Consultants (DLDC) in 1986. In 2010, DLDC became part of Mercy Clinics and changed its name to Mercy Gastroenterology Clinic. Dr. Giller is the Medical Director of the Clinic.

He obtained his undergraduate degree from Penn State University and his medical degree from The College of Osteopathic Medicine and Surgery in Des Moines. His internal medicine residency was done at the University of Missouri-Kansas City, in Kansas City, Missouri. His gastroenterology fellowship was from the University of Nebraska, in Omaha, Nebraska.

Dr. Giller is on several medical committees and is a member of several boards throughout the community. He is a member of the American College of Gastroenterology, the American Gastroenterological Association and the American College of Physicians.

Bernard M. Feldman, DO FACG

Dr. Feldman has practiced gastroenterology since 1985 and joined Digestive and Liver Disease Consultants in 1990. In 2010, DLDC became part of Mercy Clinics and changed its name to Mercy Gastroenterology Clinic.

He obtained his undergraduate degree from the University of Arizona and his medical degree from The College of Osteopathic Medicine and Surgery in Des Moines. His internal medicine residency and fellowship were done at Brooke Army Medical Center. Dr. Feldman is a member of the American College of Gastroenterology and the American Gastroenterological Association.

Ellen A. Dy, MD

Dr. Dy has practiced gastroenterology since 1996 with Digestive and Liver Disease Consultants. In 2010, DLDC became part of Mercy Clinics and changed its name to Mercy Gastroenterology Clinic.

Dr. Dy obtained her medical degree from Indiana University. She was Chief GI Fellow at the University of Texas and completed an Advanced Therapeutic Endoscopy Fellowship at the Medical College of Pennsylvania. Dr. Dy is a member of the American college of Gastroenterology, the American Gastroenterological Association, and the American society for Gastrointestinal Endoscopy.

Shirley C. Pua, MD

Dr. Pua has practiced gastroenterology since 1990 and joined Digestive and Liver Disease Consultants in 2003. In 2010, DLDC became part of Mercy Clinics and changed its name to Mercy Gastroenterology Clinic.

Dr. Pua obtained her undergraduate and medical degree from the University of Santo Tomas in Manila, Philippines. She was employed as an Internist and Gastroenterologist in Winnsboro, LA before coming to join Mercy Gastroenterology Clinic. Dr. Pua is a member of the American College of Gastroenterology and the American Gastroenterological Association.