Mercy Clinics


Mercy Iowa City Gastroenterology
540 E. Jefferson St. Ste. 201
Iowa City, IA 52245
Phone: 319-337-5997
Fax: 319-358-2665

Monday through Friday
8 a.m. - 5 p.m.

In-person and telehealth appointments


Colonoscopy Prep Documents: SUPREP Instructions | SUTAB Pill Instructions

Bushra M.I. Sulieman, MD
Dr. Sulieman received his medical education from University of Khartourn, completed his residency at SUNY Downstate Medical Center, completed a fellowship at University of Iowa Hospitals and Clinics, and is certified by the American Board of Internal Medicine, Gastroenterology Certificate.
Erin Christakos, MMS, PA-C
Erin received her medical education from Midwestern University and is board certified by the National Commission on Certification of the Physician Assistant.

Specialized Expertise in:
  • Gastroenterology (digestive system and
    disorders of the digestive system)
  • Bowel and bladder management
  • Celiac disease
  • Chronic diarrhea
  • Colorectal cancer
  • Colorectal pain
  • Constipation
  • Defecation disorders
  • Diverticulitis
  • Fructose intolerance
  • Gastroesophageal reflux disease (GERD)
  • Gastrointestinal mobility (GI mobility)
  • Heartburn
  • Helicobacter pylori infection
  • Inflammatory bowel disease
  • Lactose intolerance
  • Liver disease
  • Peptic ulcers
  • Reflux
  • Treatment of hepatitis C

Treatments and Procedures:

  • Anoscopy
  • Colonoscopy
  • Esophagoscopy
  • Prevention and education
  • Proctosigmoidoscopy
  • Sigmoidoscopy
  • Upper GI endoscopy