About Stephen Marcum

Dr. Marcum specializes in the field of Gastroenterology, and is prepared to diagnose and treat patients suffering from diseases and complications of the gastrointestinal (digestive) tract, treating conditions such as irritable bowel syndrome or gastroesophageal reflux disease, among many others. 

Certifications & Memberships

The American Board of Internal Medicine - Internal Medicine
The American Board of Internal Medicine - Gastroenterology




Internal Medicine

Office Locations

Medical Center Office
1015 Medical Center Blvd., Suite 1400
Webster, TX 77598
Phone: (281) 338-2861
Fax: (281) 554-2035