Meet the Downtown Chicago Gastroenterology Team
The Northwestern Medicine Digestive Health Center brings together some of the best academic and clinical minds in pursuit of medical excellence in the area of gastrointestinal health. Our mission is to prevent, diagnose and treat disorders of the digestive tract and associated organs.

Lisa Daul-Ruben, PA-C
Colorectal Surgery

Gail DeLuca, APN, FNP-BC, BC-ADM
Obesity Management

Bethany Doerfler, MS, RDN
Digestive Diseases

Kaitlin Fiore, APN, FNP-BC, CBN
Bariatric Surgery, Obesity Management

Simi J. Joseph, APN
Esophageal Gastroenterology

Brittany Leano, PA-C
Colorectal Surgery
