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.

Sarah Anderson, APN
Hepatology

Jamie Brogan, NP
Inflammatory Bowel Disease

Jennifer Carvajal, APN
Gastrointestinal Surgery

Gwen M. Cassidy, APN
Esophageal Gastroenterology

Erin Darguzas, CNP
Inflammatory Bowel Disease

Lisa Daul, PA-C
Colorectal Surgery

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

Hazel Dhates Domingo, PA
Hepatology

Bethany Doerfler, MS, RDN
Digestive Diseases

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

Katherine Hanley, PA-C
Interventional Endoscopy

Simi J. Joseph, APN
Esophageal Gastroenterology

Amy Kassebaum, PA-C, RD, MMS
Gastroenterology; Functional Bowel and Motility

Brittany Leano, PA-C
Colorectal Surgery

Ellen McConnell, PA-C
Gastrointestinal Surgery

Allison Moser, FNP-BC
Hepatology

Amber Neal, PA
Colorectal Surgery

Palak Patel, PA-C
Gastroenterology

Kathryn Ross, PA-C
Nutrition

Mary Rouzer, DNP
Hepatology

Grizaella Wang, APN
Colorectal Surgery
