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

Sarah Anderson, APN

Primary Specialty: Hepatology
Jamie Brogan, NP

Jamie Brogan, NP

Primary Specialty: Inflammatory Bowel Disease
Jennifer Carvajal, APN

Jennifer Carvajal, APN

Primary Specialty: Gastrointestinal Surgery
Gwen M. Cassidy, APN

Gwen M. Cassidy, APN

Primary Specialty: Esophageal Gastroenterology
Erin Darguzas, CNP

Erin Darguzas, CNP

Primary Specialty: Inflammatory Bowel Disease
Lisa Daul, PA-C

Lisa Daul, PA-C

Primary Specialty: Colorectal Surgery
Gail DeLuca, APN, FNP-BC, BC-ADM

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

Primary Specialty: Obesity Management
Hazel Dhates Domingo, PA

Hazel Dhates Domingo, PA

Primary Specialty: Hepatology
Bethany Doerfler, MS, RDN

Bethany Doerfler, MS, RDN

Primary Specialty: Digestive Diseases
Kaitlin Fiore, APN, FNP-BC, CBN

Kaitlin Fiore, APN, FNP-BC, CBN

Primary Specialty: Bariatric Surgery, Obesity Management
Katherine Hanley, PA-C

Katherine Hanley, PA-C

Primary Specialty: Interventional Endoscopy
Simi J. Joseph, APN

Simi J. Joseph, APN

Primary Specialty: Esophageal Gastroenterology
Amy Kassebaum, PA-C, RD, MMS

Amy Kassebaum, PA-C, RD, MMS

Primary Specialty: Gastroenterology; Functional Bowel and Motility
Brittany Leano, PA-C

Brittany Leano, PA-C

Primary Specialty: Colorectal Surgery
Ellen McConnell, PA-C

Ellen McConnell, PA-C

Primary Specialty: Gastrointestinal Surgery
Allison Moser, FNP-BC

Allison Moser, FNP-BC

Primary Specialty: Hepatology
Amber Neal, PA

Amber Neal, PA

Primary Specialty: Colorectal Surgery
Palak Patel, PA-C

Palak Patel, PA-C

Primary Specialty: Gastroenterology
Kathryn Ross, PA-C

Kathryn Ross, PA-C

Primary Specialty: Nutrition
Mary Rouzer, DNP

Mary Rouzer, DNP

Primary Specialty: Hepatology
Grizaella Wang, APN

Grizaella Wang, APN

Primary Specialty: Colorectal Surgery
Nastassja Williams, NP-C

Nastassja Williams, NP-C

Primary Specialty: Gastroenterology