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Gastroenterologists, Hepatologists & Nutritionists

The following physicians and advanced practice nurses specialize in treating children with disorders that affect digestion and nutrition. Please note that not all of our specialists are available at every location. Select their names to learn more about their special interest areas and locations.

Barry K. Wershil

Barry K. Wershil, MD

Division Head, Gastroenterology, Hepatology and Nutrition

Estella M. Alonso, MD

Estella M. Alonso, MD

Medical Director, The Siragusa Transplantation Center; Sally Burnett Searle Professorship in Pediatric Transplantation

Valeria C. Cohran

Valeria C. Cohran, MD

Medical Director, Intestinal Rehabilitation and Transplantation; Attending Physician, Gastroenterology

Lee M. Bass, MD

Lee M. Bass, MD

Clinical Practice Director and Director of Endoscopy, Gastroenterology, Hepatology and Nutrition

Jeffrey B. Brown

Jeffrey B. Brown, MD

Medical Director, Inflammatory Bowel Disease Program

Catherine A. Chapin, MD

Catherine A. Chapin, MD

Attending Physician, Gastroenterology, Hepatology & Nutrition

Bonnie S. Essner

Bonnie S. Essner, PhD

Pediatric Psychologist, The Pritzker Department of Psychiatry and Behavioral Health

Mark H. Fishbein

Mark H. Fishbein, MD

Attending Physician, Gastroenterology, Hepatology and Nutrition

John E. Fortunato, Jr

John E. Fortunato, Jr, MD

Director, Neurointestinal & Motility Program; Attending Physician, Gastroenterology, Hepatology and Nutrition

Alex D. Green, DO

Alex D. Green, DO

Attending Physician, Gastroenterology, Hepatology and Nutrition

Maria T. Greene, MD

Maria T. Greene, MD

Attending Physician, Gastroenterology

Batul Kaj-Carbaidwala

Batul Kaj-Carbaidwala, MD

Attending Physician, Gastroenterology, Hepatology & Nutrition

Alyssa A. Kriegermeier, MD

Alyssa A. Kriegermeier, MD

Attending Physician, Gastroenterology, Hepatology and Nutrition

Saeed Mohammad, MD

Saeed Mohammad, MD

Medical Director, Hepatology and Liver Transplantation

Suzanne P. Nelson, MD, MPH

Suzanne P. Nelson, MD, MPH

Attending Physician, Gastroenterology, Hepatology & Nutrition

Peter T. Osgood, MD

Peter T. Osgood, MD

Attending Physician, Gastroenterology, Hepatology & Nutrition

Maria E. Perez

Maria E. Perez, DO

Attending Physician, Gastroenterology, Hepatology & Nutrition

Lauren Potthoff

Lauren Potthoff, PhD

Pediatric Psychologist, The Pritzker Department of Psychiatry and Behavioral Health

C. Allan Pratt, MD

C. Allan Pratt, MD

Attending Physician, Gastroenterology, Hepatology and Nutrition

Joshua D. Prozialeck, MD

Joshua D. Prozialeck, MD

Attending Physician, Gastroenterology, Hepatology and Nutrition

Joseph M. Runde

Joseph M. Runde, DO

Attending Physician, Gastroenterology, Hepatology & Nutrition

Adrienne Scheich, MD

Adrienne Scheich, MD

Attending Physician, Gastroenterology, Hepatology and Nutrition

Jennifer A. Strople, MD

Jennifer A. Strople, MD

Attending Physician, Gastroenterology, Hepatology and Nutrition

Sarah A. Taylor, MD

Sarah A. Taylor, MD

Attending Physician, Gastroenterology, Hepatology and Nutrition

Joshua B. Wechsler

Joshua B. Wechsler, MD, MS

Attending Physician, Gastroenterology, Hepatology and Nutrition; CURED (Campaign Urging Research for Eosinophilic Disease) Foundation Research Scholar

Amanda Wenzel

Amanda Wenzel, MD

Attending Physician, Gastroenterology, Hepatology & Nutrition

Susan Buck

Susan Buck, APRN-NP, PNP

Pediatric Nurse Practitioner, Gastroenterology, Hepatology and Nutrition

Laura Fountain

Laura Fountain, APRN-NP

Pediatric Nurse Practitioner, Gastroenterology/Hepatology/Nutrition

Maria Manuel-Rubio, MSN, APN, CPNP

Maria Manuel-Rubio, MSN, APRN-NP, CPNP

Pediatric Nurse Practitioner, Gastroenterology, Hepatology and Nutrition

Melissa C. Semp

Melissa C. Semp, APRN-NP

Family Nurse Practitioner, Gastroenterology, Hepatology & Nutrition

Melanie H. Shea

Melanie H. Shea, MSPAS, PA-C

Physician Assistant, Gastroenterology, Hepatology & Nutrition

Julie K. Shotwell

Julie K. Shotwell, APRN-NP

Pediatric Nurse Practitioner, Gastroenterology, Hepatology & Nutrition

Truc Vo

Truc Vo, APRN-NP

Pediatric Nurse Practitioner, Gastroenterology, Hepatology and Nutrition