Meet the Pediatric Gastroenterology Team

William I Muinos, MD

Chief, Department of Pediatric Medicine
Director, Division of Gastroenterology
Director, Weight Management Clinic

Primary Office: Miami

Clinical Interests: Pediatric gastroenterology, Nutritional support, Gastroesophageal reflux, Hepatitis B

Alisa J Muniz Crim, MD

Medical Director, IBD Center

Primary Office: Miami

Additional Office: Miami

Clinical Interests: Pediatric inflammatory bowel disease (IBD), celiac disease, feeding disorders, gastrointestinal dysmotility

John M Peters, DO

Pediatric Specialists of America Northern Regional Chief, Section of Gastroenterology

Primary Office: Palm Beach Gardens

Clinical Interests: Inflammatory bowel disease (IBD), liver disease in children and short-bowel syndrome

Luis F Caicedo Oquendo, MD

Medical Director, Fecal Transplant Program Director-elect, Gastroenterology, Hepatology and Nutrition Fellowship Program

Primary Office: Miami

Additional Offices: Doral, Miami, Palm Beach Gardens

Clinical Interests: Obesity, food allergies, Inflammatory Bowel Disease (IBD), Irritable Bowel Syndrome (IBS) and nutrition

Lina Maria Felipez, MD

PSA Director, IBD Research

Primary Office: Miami

Additional Office: Aventura

Clinical Interests: IBD, reflux, constipation, celiac disease, eosinophilic esophagitis

Ruben Gonzalez-Vallina, MD

Director, Gastroenterology Outpatient Initiative
PSA Director, Community GI Initiatives

Primary Office: Miami

Clinical Interests: Pediatric liver transplantation, celiac disease, inflammatory bowel disease and nutrition

Carrie Firestone Baum, MD

Pediatric Gastroenterologist

Primary Office: Boynton Beach

Additional Office: Palm Beach Gardens

Clinical Interests: Gastrointestinal disorders such as functional abdominal pain and constipation, as well as celiac disease, eosinophilic esophagitis and inflammatory bowel disease.

Shifra A Koyfman, MD

Pediatric Gastroenterologist

Primary Office: Miami

Additional Office: Boynton Beach

Clinical Interests: Gastrointestinal (GI) diseases, Inflammatory Bowel Disease (IBD), proctocolitis, milk protein intolerance, acid reflux, celiac disease, abdominal pain