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Division of Pediatric Gastroenterology & Hepatology

The Division of Pediatric Gastroenterology, Hepatology and Nutrition offers comprehensive inpatient, outpatient and laboratory services to evaluate and treat infants, children and adolescents with gastrointestinal, liver and pancreatic disorders.

Programs and Areas of Expertise

Patient Conditions: Gastoesophageal reflux, Dysfunctional swallowing, Failure to thrive, inflammatory bowel disease, Peptic ulcer disease, Malabsorption, Pancreatic disorders, Neonatal jaundice, Chronic Liver Disease, Acute and chronic diarrhea, Constipation, Recurrent abdominal pain, Feeding disorders (eosinophilic esophagitis, autism), Eosinophilic gastroenteropathy, Celiac Disease, EOE (Eosinophilic Esophagitis)

Comprehensive Evaluations: Diagnostic and therapeutic endoscopic procedures, Breath analysis for detecting carbohydrate Malabsorption and bacterial overgrowth, 24-hour pH probe study, Manometry.

Infusion Therapy

Faculty and Staff

  • Runa D. Watkins, MD 
    Division Head
    Assistant Professor, Pediatrics
    Associate Fellowship Program Director
    Special Interests: Celiac Disease/Gluten related disorders; Education & nutrition; Fecal transplant; Capsule Endoscopy
  • Atiye Nur Aktay, MD
    Assistant Professor, Pediatrics
    Endoscopy Director, Pediatric Gastroenterology
    Special Interests: Pediatric Endoscopy, IBD, Celiac Disease, Fecal Microbial Transplantation
  • Samra Blanchard, MD
    Associate Professor, Pediatrics
    Vice Chair of Clinical Affairs, Pediatrics
    Special Interests: Children with Liver Disease; Inflammatory Bowel Disease; Pediatric Endoscopy
  • Lina M. Diaz Calderon, MD
    Assistant Professor, Pediatrics
    Special Interest: General Pediatric Gastroenterology, Special Needs and Nutrition, IBD, Motility and Functional GI Disorders
  • Steven J. Czinn, MD
    Professor and Chair, Pediatrics
    Special Interest: Mucosal Immunology; Gastrointestinal Infections; Helicobacter Pylori; Inflammatory Bowel Disease
  • Jennifer S. Hong, MD, MPH
    Assistant Professor, Pediatrics
    Assistant Fellowship Program Director
    Co-Director of the Eosinophilic Esophagitis Program
  • Howard Kader, MD
    Assistant Professor, Pediatrics
    Special Interest: Childhood inflammatory bowel disease, Pediatric Crohn's Disease
  • Jay Perman, MD
    Professor, Pediatrics
    President; University of Maryland Baltimore
    Special Interests: General Pediatric Gastroenterology and Nutrition
  • Sarah Choi, CRNP
    Pediatric Nurse Practitioner
    Special Interest: General Pediatric Gastroenterology, Constipation/Encopresis
  • Elsie Stines, CRNP
    Pediatric Nurse Practitioner
    Special Interests: Pediatric Gastroenterology; Failure to Thrive; Inflammatory Bowel Disease; Constipation/Encoprisis

Division Staff

  • Tiona Speights, MSN, RN
    Registered Nurse
  • Amber Cluster, BSN, RN
    Registered Nurse
  • Laura Hamilton, MSN, RN
    Registered Nurse
  • Nicole Hudak BSN, RN
    Registered Nurse
  • Margaret Martin, RN, BSN
    Registered Nurse
  • Conchetta Williams
    Office Manager & Pediatric GI Fellowship Coordinator

Educational Activity

  • Precepting 3rd year students
  • Train 4th year students in GI elective
  • Give 10 lectures to residents every year
  • Mentor research projects for students and residents
  • Board review for graduating residents

Pediatric Gastroenterology Fellowship Program (UMMC)

Related Links


University of Maryland Pediatric Specialty Midtown
827 Linden Avenue
2nd Floor
Baltimore, MD 21201

Young Adult and Adolescent Health Services
120 Penn Street
Baltimore, Maryland 21201

Mt. Washington Pediatric Hospital
1708 West Rogers Ave.
Baltimore, MD 21209

University of Maryland Pediatrics at Upper Chesapeake
520 Upper Chesapeake Dr.
Physicians Pavilion II, Suite 509
Bel Air, MD 21014

University of Maryland Pediatrics Specialty at Hanover
7556 Teague Rd., Suite 420
Hanover, MD 21076

University of Maryland Pediatrics at Lutherville
1302 Bellona Avenue
Lutherville MD  21093

Contact Information

Division of Pediatric Gastroenterology & Nutrition
22 S. Greene Street, Rm N5W70
Baltimore, MD 21201
410-328-0812 (academic office)