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Pediatric Gastroenterology, Hepatology and Nutrition

US News & World Report: Best Children's Hospitals 2022-23

As one of the top programs in the country, the Division of Pediatric Gastroenterology, Hepatology and Nutrition at Johns Hopkins Children’s Center is dedicated to providing the highest quality medical care and state-of-the-art techniques in the evaluation and treatment of gastrointestinal, liver and nutritional disorders.

Our internationally recognized expert pediatric gastroenterologists and hepatologists work together with certified nurse practitioners, nurses and dietitians to help children with a variety of gastrointestinal symptoms including chronic abdominal pain, reflux, constipation, vomiting and nausea.

gastroenterology doctors laugh with a patient at her hospital bedsidePediatric gastroenterologists Maria Oliva-Hemker, M.D., left, and Suchitra Hourigan, M.D., with a patient.

Our Pediatric Inflammatory Bowel Disease Center is the largest such center in Maryland. We have nationally recognized experts in inflammatory bowel disease (IBD), including gastroenterologists, colorectal surgeons with expertise in laparoscopic surgeries, dieticians with added expertise in IBD, and behavioral psychologists knowledgeable in children’s psychosocial issues to help patients and families manage the condition. 

Our Pediatric Liver Center is Maryland’s oldest and largest center performing pediatric liver transplants. As the only center offering living-donor liver transplants in the state, we’ve performed surgeries on children as young as 4 months old. Our pediatric liver transplant team, the largest in Maryland, has performed transplants for nearly every indication, including acute and chronic conditions.

We provide care at Johns Hopkins Children’s Center as well as several other locations.

See Contact Information and Locations.

Our Procedures

Knowing what will happen during procedures ahead of time can help to increase the comfort level of both parent and patient.

These procedures are scheduled through your gastroenterology provider. Learn more in the links below about some of these procedures.

If you have any questions, please contact us or request an appointment.

  • Endoscopy
  • Intraesophageal pH monitoring: pH probe, Bravo pH
  • Impedance testing
  • Capsule endoscopy
  • Rectal suction biopsy
  • Percutaneous liver biopsy

Contact Us

For Patients/Appointments

443-997-5437 (KIDS), option 2, option 11
Fax: 410-367-2762

For patients and families needing to reach the on-call physician for emergencies after 5 p.m., contact the paging operator at 410-955-6070

For Health Care Providers

Consultative Services
Emergency consultative services (physician-to-physician) are available 24 hours a day by calling the Hopkins Access Line (HAL) at 1-800-765-5447 (in Baltimore 410-955-9444).


Frederick Health Toll House
501 W 7th St
Frederick, MD 21701

Johns Hopkins Children's Center Pediatric Specialists - Annapolis
820 Bestgate Rd, Ste 2D
Annapolis, MD 21401

Howard County General Hospital
Chartered Building

10710 Charter Dr, Ste 140
Columbia MD 21044

Greater Baltimore Medical Center
6565 N. Charles St
Physicians Pavilion East, Ste 313
Baltimore, MD 21204

Johns Hopkins Children's Center Pediatric Specialists - Bethesda
6420 Rockledge Dr., Ste 2300
Bethesda, MD 20817

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