Skip Navigation

Masks Strongly Recommended but Not Required in Maryland, Starting Immediately

Due to the downward trend in respiratory viruses in Maryland, masking is no longer required but remains strongly recommended in Johns Hopkins Medicine clinical locations in Maryland. Read more.

Johns Hopkins Children's Center

Our Team

Faculty

  • Maria Oliva-Hemker MD

    • Vice Dean for Faculty
    • Professor of Pediatrics

    Expertise: Pediatric Gastroenterology

  • Kevin T. Cesa MD

    • Assistant Professor of Pediatrics

    Expertise: Pediatric Gastroenterology

  • Tony L. Guerrerio MD PhD

    • Director, Very Early Onset Inflammatory Bowel Disease Clinic
    • Associate Professor of Pediatrics

    Expertise: Pediatric Gastroenterology

  • Wikrom Karnsakul MD

    • Director, Pediatric Liver Center
    • Associate Professor of Pediatrics

    Expertise: Pediatric Hepatology, Pediatric Transplant Hepatology, Pediatric Gastroenterology

  • Shaija Kutty MBBS

    • Director, Gastrointestinal Functional Treatment Center (GIFT)
    • Assistant Professor of Pediatrics

    Expertise: Pediatric Gastroenterology

  • Sarah Bronwyn Lowry MD

    • Assistant Professor of Pediatrics

    Expertise: Pediatric Gastroenterology

  • Gihan Naguib MBCHB

    • Assistant Professor of Pediatrics

    Expertise: Pediatric Gastroenterology

  • Ken Ng DO

    • Director of Endoscopy
    • Assistant Professor of Pediatrics

    Expertise: Pediatric Gastroenterology

  • Ann Scheimann MD

    • Medical Advisor, Weight Management Program
    • Professor of Pediatrics

    Expertise: Pediatric Gastroenterology

  • Darla R. Shores MD PhD

    • Medical Director, The Hopkins Resource for Intestinal Vitality and Enhancement (THRIVE)
    • Associate Professor of Pediatrics

    Expertise: Pediatric Gastroenterology

  • Kathryn K. Smith MD

    • Medical Director, Pediatric Liver Transplantation
    • Assistant Professor of Pediatrics

    Expertise: Gastroenterology

Advance Practice Nurses

Mary Kay Alford, M.S.N., R.N., C.P.N.P.

Pediatric Nurse Practitioner
Medical Coordinator, Pediatric Liver Center

Lynn Mattis, M.S.N., R.N.

Clinical Nurse Specialist - Nutrition Center

Kristin Norko, M.S.N., C.P.N.P.-P.C.

Pediatric Nurse Practitioner Medical Coordinator, Inflammatory Bowel Disease Center

Lisa Santo Domingo, M.S.N., R.N., C.P.N.P.

Pediatric Nurse Practitioner
Chronic Constipation Center

Tina Zachariah Thomas, M.S.N., C.P.N.P.

Post-transplant Nurse Practitioner
Medical Coordinator, Pediatric Liver Center