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A close-up of Sibley Memorial Hospital building.

Gastroenterology and Hepatology Services at Sibley Memorial Hospital, Washington, D.C.

Our clinicians at The Johns Hopkins Division of Gastroenterology and Hepatology at Sibley Memorial Hospital offer the world-class expertise and unparalleled resources of Johns Hopkins Medicine to residents of the Washington, D.C. metropolitan area.


Request an Appointment

  • Schedule online through MyChart

    Available for follow-up appointments with most providers
    Log into MyChart | Sign up for MyChart

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  • Schedule by phone

    New and existing patients can schedule by phone using these numbers:
    For clinic appointment scheduling in Maryland and D.C.: 410-933-7495
    For endoscopy appointment scheduling in Maryland and D.C.: 443-997-0286

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International patients can request an appointment though international patient services.


Services at Sibley Memorial Hospital

Clinics and Centers



All New Patients

In preparation for your first visit, please complete and bring the New Patient Questionnaire to your appointment. Having this completed prior to your appointment will speed up your appointment check-in.

New Hepatology Referrals

If you're interested in becoming a new patient and you have not been seen by a Hopkins provider before, please complete and fax a copy of the Hepatology Patient Registration Form (available as a PDF or Word document) to the office at 202-660-7359.


Our Team

Nurses and Nurse Practitioners

  • Alyssa Bardales

    Title: Registered Nurse and Nurse Coordinator
    Specialty: Inflammatory bowel diseases
    Alyssa Bardales
  • Joy C. Bright-Agindotan, M.S.N., F.N.P.-B.C.

    Title: Certified Registered Nurse Practitioner
    Specialty: Pancreatobiliary diseases
    Joy C. Bright-Agindotan
  • Kristen Koller, C.R.N.P.

    Title: Advanced Gastroenterology Nurse Practitioner; Bariatric Nurse Practitioner
    Specialty: Advanced therapeutic endoscopy, bariatric endoscopy, pancreaticobiliary disease
    Kristen Koller
  • Jenna Rice, M.S.N, C.R.N.P.

    Title: Certified Registered Nurse Practitioner
    Specialty: General Gastroenterology, Hepatology & Liver Transplant
    Jenna Rice, M.S.N, C.R.N.P.
  • Marinen Maglente, B.S.N, R.N.

    Title: Registered Nurse
    Specialty: Hepatology & Liver Transplant
    Marinen Maglente
  • Lindsey Weiss, D.N.P., C.R.N.P.

    Title: Nurse Practitioner Fellow
    Specialty: Inflammatory Bowel Diseases
    Lindsey Weiss, D.N.P., C.R.N.P.
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