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

mobile desktop

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
International patients:+1-410-502-7683 or fill out a form

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, B.S.N., R.N.

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

Bright-Agindotan, Joy, MSN, FNP-BC

Kristen Koller, C.R.N.P.

Title: Advanced Gastroenterology Nurse Practitioner; Bariatric Nurse Practitioner
Specialty: Advanced therapeutic endoscopy, bariatric endoscopy, pancreaticobiliary disease

headshot of 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: Certified Registered Nurse Practitioner
Specialty: Inflammatory Bowel Diseases and General Gastroenterology

Weiss, Lindsey, DNP, CRNP