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Olaya Isabella Brewer Gutierrez, M.B.B.S.
Expertise: Barrett's Esophagus, Bile Duct Disease, Burping Belching, Chest Pain, Colon Polyps
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Aline Charabaty Pishvaian, M.D.
Expertise: Celiac Disease, Colorectal Cancer Screening, Crohn's Disease, Endoscopic Ultrasound, Immunotherapy Related GI Events
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Alia S. Dadabhai, M.D.
Expertise: Acute Viral Hepatitis, Alcoholic Liver Disease, Alpha 1 Antitrypsin (AAT) Deficiency, Ascites, Autoimmune Hepatitis
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Margaret Geraldine Keane, M.B.B.S., M.Sc.
Expertise: Endoscopic Retrograde Cholangiopancreatography, Endoscopic Sleeve Gastroplasty, Endoscopic Ultrasound, Gastroenterology, Internal Medicine
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Jacqueline Marie Laurin, M.D.
Expertise: Acute Viral Hepatitis, Alcoholic Liver Disease, Autoimmune Hepatitis, Benign Liver Lesions, Cirrhosis
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
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
- Motility
- Endoscopic Weight Loss
- Pancreatitis
- Inflammatory bowel disease (Crohn’s disease and Ulcerative colitis)
- Colon cancer screening
- Hepatology
Procedures
- Barrett's esophagus therapy
- Chromeoendoscopy
- Confocal laser endomicroscopy
- Upper Endoscopy or Esophagogastroduodenoscopy (EGD)
- Capsule endoscopy
- Colonoscopy (screening and treatment)
- Endoscopic ultrasound (EUS) with fine needle aspiration
- Endoscopic retrograde cholangiopancreatography (ERCP)
- Endoscopic sleeve gastroplasty
- Transoral Incisionless Fundoplication (TIF)
Forms
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
Joy C. Bright-Agindotan, M.S.N., F.N.P.-B.C.
Title: Certified Registered Nurse Practitioner
Specialty: Pancreatobiliary diseases
Kristen Koller, C.R.N.P.
Title: Advanced Gastroenterology Nurse Practitioner; Bariatric Nurse Practitioner
Specialty: Advanced therapeutic endoscopy, bariatric endoscopy, pancreaticobiliary disease
Jenna Rice, M.S.N, C.R.N.P.
Title: Certified Registered Nurse Practitioner
Specialty: General Gastroenterology, Hepatology & Liver Transplant
Marinen Maglente, B.S.N, R.N.
Title: Registered Nurse
Specialty: Hepatology & Liver Transplant
Lindsey Weiss, D.N.P., C.R.N.P.
Title: Nurse Practitioner Fellow
Specialty: Inflammatory Bowel Diseases
