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Gastroenterology and Hepatology

Johns Hopkins Gastroenterology & Hepatology in Columbia

A full range of gastroenterology and hepatology services is available from our gastrointestinal (GI) experts at Johns Hopkins Medicine, without a trip to the hospital. This brand-new outpatient center is an all-in-one clinic, endoscopy center and surgery center offering screening, diagnosis and treatment for a wide range of GI disorders.

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 care in Maryland: 410-933-7495
For care in DC: 202-660-5555
International patients: +1-410-502-7683 or fill out a form

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How to Find Us

Johns Hopkins Gastroenterology and Hepatology
5450 Knoll North Drive
Columbia, MD 21045

GI Clinic: Suite 390
Phone: 443-546-1700

Endoscopy & Surgery Center (GI Lab, Infusion Center): Suite 390
Phone: 443-997-0286

Conveniently located off Route 29 and Route 175, close to the Columbia Town Center. Enjoy free parking and easy access to the GI services you need — all in the same building and on the same floor.

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The building at Knoll North

Appointments When You Need Them

Getting an appointment that works with your schedule (and your fasting requirements) is simple. We have both morning and afternoon appointments available on most days, and we can even arrange immediate appointments when necessary.

Services at Columbia

Clinics and Centers

Procedures

For Referring Physicians: Expedite patient diagnosis with our direct access endoscopy program.

Our Team

Patients at our Columbia center have access to the experience and expertise of Johns Hopkins physicians and nurses. The center is led by Ekta Gupta, M.D., director of endoscopy at the Knoll North Ambulatory Surgery Center.

  • Tsion Abdi, M.D., M.P.H.

    Expertise: Barrett's Esophagus, Blood in Stool (Hematochezia), Colon Polyps, Colorectal Cancer Screening, Constipation

  • Marcia Irene Canto, M.D., M.H.S.

    Expertise: Barrett's Esophagus, Chest Pain, Digestive Disorders, Endoscopic Ultrasound, Endoscopy

  • Reezwana Chowdhury, M.D.

    Expertise: Anemias, Blood in Stool (Hematochezia), Clostridium Difficile, Colitis, Colon Cancer

  • Ekta Gupta, M.B.B.S.

    Expertise: Abdominal Pain, Anemias, Barrett's Esophagus, Bloating, Blood in Stool (Hematochezia)

  • Amy K. Kim, M.D.

    Expertise: Acute Viral Hepatitis, Alcoholic Liver Disease, Alpha 1 Antitrypsin (AAT) Deficiency, Ascites, Autoimmune Hepatitis

  • Florin Marian Selaru, M.D.

    Expertise: Crohn's Disease, Fibrosis, Gastroenterology, Inflammatory Bowel Disease (IBD), Ulcerative Colitis

  • Tinsay Ambachew Woreta, M.D., M.P.H.

    Expertise: Acute or Chronic Viral Hepatitis, Acute Viral Hepatitis, Alcoholic Liver Disease, Alpha 1 Antitrypsin (AAT) Deficiency, Ascites

Advanced Practice Provider

Lauren Lu, D.N.P., C.R.N.P.

Certified Registered Nurse Practitioner

Lu, Lauren D.N.P., C.R.N.P.