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Tsion Abdi, M.D., M.P.H.
Expertise: Barrett's Esophagus, Blood in Stool (Hematochezia), Colon Polyps, Colorectal Cancer Screening, Constipation
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Eduardo Jose Gonzalez-Velez, M.D.
Expertise: Abdominal Pain, Anemias, Barrett's Esophagus, Bloating, Blood in Stool (Hematochezia)
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Gerard E Mullin, M.D., M.S.
Expertise: Anemias, Blood in Stool (Hematochezia), Celiac Disease, Colon Cancer, Colon Polyps
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Hazel Marie Galon Veloso, M.D.
Expertise: Abdominal Pain, Anemias, Barrett's Esophagus, Bloating, Blood in Stool (Hematochezia)
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Huimin Yu, B.M., M.D., Ph.D.
Expertise: Abdominal Pain, Anal Fistula, Anemias, Clinical Gastroenterology, Clostridium Difficile
Our expert clinicians at The Johns Hopkins Division of Gastroenterology and Hepatology at White Marsh offer a full range of gastroenterology and hepatology services, including endoscopy.
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 care in Maryland: 410-933-7495
For care in DC: 202-660-5555
International patients: +1-410-502-7683 or fill out a form

Services at White Marsh
- General gastroenterology
- Upper endoscopy
- Diagnostic testing
- Polypectomy and dilation of esophageal strictures
- Colonoscopy
- Colon cancer screening
- Diagnostic colonoscopy
- Colonoscopy for polyp removal