Gastroenterology and Hepatology Service at Green Spring Station — Lutherville

Our expert clinicians at The Johns Hopkins Division of Gastroenterology and Hepatology at Green Spring Station offer a full range of gastroenterology and hepatology services including endoscopy and motility studies.

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Schedule online through MyChart

Available for follow-up appointments with most providers
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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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Centers and Clinics at Green Spring Station

Procedures at Green Spring Station

Learn about these procedures in our Health section.

Our Team

  • Maaza Sophia Abdi, M.D.

    Expertise: Abdominal Pain, Anal Cancer, Celiac Disease, Clinical Gastroenterology, Colon Polyps

    Primary Location: Johns Hopkins Bayview Medical Center, Baltimore, MD

  • Elham Afghani, M.D., M.P.H.

    Expertise: Abdominal Pain, Colon Polyps, Colonoscopy, Colorectal Cancer Screening, Diarrhea

    Primary Location: Johns Hopkins Medicine - Green Spring Station, Lutherville, MD

  • Marshall S Bedine, M.D.

    Expertise: Gastroenterology, Inflammatory Bowel Disease (IBD), Irritable Bowel Syndrome

    Primary Location: Johns Hopkins Medicine - Green Spring Station, Lutherville, MD

  • Victor Chen, M.D., Ph.D.

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

    Primary Location: Johns Hopkins Medicine - Green Spring Station, Lutherville, MD

  • Doan Y Dao, M.D.

    • Director, Center of Excellence for Liver Disease in Viet Nam, Johns Hopkins University School of Medicine

    Expertise: Clinical Gastroenterology, Hepatitis, Liver Cancer, Liver Disease

    Primary Location: Johns Hopkins Outpatient Center (now called Levi Watkins, Jr., M.D., Outpatient Center), Baltimore, MD

  • Michael Gilbert Goggins, M.B.B.Ch., M.D.

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

    Primary Location: The Johns Hopkins Hospital (Main Entrance), Baltimore, MD

  • James Peter Hamilton, M.D.

    • Director of Hepatology

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

    Primary Location: Johns Hopkins Medicine - Green Spring Station, Lutherville, MD

  • Mouen A Khashab, M.D.

    • Director of Therapeutic Endoscopy

    Expertise: Achalasia, Bile Duct Disease, Cholangiocarcinoma, Cholangioscopy, Colon Polyps

    Primary Location: The Johns Hopkins Hospital (Main Entrance), Baltimore, MD

  • Mark Gregory Lazarev, M.D.

    Expertise: Anal Fistula, Celiac Disease, Clinical Gastroenterology, Colitis, Colon Polyps

    Primary Location: The Johns Hopkins Hospital (Main Entrance), Baltimore, MD

  • Joanna Miller Peloquin Melia, M.D.

    Expertise: Anal Fistula, Celiac Disease, Celiac Sprue, Colitis, Crohn's Disease

    Primary Location: The Johns Hopkins Hospital (Main Entrance), Baltimore, MD

  • Stephen Joseph Meltzer, M.D.

    Expertise: Barrett's Esophagus, Esophageal Cancer, Gastroenterology, Gastroesophageal Reflux Disease (GERD)

    Primary Location: Johns Hopkins Medicine - Green Spring Station, Lutherville, MD

  • Alyssa Maria Parian, M.D.

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

    Primary Location: Johns Hopkins Bayview Medical Center, Baltimore, MD

  • Vikesh Singh, M.D., M.Sc.

    • Director of Pancreatology
    • Director of Endoscopy, Johns Hopkins Hospital

    Expertise: Abdominal Pain, Clinical Gastroenterology, Colon Polyps, Digestive Disorders, Endoscopic Ultrasound

    Primary Location: The Johns Hopkins Hospital (Main Entrance), Baltimore, MD

  • Hazel Marie Galon Veloso, M.D.

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

    Primary Location: Johns Hopkins Medicine - Green Spring Station, Lutherville, MD

Advanced Providers

Nicole deBettencourt, DNP, CRNP

Certified Registered Nurse Practitioner

Nicole deBettencourt, DNP, CRNP

Jae O. Lee, MSN, CRNP

Jae O. Lee, MSN, CRNP

Kate Lee-Young, DNP, MSN, CRNP

Kate Lee-Young, DNP, MSN, CRNP

Ashley M. Salamone, MSN, CRNP

Ashley Salamone

Blake Reddick, DNP, CRNP

General Gastroenterology Nurse Practitioner

Reddick, Blake, DNP, CRNP