Nicholas O. Davidson, MD, DSc

Nicholas O. Davidson, MD, DSc

John E. and Adaline Simon Professor of Medicine and Developmental Biology
Chief, Division of Gastroenterology
Director, Digestive Disease Research Core Center

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David H. Alpers, MD

David H. Alpers, MD

Emeritus William B. Kountz Professor of Medicine
Co-Director, Center for Human Nutrition

Osama Altayar, MD

Osama Altayar, MD

Assistant Professor of Medicine

Surachai Amornsawadwattana, MD

Surachai Amornsawadwattana, MD

Assistant Professor of Medicine

Ahmad Najdat  Bazarbashi, MD

Ahmad Najdat Bazarbashi, MD

Assistant Professor of Medicine

Michael C Bennett, MD

Michael C Bennett, MD

Associate Professor of Medicine

Christopher R Berghoff, PhD

Christopher R Berghoff, PhD

Associate Professor of Medicine

Richa Bhardwaj, MD

Richa Bhardwaj, MD

Assistant Professor of Medicine

Kumar S. Bishnupuri, PhD

Kumar S. Bishnupuri, PhD

Instructor in Medicine

Valerie Blanc, PhD

Valerie Blanc, PhD

Instructor in Medicine

Elizabeth Blaney, MD

Elizabeth Blaney, MD

Associate Professor of Medicine

Jeffrey W Brown, MD, PhD

Jeffrey W Brown, MD, PhD

Assistant Professor of Medicine

Siyan “Stewart” Cao, MD, PhD

Siyan “Stewart” Cao, MD, PhD

Instructor in Medicine

Chien-Huan Chen, MD, PhD

Chien-Huan Chen, MD, PhD

Professor of Medicine
Associate Director of Clinical Affairs
Director, General GI
Director, Patient Safety and Quality
Director, Small Bowel Endoscopy Program

Emily S Cherry, MSN, APRN, AGPCNP-C

Emily S Cherry, MSN, APRN, AGPCNP-C

Adult Nurse Practitioner

Matthew Ciorba, MD

Matthew Ciorba, MD

Professor of Medicine
Director, Inflammatory Bowel Diseases Program
Director, IBD Research
Associate Director, GI Fellowship Program and T32 Research

Jeffrey S. Crippin, MD

Jeffrey S. Crippin, MD

Professor of Medicine
Marilyn E. Bornefeld Chair in Gastrointestinal Research and Treatment
Associate Chairman for Clinical Programs

Koushik Das, MD

Koushik Das, MD

Associate Professor of Medicine

Nicholas O. Davidson, MD, DSc

Nicholas O. Davidson, MD, DSc

John E. and Adaline Simon Professor of Medicine and Developmental Biology
Chief, Division of Gastroenterology
Director, Digestive Disease Research Core Center

Parakkal Deepak, MBBS, MS

Parakkal Deepak, MBBS, MS

Associate Professor of Medicine

Brian K. Dieckgraefe, MD, PhD

Brian K. Dieckgraefe, MD, PhD

Associate Professor of Medicine
Chief of Gastroenterology, St. Louis VA Medical Centers

Dayna S. Early, MD

Dayna S. Early, MD

Professor of Medicine
Director, Endoscopy

Jill Elwing, MD

Jill Elwing, MD

Assistant Professor of Medicine

Jaquelyn F. Fleckenstein, MD

Jaquelyn F. Fleckenstein, MD

Professor of Medicine
Director, Hepatology Program
Director, Advanced Hepatology Fellowship

Cassandra Fritz, MD, MPHS

Cassandra Fritz, MD, MPHS

Assistant Professor of Medicine

Maté Gergely, MD

Maté Gergely, MD

Assistant Professor of Medicine

Angela Gieseler, PA-C, MMS

Angela Gieseler, PA-C, MMS

Physician Assistant

Martin H. Gregory, MD, MSCI

Martin H. Gregory, MD, MSCI

Assistant Professor of Medicine

Anas Gremida, MD

Anas Gremida, MD

Assistant Professor of Medicine

C. Prakash Gyawali, MD, MRCP

C. Prakash Gyawali, MD, MRCP

Professor of Medicine
Director, GI Fellowship Training Program
Director, Neurogastroenterology and Motility Program

  • Phone: 314-747-2066
  • Fax: For Patient Related Faxes Please Use 314-747-1277. For Fellowship Related Faxes Please Use 314-362-3643

Patient-related faxes 314-747-1277

Fellowship-related faxes 314-362-3643

Samantha Halpern MSN, APRN, FNP-C.

Samantha Halpern MSN, APRN, FNP-C.

Adult Nurse Practitioner

Deborah Hiatt-Jensen, MSN, APRN, FNP-C

Deborah Hiatt-Jensen, MSN, APRN, FNP-C

Adult Nurse Practitioner

Laurie Hopper, DNP

Laurie Hopper, DNP

Adult Nurse Practitioner

Elizabeth Huebner, MD

Elizabeth Huebner, MD

Associate Professor of Medicine

Kayci Huff, MD, PhD

Kayci Huff, MD, PhD

Associate Professor of Medicine

Mohammad Ismail, MD, AGAF

Mohammad Ismail, MD, AGAF

Professor of Medicine

Kevin Korenblat, MD

Kevin Korenblat, MD

Professor of Medicine
Medical Director, Liver Transplantation

Devesha Kulkarni, PhD

Devesha Kulkarni, PhD

Assistant Professor of Medicine

Vladimir Kushnir, MD

Vladimir Kushnir, MD

Professor of Medicine
Director, Endoscopic Research
Director, Bariatric Endoscopy
Director, Interventional Endoscopy

Gabriel Lang, MD

Gabriel Lang, MD

Associate Professor of Medicine
Director, Advanced Interventional Fellowship Program

Marc S. Levin, MD

Marc S. Levin, MD

Professor of Medicine

Nichole Lewis, MMS, PA-C

Nichole Lewis, MMS, PA-C

Physician Assistant

Mauricio Lisker-Melman, MD

Mauricio Lisker-Melman, MD

Professor of Medicine

Rachel Maday APRN, FNP-C

Rachel Maday APRN, FNP-C

Adult Nurse Practitioner