Faculty | Page 6 | Division of Gastroenterology | Washington University in St. Louis

Melissa O’Neill, PA-C

Melissa O’Neill, PA-C

Physician Assistant

Phone: 314- 747-2066
Fax: 314-747-1277

Vivian Ortiz, MD, FACP

Vivian Ortiz, MD, FACP

Assistant Professor of Medicine

Phone: 314-747-2066
Fax: 314-454-5108

Jason J Pan, MD

Jason J Pan, MD

Assistant Professor of Medicine

Phone: 314-747-2066
Fax: 314-454-5108

Shiphie Philipose-Silva, MSN, APRN, FNP-C

Shiphie Philipose-Silva, MSN, APRN, FNP-C

Adult Nurse Practitioner

Phone: 314-747-2066
Fax: 314-747-5871

Charlene M Prather, MD, MPH

Charlene M Prather, MD, MPH

Professor of Medicine

Phone: For new patients, please call: 314-747-2066, option 1 For established patients, please call: 314-362-3903
Fax: 314-747-5871

Kathleen Pyatek, PA-C

Kathleen Pyatek, PA-C

Physician Assistant

Phone: 314-362-3903
Fax: 314-747-5871

Established Patients: 314-362-3903

Arvind Rengarajan, MD

Arvind Rengarajan, MD

Assistant Professor of Medicine

Phone: 314-362-3685
Fax: 314-747-1277

Juan Reyes Genere, MD

Juan Reyes Genere, MD

Assistant Professor of Medicine

Phone: 314-362-3685
Fax: 314-747-1277

Benjamin D Rogers, MD, MS

Benjamin D Rogers, MD, MS

Instructor in Medicine

Richard P Rood, MD, FACP, FACG, AGAF, FASGE

Richard P Rood, MD, FACP, FACG, AGAF, FASGE

Professor of Medicine

Phone: 314-273-0302
Fax: 314-747-5871