Meet Your Columbia Gastroenterology Experts

DR. RUSSELL O. SCHUB, FACG, FACP

Dr. Schub is board certified by the American Board of Internal Medicine in both Internal Medicine and Gastroenterology.  Dr. Schub completed his fellowship training in gastroenterology at Johns Hopkins University School of Medicine and Bayview Medical Center in Baltimore, MD.

He completed his undergraduate studies in Biology at Muhlenberg College in Allentown, Pennsylvania. He received his medical degree from the New York College of Osteopathic Medicine. He completed an internship and residency in internal medicine at Coney Island Hospital in Brooklyn, NY.

Dr. Schub has served as an Associate Professor of Medicine at the Uniform Services University of the Health Sciences. He was also honored as a Fellow in the American College of Physicians. He served as a Lieutenant Commander in the United States Navy, and as a gastroenterologist at Bethesda Naval Hospital.

In addition to patient care, he has been active in clinical research, teaching, and has authored numerous abstracts and articles. Dr. Schub’s multifaceted background continues to shape his individualized approach to patient care.

MARGARET CARPINO, CRNP

Margaret Carpino is a Certified Registered Nurse Practitioner who has spent the bulk of her career in the field of gastroenterology. She received her undergraduate and graduate nursing degrees from Johns Hopkins University, having obtained a BA prior in history. As a nurse at Johns Hopkins Hospital she developed an interest in gastroenterology through her work in the Medical Progressive Care unit where she frequently took care of patients with acute and complex gastroenterological problems. She joined Dr. Schub’s practice from 2008 to 2018, and then again in early 2020. She has enjoyed the collaborative environment providing care to a wide variety of patients with both acute and chronic issues.

Originally from Massachusetts, Margaret has enjoyed exploring her new home with her husband and two children.