Alexander Shapsis, M.D. is a Board-Certified, fellowship-trained Gastroenterologist in the New York area, specializing in all aspects of gastroenterology, hepatology, and hepato-billiary diseases.
Born in Moldova, Dr. Shapsis came to the United States with his family in 1991, and completed his undergraduate studies at New York University with a major in Biochemistry and a double Minor in Math and Philosophy. He graduated Cum Laude and finished his medical school training at the SUNY Downstate School of Medicine at the top of his class. He is also the winner of the HIAS scholarship for his academic merits.
Dr. Shapsis completed his Internal Medicine Residency at the St. Vincents Medical Center of Manhattan. Following his residency, Dr. Shapsis completed his Fellowship in Gastroenterology at the St. Vincents Medical Center of Manhattan, as well as The Mount Sinai Hospital.
Dr. Shapsis is an attending physician at St. Vincents Medical Center of Manhattan, where he teaches residents and Fellows the basics of Gastroenterology. Dr. Shapsis has presented nationally and is a published author of multiple research articles on various topics in gastroenterology, gastrointestinal motility, and ano-rectal disorders. He is certified by the American Board of Internal Medicine and Gastroenterology and is an active member of the American College of Gastroenterology and American Society of Gastrointestinal Endoscopy. Dr. Shapsis is strongly committed to the care of his patients and the treatment of colon cancer.

Dr. Cattano is the Past Chief of Medicine at Anne Arundel Medical Center, a Johns Hopkins-affiliated hospital in Annapolis, MD. A Fellow of the American College of Physicians (FACP), the American College of Gastroenterology (FACG), and the American Gastroenterological Association (AGAF), he has repeatedly been voted by his peers the "Top Doc in Gastroenterology" at both local and multiple state levels. Additionally, he has enjoyed HealthTap's "Top Gastroenterologist in the Nation" ranking for many years running. Dr. Cattano is highlighted in over a dozen Who's Who directories, and was recently highlighted by Marquis Who’s Who for their Lifetime Achievement recognition award (https://wwlifetimeachievement.com/2019/04/01/charles-joseph-cattano/). He completed in 1989 two respective fellowships simultaneously in adult gastroenterology at the Hospital of the University of Pennsylvania and in Metabolic Diseases at Children's Hospital in Philadelphia, preceded by residency at Northwestern University in Chicago, and medical school at SUNY-Upstate in Syracuse. He has served on faculties of Duke University and University of Pittsburgh. He has sixteen years of expertise as Principal Investigator for numerous clinical trials. A member of Phi Beta Kappa, he was elected in 1986 to membership in Mensa. Currently, he consults nationally in clinical gastroenterology and for Wall Street, internationally on pharmaceutical development, and adjudicates for multiple states, thirteen IRO’s, the Veterans Administration, and Social Security regarding peer review and quality determinants. He loves to teach, has served on numerous speakers’ panels, and has contributed to leadership and health programs at the rank of Captain in the US Air Force's auxiliary, Civil Air Patrol. With over 30 years of continuous specialty practice experience, he is certified and twice recertified by the American Board of Internal Medicine in Gastroenterology. Dr. Cattano holds active medical licenses in seven states: DE, FL, MD, ME, PA, NC, VA.

Dr. Goldstein graduated with honors at the Dartmouth Medical School. He worked as a Clinical Instructor of Medicine at the Highland Hospital and University of Rochester Medical Center. He has many publications and received awards such as the Freedman Award, Underwood Chemistry Prize, and the Tarbell Book Prize in Organic Chemistry.