About us

Dr. Orlando Suarez has been serving the people of New York for years as a primary care physician and internist. Dr. Suarez completed his medical degree at Universidad de Ciencias Médicas de Villa Clara Facultad de Medicina. He then completed his residency in internal medicine at New York University.

Dr. Ronald Fagan is the head gastroenterologist, internist and primary care physician at LI Medical Group, which is located on the Hempstead Turnpike in Bethpage Farmingdale, New York (Long Island). Dr. Fagan received his medical degree at the Universidad Autonoma de Guadalajara in Mexico. Following a stint at Long Island Jewish Medical Center (to finish his residency), he worked at the Brooklyn Hospital Center to complete a gastroenterology fellowship.

Dr. Stuart Horowitz was board certified in family medical practice in 1985 and boasts nearly 30 years of experience working in Long Island. A Brooklyn native who grew up in Long Island. After completing his undergraduate studies at Hofstra University, Dr. Horowitz received his medical degree from the College of Osteopathic Medicine and Surgery in Iowa in 1977. He then finished his internship at three different hospitals: Interboro Hospital, Massapequa General Hospital and Long Island Jewish Hospital.

Dr. Marc Rybstein is a Long Island native and received his Bachelor’s of Science in Chemistry from New York University. There, he published multiple articles on chemistry and DNA in journals like the Journal of Inorganic Chemistry.