John Francis Sullivan, MD

Dr. Byron P. Demopoulos is a graduate of Amherst College. He received his medical degree from Cornell University Medical College (currently Weill Cornell Medical College) in 1991 and completed his Internal Medicine Residency at The New York Hospital [now NewYork-Presbyterian Hospital (Weill Cornell Campus)] in 1994. Upon completion of his training, Dr. Demopoulos joined the Weill Cornell Internal Medicine Associates practice, where he is engaged in the practice of General Internal Medicine.Dr. Demopoulos is active in the education of medical students, residents, and fellows. He is also an active participant in medical resident education in ambulatory care and helped establish and develop an in-patient Hospitalist program and Medical Orthopedics Trauma Service. He is the recipient of numerous awards for excellence in teaching from the Medical School and the Residency Training Program.

Dr. Fred N. Pelzman graduated from Wesleyan University and received his medical degree from the Albert Einstein College of Medicine of Yeshiva University in 1993. He completed his Internal Medicine Residency program at University of California, San Francisco in 1996. Upon completion of his training, Dr. Pelzman returned to New York to join the Weill Cornell Internal Medicine Associates practice where he practices General Internal Medicine. Dr. Pelzman is the Associate Medical Director of Cornell Internal Medicine Associates and directs the educational curriculum for medical house officers. He is the recipient of numerous awards for excellence in teaching.

Dr. Sandra M. Hall-Ross is a 1986 graduate of Harvard University. She received her medical degree from Cornell University Medical College (currently Weill Cornell Medical College) in 1992 and completed her training in Internal Medicine at The New York Hospital [now NewYork-Presbyterian Hospital (Weill Cornell Campus)] in 1995. Dr. Hall-Ross worked at our Long Island City Community Practice from 1995 until 1998, when she moved to our offices at 505 East 70th street. Dr. Hall-Ross is fluent in medical Spanish. She has been active in the development of programs to promote the recruitment of minority medical students and physicians to Weill-Cornell. She is engaged in the practice of general internal medicine.