"Born and raised in Amsterdam, Holland, Dr. Robert J. Bos, who is fluent in English, Dutch and Spanish, spent several years in North and South America, before settling in New York City in 1990. Dr. Bos spent three years at Lenox Hill Hospital on Park Avenue and 77th St. in Internal Medicine Residency followed by a two-year fellowship in Pulmonary Diseases. He is currently Board Certified in Internal Medicine and Board Eligible in Pulmonary Diseases. Since the foundation of Robert Bos, MD, PC in 2009 the practice-model is based on the concept of "Concierge-Medicine". This means seeing a lesser number of patients allowing for more time and personalized attention. Included in the model are easy access to the Dr. via email or mobile phone as well as prompt follow-up when needed. Same day visits and house-calls are available."