Nassau Street DentalCharles Hashim, DDS is a graduate of Columbia University School of Dental andOral Surgery class of 1991, and completed his General Practice Residency at the world renown Mt. Sinai University School of Medicine. Dr. Hashim started this practice in 1996 and has been a leader in quality dental care in the downtown area since then. He started with only 3 dental chairs and 1 hygienist and has grown tremendously to a multi-level office with 12 operatories and almost 30 team members. Dr. Hashim is also a supporter of many local charities and extends his generosity to the community on a personal level, as well.