Dr. Janna Cohen-Lehman received her medical degree, D.O., from NYCOM in 2004.  She completed her Internal Medicine residency at North Shore University Hospital in Manhasset NY in 2007, where she served as Chief Resident in Internal Medicine from 2007 – 2008.  Dr. Cohen-Lehman remained at the North Shore Long Island Jewish Health System to pursue a fellowship in Endocrinology, Diabetes, and Metabolism.   Dr. Cohen-Lehman completed her fellowship training in 2010, and is Board Certified in Internal Medicine and Endocrinology, Diabetes and Metabolism.  Dr. Cohen-Lehman joined Rockland Endocrine and Diabetes Services in August 2012.  She is married with 2 children, and lives in New City.