Dr. Aaron Klein is board certified in Internal Medicine. He has been practicing general Internal Medicine in Boca Raton for the last six years. He received his undergraduate degree from Yeshiva University. He attended medical school at Nova Southeastern University College of Osteopathic Medicine. He did a transitional internship at Maimonides Medical Center in Brooklyn, NY and did his Internal Medicine residency at UMDNJ-Robert Wood Johnson University Hospital in New Brunswick, NJ. He is an associate clinical professor at Nova Southeastern University College of Osteopathic Medicine. He serves as Vice Chief of the Department of Internal Medicine at Boca Raton Regional Hospital. His medical interests include Geriatric medicine, preventative medicine and Cardiology.