Dr. Chalhoub joined CNS Healthcare in October of 2012. He was trained at St. Joseph's Medical School, Lebanon and completed an internal medicine residency at Roosevelt Hospital, New York, NY as well as Mammers Hospital in France and Marsa Hospital in Tunisia. He is Board Certified in Internal Medicine.

Previously, Dr. Chalhoub was the medical director at Atrium Nursing Home, attending physician with Lifecare and Heartland Jacksonville South and a hospitalist with Memorial Hospital and Specialty Hospital in Jacksonville. He has served as Medical Doctor of North Florida Hospital Association since 2001. He is board certified in Internal Medicine and has extensive experience with adult and geriatric patient populations in all areas of medicine.