Lionel Gatien and Associates is an internal medicine practice. We offer caring compassionate healthcare to patients age 18 and up. Get to know us. 2 Locations 1689 Eagle Harbor Parkway E. Ste A Fleming Island, FL 32003 P - 904-269-1366 F - 904-264-9750 18410 Old St. Augustine Rd. Ste 207 Jacksonville, FL 32258 P - 904-260-4111 F - 904-264-9750 ....