Hi Joyce,
If it were me still living in FL I would be going to the Mayo clinic in Jacksonville FL but that would be far for your parents unless someone helped them: I will include that in the information below:
http://www.mayoclinic.org/jacksonville/
Mayo Clinic College of Medicine Tanis J. Ferman, Ph.D. 4500 San Pablo Road Jacksonville FL 32224 (904) 953-0853
Mayo Clinic College of Medicine Jay Van Gerpen, MD 4500 San Pablo Road Jacksonville FL 32224 (904) 953-0853
North Broward Medical Center H Murray Todd, MD Memory Disorder Center, 201 East Sample Road Deerfield Beach FL 33064 (954) 786-7392
East Central Florida Memory Clinic 3661 S Babcock Street Melbourne FL 32901 (321) 768-9575 (321) 725-1998
St. Mary's Medical Center Memory Disorder Clinic Walter Martinez, MD 901 45th Street West Palm Beach FL 33407 (561) 844-6300
St. Mary's Medical Center Memory Disorder Clinic Carl Sadowsky, MD 901 45th Street West Palm Beach FL 33407 (561) 844-6300
North Broward Medical Center Todd Rosenzweig, MD Memory Disorder Center, 201 East Sample Road Deerfield Beach FL 33064 (954) 942-3991
North Broward Medical Center Thomas C. Hammond, MD, Director 201 East Sample Road Deerfield Beach FL 33064 (800) 825-2732
Benjamin Barnea, MD, PA, CIME 1801 North University Drive Coral Springs FL 33071 (954) 341-8100