Therafirst Medical Centers Therafirst Medical Centers has been a leader in research, conducting studies with multiple medications of different classes. Medical Director: Anthony LaMarca,M.D. Contact Information: Telephone: Fort Lauderdale (954) 564-4222 Miami (305) 545-0993 Palm Beach (561) 370-7477 National (800) 330-7284 FAX: (954) 564-4326 Webmaster E-Mail:  admin@therafirst.com