Dr. Mazzeo has been a practicing dentist for 37 years - 14 years as a solo private practice general dentist in Naples, Florida; 10 years as a United States Navy Dental Corps Officer practicing as a staff periodontist, administrator and instructor; and 13 years as Dental Director for 2 different Community Health Centers in Florida. Dr. Mazzeo is currently the Vice-President and Chief Dental Officer with Family Health Centers of Southwest Florida and a Captain in the United States Navy Reserve.

Dr. Mazzeo received his Doctor of Dental Surgery degree from Wake Forest University. He also received a Certificate in Periodontics from the Navy Dental Center, Advanced Clinical Program in Norfolk, VA.