Our Doctors

Dr. George Diacoumakos was born and raised in Bay Ridge, Brooklyn and graduated from Stuyvesant High School. He completed his undergraduate career at New York University, where he obtained a Bachelor of Arts degree with a dual major in Biology and Classics. Dr. Diacoumakos continued his post-graduate work at NYU and received his Doctor of Dental Surgery degree from New York University College of Dentistry. Following graduation, he spent 3 years practicing with Dr. Bennett Fidlow in Staten Island, New York. Dr. Diacoumakos then co-established two practices: 5th Avenue Dental Associates with Dr. Glen Cosman and Family Health Dental with Dr. Glen Cosman and Dr. Steven Johnson.

Dr. Glen Cosman earned his Bachelor of Science degree in Mathematics and Biology from the University of New York at Albany and completed his Doctorate of Dental Surgery at New York University College of Dentistry. Soon after his graduation, he co-established 5th Avenue Dental Associates and its sister office, Family Health Dental PLLC, located in Staten Island, New York. Both offices employ over 30 dentists and specialists, dental hygienists, assistants and administrators. Dr. Cosman was granted his post-graduate certificate in Orofacial Pain and Temporomandibular Disease (TMJ) from the University of Medicine and Dentistry of New Jersey.

Michael Plotno, D.M.D., grew up in the Bronx, NY where he gained admission to the prestigious Bronx High School of Science. He remained in New York to attend the City University of New York earning a Bachelor of Science degree. in Biology graduating with honors. Dr. Plotno went on to attend the University of Pennsylvania School of Dental Medicine graduating at the top of his class.