Meet our Doctors

Ross Bederman D.D.S

Dr. Bederman graduated from Brandeis University with a degree in Psychology and Economics. He than pursued his dental degree at New York University College of Dentistry and graduated in 1995. He completed a General Practice Residency at Lutheran Medical Center in Brooklyn,NY. Dr.Bederman opened Glen Cove Dental Services in Feburary 2004. He currently resides in Manhattan with his wife, of 21 years, and their daughter. His hobbies include traveling and photography.

Dr. Michael Pellegrino D.D.S

Dr.Pellegrino has been an associate dentist with Glen Cove Dental Services for over 8 years. He is a native Long Islander and enjoys spending free time with his wife and son.

Dr. Jessica Grinacoff D.D.S

Dr. Grinacoff graduated Summa Cum Laude from University at Buffalo in 2007 with a B.A. in Biological Sciences. She then went on to pursue a degree in dentistry at Stony Brook University School of Dental Medicine, earning her D.D.S. in 2011. Dr. Grinacoff completed a General Practice Residency in 2012 at Northport VAMC. She is a member of the American Dental Association, New York State Dental Association and Nassau County Dental Society. Dr. Grinacoff joined Glen Cove Dental Services, P.C. in November 2012 as an associate dentist. A native Long Islander, Dr. Grinacoff currently resides in Syosset with her husband and their dog, Daisy. In her spare time, she enjoys running, spending time with family and reading.

Dr. Valentina Fleece D.D.S

Dr.Fleece graduated from Stony Brook University Honors College in 2004 with a B.A. in Physical Anthropology and Archaeology. She than earned her dental degree at the University at Buffalo School of Dental Medicine in 2008. She completed a General Practice Residency at the Erie County Medical Center in Buffalo,NY. Dr.Fleece has been an assocate dentist with the practice since August 2012. She resides in

Glen Cove with her husband and their daughter and son. Dr.Fleece is a member of the American Dental Association, New York Dental Association and Nassau County Dental Society. She enjoys playing with her young children, sewing, cooking and paddleboarding with her husband.