Nesconset Office - 631.360.7337
Massapequa Park Office - 516.798.1111
West Islip Office - 631.661.7337


Meet our Doctors

Marc Adelberg, DDS

Dr. Marc Adelberg has been delivering outstanding pediatric dentistry since 1998. He received his undergraduate education from the University of Albany, majoring in psychology, and his dental education from the University of Buffalo. He completed a two-year residency in pediatric dentistry at Montefiore Medical Center, the hospital for the Albert Einstein College of Medicine, graduating in 1998. He is a board certified pediatric dentist.

He often lectures to residents at Montefiore Medical Center as well as mommy-and-me groups, pre-schools, nursery schools and kindergarten classes. Dr. Adelberg is a member of many professional organizations, including the American Academy of Pediatric Dentistry. He performs in many school shows in the area, introducing the fun of dentistry to many 3- to 6-year-olds.

Dr. Adelberg was raised in Long Island and maintains a home and family there. He practices both on the South and North Shores of Long Island in Massapequa Park, Nesconset and West Islip. He and his staff strive to bring you the most comprehensive pediatric dental treatment available.


Ericka Montalvan, DDS

Dr. Ericka Montalvan, a pediatric dentist since 2005, has been practicing dentistry since 2000 after graduating from the University of Florida College of Dentistry. She received an undergraduate degree from the University of Miami, majoring in biochemistry and minoring in chemistry. After dental school, she continued a one-year general practice residency at a VA Medical Center in Florida. Two years after practicing general dentistry, her heart was set on pediatric dentistry, and she went to New Jersey to complete a two-year residency at UMDNJ Dental School. She is a board certified pediatric dentist.

Dr. Ericka, while practicing in our three Long Island locations, also volunteers in the community and is involved in dental missionary trips around the world. She is an active member of many dental associations such as the American Dental Association, the American Academy of Pediatric Dentistry and the NYS Dental Association.

She was raised in sunny Miami, Florida and now lives in New York with her husband, daughter and son. Dr. Ericka is fluent in Spanish and Sign Language. She strives to provide exceptional care for your children.


Marc Bennet, DMD MS

Dr. Marc Bennet grew up in Manalapan, NJ and is a graduate of Brandeis University in Waltham MA. At Brandeis University he completed a degree in biology and and a minor in health policy. He received his dental degree from the the University of Medicine and Dentistry of NJ and stayed at the University Hospital for a two year specialty training in Pediatric Dentistry. While completing his residency he also obtained a master of science in dentistry. He is a board certified pediatric dentist.

Dr. Bennet is specialized in the care of infants, children, teens and children with special needs. Dr. Bennet is an active member of many dental organizations and attends many continuing education courses. In his free time Dr. Bennet enjoys spending time with his family and friends. He loves to travel and is scuba certified. Dr. Bennet lives in Old Bethpage Long Island with his wife Debra and their two busy boys.  Dr. Bennet strives to treat every child in an individualized way with compassion and a sense of humor.


Jeanine Pistilli, DDS

Dr. Jeanine Pistilli completed her undergraduate education at Fordham University with a major in chemistry and a minor in economics. She went on to receive her dental degree from SUNY Stony Brook in 2004. Following her dental education, Dr. Jeanine completed two years of a general practice residency, holding the position of Chief Resident. She then completed a two-year pediatric dental residency at Staten Island University Hospital. She is a board certified pediatric dentist and an active member of the American Dental Association as well as the American Academy of Pediatric Dentistry.

Dr. Jeanine resides in Long Island with her husband and two beautiful children. Her goal is to provide quality dental treatment along with a positive dental experience.


Adam Postel, DMD

Dr. Adam Postel grew up in New Jersey and graduated from The Pennsylvania State University. He went on to receive his dental degree from the University of Medicine and Dentistry of New Jersey. He then pursued a specialty in Pediatric Dentistry at Montefiore Medical Center/Albert Einstein College of Medicine in the Bronx. There, he was selected by his colleagues and attending doctors as Chief Resident. Dr. Postel is an active member of the American Academy of Pediatric Dentistry. He is a board certified pediatric dentist.

Dr. Postel is excited to join the team at Adelberg-Montalvan Pediatric Dentistry and continue to keep children smiling with his compassion and sense of humor. When not practicing dentistry Dr. Postel can be found exploring museums and restaurants in New York City, rooting on NY sports teams, traveling and spending time with his friends and family. He resides on Long Island with his wife Amanda.


Jonathan Schecter, DDS - Massapequa Park Office

Dr. Jonathan Schecter received his Doctor of Dental Surgery degree from New York University College of Dentistry. Following a General Practice residency at New York University, Dr. Schecter participated in a two-year orthognathic surgical fellowship at Lenox Hill Hospital in Manhattan, where he was published for assisting with the creation of cutting-edge treatment techniques for children with craniofacial deformities. He then went on to earn his postgraduate degree in orthodontics from Stony Brook University. Dr. Schecter is an active member of the American Dental Association, New York State Dental Association and the American Association of Orthodontists. He is also a Diplomate of the American Board of Orthodontics. When not creating beautiful smiles for people, Dr. Schecter loves spending time with his wife, Jill, and his two little girls: Mia and Ava.


Jenny Abraham, DDS - Nesconset Office

Dr. Jenny is Board Certified by the American Board of Orthodontics and practices in our Nesconset office. She has been delivering outstanding orthodontic care in West Islip for more than 10 years. Dr. Jenny graduated from SUNY at Stony Brook Dental School, where she also completed her 3 year residency in orthodontics. She has been Clinical Assistant Professor at SUNY at Stony Brook's orthodontic program. She is a member of: the Dental Staff of Good Samaritan Hospital, American Dental Association, New York State Dental Association, the American Association of Orthodontists and the Northeastern Society of Orthodontists. She is proficient in treating both children and adults with braces, Invisalign and Invisalign Teen. Dr. Jenny especially loves working with children and has two of her own, Isabella and Luke Surrusco.

In her free time, she is a Girl Scout leader for her daughter's Daisy troop. She loves to read, swim and spend time with her family. Dr. Jenny resides in St. James with her family.


Sabrina Cheng, DDS

Dr. Sabrina Cheng was born and raised on Long Island, and graduated from Barnard College with a degree in Neuroscience and Behavior. She then pursued and enjoyed a career in high school science education, completing her master's degree while teaching Biology and Chemistry in Manhattan. Having never forgotten her passion for the medical field and art, she changed careers to pursue dentistry at the University at Buffalo School of Dental Medicine. Dr. Sabrina then completed her one year general practice residency at Winthrop University Hospital, and particularly enjoyed working with kids and adolescents. She is a member of the Academy of General Dentistry, American Dental Association, NYS Dental Association, Nassau County Dental Society, and the American Academy of Pediatric Dentistry.

Dr. Sabrina currently lives and practices in New York as a general dentist, and looks forward to joining the team to provide excellent care at Adelberg and Montalvan!