Doctors and Staff

Meet the experienced and friendly dentists and staff who make Stony Hill Dental Care the leading provider of oral hygiene and personalized dental services in Bethel.

All of the staff at Stony Hill Dental Care make it their priority to treat you like family. Whether you need a simple cleaning or extensive dentistry we will be with you the whole way. We know that most patients are not the biggest fans of the dentist so we strive to make each visit as comfortable as possible.


Dr. Nicholas J Borrello DDS MAGD FDOCS

Dr. Borrello is a general dentist that puts a special emphasis on Sedation Dentistry. He has served Bethel and surrounding towns for over 40 years. Dr. Nick has many of his patients referred to him as he has spent tireless hours taking continuing education classes to ensure that his patients receive the most up to date care possible. He has many credentials behind his name, but what makes him unique is his affiliation with the Dental Organization for Oral Conscious Sedation. With the use of oral sedation, Dr. Nick has helped hundreds of patients get the treatment that they needed and would not have received otherwise. Whether a patient needs only a cleaning or full mouth restoration Dr. Borrello continues to provide the individualized care each patient needs to get through their visit. In his spare time Dr.Nick enjoys traveling with his wife Barbara. He has a special interest in following his heritage with frequent trips to Italy. As an avid fly fisherman, Dr. Borrello finds free time to relax in his waders in the closest river. He just recently began learning the art of fly tying!


Mercedes Serrato RDH

Mercedes has worked with Dr.Borrello for close to 20 years! She is a meticulous hygienist who never fails to make each patient leave with a great big smile after their dental cleanings. Mercedes is the very proud mother to one grown son. In her free time she enjoys reading cooking spending time with her family and SHOPPING LOTS of SHOPPING.


Diomary Abreu CDA

Diomary has been with Dr. Borrello for close to 13 years. She has a unique calmness about her that can put even the most anxious patients at ease. Diomary is the mother of two beautiful girls and one feisty four-legged Chihuahua! In her free time she enjoys long walks camping and spending time with her family and friends.


Wendy Carroll Office Manager

Wendy has been with Dr. Borrello for almost 9 years. She makes a habit out of making you feel like family the minute you come into the office. One phone call and you will feel as though you have been a long time friend. Wendy knows the ins and outs of the insurance world and will do her best to maximize your insurance with the least out of pocket cost. When she has free time she loves to travel, at home you’ll be sure to find her playing with her 3 little dogs or spoiling her kitties.