25 North Main Street, Mansfield, MA 02048

(508) 339-8231

Dentist in Mansfield

Our Staff

Robert Sibilia D.M.D

A New England native, Dr. Robert Sibilia is a 1997 graduate of Tufts University School of Dental Medicine. For the past 14 years, Dr. Sibilia has continued the legacy of providing outstanding dental care to the Mansfield community from his father, who had served his neighbors oral health needs for decades. Dr. Sibilia is a member of the Massachusetts Dental Society and the American Dental Association. When not practicing dentistry, Dr. Sibilia enjoys all types of sports and is a self-proclaimed New England sports fanatic.

Debra McDougall - Hygienist

Debra is a graduate of Forsyth School of Dental Hygienists in Boston, MA. She has been a practicing Dental Hygienist for over 35 years, working with Dr. Sibilia for the past 10 years.

Debra has lived in Mansfield for over 30 years. She and her husband, Randy, have two adult sons and together run a local Youth Hockey Program for the past 16 years. Deb enjoys reading, knitting and her cats!

Cynthia Norris - Hygienist

Cynthia grew up in Queens, NY. She became a dental assistant in 1993 and later graduated from Farmingdale University with a degree in Dental Hygiene. She moved to MA in 2001 with her husband who is a Quincy native. She has been a hygienist for over 20 years and has been with Dr. Sibilia since 2004.

Cynthia lives in Easton with her husband, daughters & dog. Her family keeps her busy, but in her free time she enjoys reading, practicing yoga and spending time with friends.

Karen Mee - Office Manager

Karen received a Bachelor of Science degree in Education and Special Education from Lesley University in Cambridge, MA. After many years teaching and working in educational development, she was excited to switch careers and make the move to office management in her brother's (Dr. Robert Sibilia) dental practice. "I am so fortunate to be able to work with my brother Rob and sister Mary in a family practice that began over 50 years ago"!

Although she will always consider Mansfield her "home", Karen has lived in Brighton, MA with her husband, Dan, for over 31 years. They have 2 adult sons who both reside in Denver, CO. In her free time, she enjoys decorating, gardening and traveling to Colorado to visit her sons!

Mary Cuddy - Receptionist

Mary is a graduate of Forsyth School for Dental Hygienists where she received her Dental Hygiene certificate. She is also a graduate of Northeastern University where she received a Bachelor’s Degree in Health Science. She was employed full time as a Dental Hygienist by her father, Dr. Philip Sibilia for 15 years before taking time off to raise her three children, Molly, Mackenzie and Seamus. When the opportunity arose, she was happy to get back into the “family business” this time working with her brother, Dr. Robert Sibilia, and sharing the office management/receptionist position with her sister, Karen Mee. “It’s been great reconnecting with long-time patients and welcoming new patients!”

When not working, Mary enjoys the company of her adult children, friends and family….. And spending as much time as possible by the ocean!

Office Hours

Monday: 8:15am - 5:30pm
Tuesday: 8:15am - 5:30pm
Wednesday: 4:00pm - 7:00pm
Thursday: 8:15am - 5:30pm
Friday: 8:15am - 5:30pm
Saturday: 8:15am - 12:00pm
Sunday: Closed


Office Info

25 North Main Street
Mansfield, MA 02048
Phone: (508) 339-8231