Concord & Lexington Periodontics Meet Our Team

Pamela DeCosta: Practice Manager

Pamela DeCosta: Office Manager

Pam joined Concord Lexington Periodontics in April 2022. She has had an interest in the dental field since childhood, and obtained her Associates in Allied Health and Bachelors in Business Operations from SNHU.

Pam loves helping people, and her favorite part of working at Concord Lexington Periodontics is helping patients smile with confidence. 

She resides in Leominster, MA with her husband, family, and three dogs. Pam and her husband have a blended family of seven children, with seven grandchildren, and another on the way! In her free time, you can find Pam spending time with family and making pearl jewelry.


Michelle Carriere: Treatment Coordinator

Michelle Carriere: Treatment Coordinator

Michelle has been with us since December 2019. Originally  from Wilmington, she currently lives in New Hampshire. Michelle’s favorite part of her job is working patients and the team at Concord Lexington Periodontics. She enjoys that each person she works with is different. 

Michelle and her husband Jimmy enjoy the casino, snowmobiling, shopping, and spending time with their families. Family is the most important thing to Michelle. 


Lisa McCauley: Dental Hygienist

Lisa McCauley: Dental Hygienist

Lisa joined Concord-Lexington Periodontics in 1982. Originally from Acton, MA, Lisa obtained her Associate in Science & Certificate of Dental Hygiene from Northeastern University & Forsyth School for Dental Hygienists. She became interested in the dental field through good experiences at the dentist as a child.

Lisa says her favorite part of her job is “The good feeling of knowing that I am helping improve the oral health of our patients.” She likes to get to know her patients and share stories about their families together. 

Lisa lives in Acton with her husband Chris and their children Nicholas & Alexis. In her free time, Lisa loves cooking, running, gardening, and reading.


Ellie Colarusso, Surgical Dental Assistant

Ellie joined Concord, Lexington Periodontics in 2018. Ellie says, “I love working as a team to help patients save their teeth.” 

Originally from Medford, MA, Ellie currently lives in Nashua, NH. She loves spending time with her two children and two grandchildren. In her spare time, Ellie volunteers for a cat rescue called Kitty Angels. She has three cats of her own named Grayson, Belle, and Strawberry!