922 Waltham Street, Suite 205

Lexington, MA 02421


Meet The Staff


Emily - Dental Hygienist

Emily McCleary is a board certified, registered dental hygienist and has been with the practice since October 2011. She received her bachelor’s degree from Forsyth School of Dental Hygiene in May 2011 and completed her master's degree in dental hygiene in December 2018. Emily enjoys building relationships with patients of all ages and helping them work toward a healthier lifestyle. In addition to hygiene, Emily enjoys hiking, kayaking, yoga, and spending time with friends and family.


Olta -  Dental Hygienist

Olta is a board certified Dental Hygienist who joined our team, 2021 after relocating from CT. She received her Associate's Degree in 2018 from Fones School of Dental Hygiene at the University of Bridgeport. She has had a passion for dentistry since she was young. She comes to the practice with over a decade of experience in the dental field. Olta enjoys learning about new advancements in dentistry and working towards providing the best overall care for her patients. She has a passion for languages, she is fluent in Albanian, Italian, English and Spanish. She also enjoys being outdoors and cannot wait to adopt a fur child.


Mayada - Dental Hygienist

Mayada Massabni is a registered dental hygienist with over 20 years of experience in excellence and safety in helping patients achieve their oral health goals. She completed her certificate in healthcare science at Middlesex Community College in 1996. Where she received her Associates Degree in dental hygiene in 1999. Mayada is multilingual, fluent in both English and Arabic. Outside of work, Mayada loves to cook, bake, and try fancy chocolates. She also has a passion for traveling and most importantly spending time with family and friends.


Dona - Financial Coordinator (working remotely)

Dona R. Roberts, RDH is committed to Oral Health Preservation. Dona is dedicated to enhancing the quality of life for all people through promoting dental health education and reducing risk of oral disease-infection while increasing the health and wellness of the entire body.

Dona holds degrees, certificates and professional training as a Registered Dental Hygienist, Expanded Functions Dental Assistant, and Dental Office Management. Dona enjoys spending time with family and friends, especially her two children, volunteering in the community, exploring the world through travel, painting, dancing, walking in nature and she is learning to play the flute.


Kim - Schedule Coordinator/ Dental Assistant

Kim has been a licensed Dental Assistant since 2008. She was formally trained at the Bryman Institute in Brighton, where she earned her dental assisting certificate. Kim is also certified in CPR, Radiology, OSHA and HIPPA. She enjoys helping patients to understand how their oral and medical health are related. She loves working with patients of all ages, making sure they always feel comfortable during their dental experience. In Kim’s spare time she likes to go hiking, cooking and swimming. She has a child named JJ.


Jacke - Dental Assistant

Jacke has been a Certified dental assistant since 2018. She received her certificate at Careers in Dentistry, school of assisting in Augusta, Georgia. She is also certified in Radiology, CPR OSHA and HIPPA. Jacke enjoys learning new dental techniques so she can educate her patients and make sure they achieve a healthy mouth and beautiful smile. Outside of work she enjoys spending time with her family and friends. She loves to read and especially loves animals.

John Kiernan

John - Practice Manager

John Kiernan. John is Dr Nishimura’s husband and recently retired from his career as a Chemical Engineer dealing with Water Purification and Disinfection. He is a Graduate of Northeastern University and has a Master’s in Finance and Business Administration from Bentley University. His hobbies include fixing anything that breaks in the office gardening and golf. He is a great addition to our staff by handling improving systems.