• Home
• Staff
• Office
• Services
• New Patients
• Contact Us
• Appointment Request
• Patient Education

Have a question?

Search through our library of dental topics, including articles, fun facts, celebrity interviews and more.

Your Dentist in Topsfield

Dr. McAllister graduated from Tufts University School of Dental Medicine in 1982. He attended the University of California, Santa Barbara, graduating with a B.A. in Zoology in 1978. Born in Port Washington, New York, his family moved to California where his two brothers still live. He considers himself a Californian although the Boston area has been his home for the last 39 years. Boxford has been home since 1994.

Dr. McAllister has been practicing in Topsfield since 1989 and has owned the practice since 2000. Twenty nine years has never flown by so fast. Throughout those years Peter has continued to educate himself through various study groups and continuing education courses. He has added CAD/CAM same-day crowns to augment his dental skills. He has studied with Dr. Frank Spears and Dr. Ray Bertolotti and other outstanding educators in the field of dentistry.

Peter is married to Maureen McAllister and lives in Boxford. The McAllister’s have two children, Katelyn & Kevin. Katelyn graduated from Middlesex College in 2014 with a degree in Dental Hygiene. She worked with Dr. McAllister for 3 years before buying a home on a 17-acre farm in Maine where she will continue to pursue her dental career while following her lifelong passion of operating her own horse farm. Dr. Kevin McAllister graduated from Utica College in New York where he is now a practicing Physical Therapist.

Outside of dentistry, Peter enjoys skiing, golf and travelling to distant lands. He also pitches for the nine-time champion Cowboys in the Boxford Men’s Softball League. Dr. McAllister is a member of the Topsfield, Boxford and Middleton Rotary Club. He highly recommends Rotary as a great way to give back to the community. Dr. McAllister and his team also support Windrush Farms through the Smiles For Life Foundation.

Melissa, Dental Hygienist

Melissa has been working in the dental field since 1986 and with Dr. McAllister since 2001. She began working as a Dental Assistant, and returned to school to become a dental hygienist. In 1992, she received the Clinical Excellence Award and graduated with Honors from Middlesex Community College. She has attended courses and continues to train to increase her level of care for her patients.

Melissa’s goal is to provide the best dental hygiene services in a relaxed, caring environment. Her goal is to educate and provide information so that patients can improve their oral health.  The continued level of team work that produces a high level of professional care makes the office a rewarding place to work.

Emily, Dental Hygienist

Emily is a 1998 honors graduate of the Forsyth School for Dental Hygienists in Boston, MA.  She has been with the practice for 10 years.  Emily is a member of the American Dental Hygienists Association and stays current with dental technology as well as oral and systemic health through continuing education.

June, Dental Hygienist

June is a graduate of Forsyth School for Dental Hygienists, and went on to attain her BS from Northeastern University, graduating with honors. In 2006, June earned her license to administer local anesthesia and is licensed to practice as a dental hygienist in both Massachusetts and New Hampshire.

She is a member of the American Dental Hygienists Association and the Massachusetts Dental Hygienists Association. Along with many of her former patients, June transitioned to Dr. McAllister's office in 2014. She proudly continues to strive to meet the numerous, varying needs of the patients that she treats and truly values the strong bond that she has formed with many of them throughout the years.

Yen, Dental Assistant

Yen has been our full time Dental Assistant since 2003.  She attended Northern Essex Community College where she received her certification in Dental Assisting and Radiology.  She is proficient and knowledgeable in the use of the E4D CAD/CAM crown milling machine. Yen has provided excellent hands-on training to new dental assistants entering the dentistry field. Her organizational skills in the office and chair side are exceptional.

Sonia, Dental Assistant

Sonia joined our team as a part-time dental assistant in 2014. In 2017 she increased her responsibilities to a full-time position. She brings 30 years of dental experience from the various offices she has been employed at. Sonia graduated from the Dental Assistant Program at Mt. Ida College in 1984. Her outgoing & friendly personality is contagious and she loves the one-on-one interaction with all of Dr. McAllister’s patients. When Sonia is not working with us, she can often be found volunteering her time at the local animal shelter where she fulfills her passion of caring for the dogs who are searching for a good home.

Heidi, Business Team

Heidi joined Dr. McAllister’s team in 2016 as the office manager. She received her Associate’s Degree as an Executive Administrative Assistant from North Shore Community College in 1992 while employed by Ipswich Savings Bank. She remained in the banking industry for a total of 15 years. In 2004, Heidi switched gears and immersed herself into the dental field. She brings over 10 years of experience as a dental office manager to our team. Heidi always looks to improve her skills and continues to build her dental knowledge & expertise through continued education and on-the-job training while providing support and encouragement to her team. She is proficient in dental insurance and billing and enjoys the patient interaction of scheduling appointments and helping patients feel comfortable while understanding their accounts and their dental needs.