Meet Our Newburyport Dentistry Team

JENNA-LEE MOTSIS
Office Manager

Jenna joined J. Peter St. Clair, DMD in October 2015 as a novice in the dental industry, seeking to pursue an exciting new challenge and to utilize her knowledge and experience to foster the success of the business and to continue to make a difference in the lives of others. Jenna graduated summa cum laude from Merrimack College in 2007, with a Bachelor’s Degree in Sociology and Human Services Administration. Jenna has always had a passion for helping others and she has more than ten years’ experience in the human services field. Jenna has worked both in mental health and senior care facilities. Most recently she managed a local assisted living facility and she has experience managing two senior home care businesses.

Jenna loves having the opportunity to learn every day, something new about this exciting field, and getting to know the patients is also such a joy for her. Jenna looks forward to working with both our Rowley and Newburyport teams and offering her skills and expertise to help more patients reach optimal dental health. Jenna lives in Amesbury, MA with her husband Nick, a local realtor, and their beautiful daughter Aria. Jenna and her family love living in such a beautiful area and take advantage of everything New England has to offer as they  love to go to the beach, visit local farms and playgrounds, pond skate and spend time with family and friends.

Erin Coogan
Scheduling & Financial Coordinator

Erin’s career began in the medical field, where she worked for several years, and upon graduating in 2013 with a business degree, she made the transition to the dental industry. Erin joined the Dental Partners of Newburyport Team in 2019, with experience as a Dental Office Manager, where she assisted patients with treatment planning, insurance billing, and financial coordination. Erin loves the challenge of scheduling patients and making sure our day runs smoothly. Erin’s overall goal is to help create a comfortable, stress-free and rewarding dental experience, every time our patients visit the office. In her downtime, Erin is an assistant coach at a competitive cheer gym. When she’s not in the gym or traveling with the team, Erin can be found on the lake with her husband and two beautiful daughters.

BRENDA HARDY
Hygienist

Brenda has worked for Dental Partners of Newburyport since its inception in 2008 as she was an existing member of Dr. McGarr’s team when Dr. St. Clair and Dr. Beliveau bought the practice. Brenda graduated from New Hampshire Technical Institute in 1988 with a degree in Dental Hygiene and she returned to school in 2012 to earn her certification in local anesthesia from Middlesex Community College. As a part of our team, Brenda helps to inform and educate patients about their dental health and more particularly, how their dental health relates to their overall health. Brenda loves Newburyport and she has seen most of her patients for many years, some of whom have followed her from other practices. Brenda lives in Byfield with her fiancé Rick and her two boys.

JULIE OSTRANDER
Hygienist

Julie began her dental career as a Certified Dental Assistant working in a multi-specialty practice. In 1996, she went back to school and earned her Associate’s degree in Dental Hygiene from Middlesex Community College. Since then, Julie has worked mostly in general dentistry, joining Dental Partners of Newburyport in October 2010. Julie also spent two years as an adjunct faculty member at Massachusetts College of Pharmacy’s Dental Hygiene program. Julie lives on Plum Island with her husband Steve and their two children Abby and Anthony.

JEANNIE KELLEHER
Dental Assistant

Jeannie is a certified Dental Assistant and a 1998 graduate of NECC with additional education at Salem State University. Jeannie worked with the distinguished Dr. McGarr for 18 years prior to the acquisition of his practice by Dental Partners of Newburyport in 2008. Since the acquisition, Jeannie has attended many continuing education courses and has worked alongside Dr. St. Clair and Dr. Beliveau learning the latest dental techniques. Jeannie’s passion for the dentistry field is consistently shared with her patients. Every patient that takes a seat in the dentist’s chair with Jeannie is treated as family. Jeannie is married to Gary and has two beautiful daughters, Kirsten and Shannon. Jeannie’s family is active in the community of Amesbury.