The brief descriptions below are designed to familiarize you with our staff's training, professional credentials and work experience.

William A Snell, DDS 

After completing his dental degree at New York University Dr. Snell completed a two year residency in Pediatric Dentistry at Tufts-New England Medical Center. He then pursued advanced training in Orthodontics at Boston University's Goldman School of Graduate Dentistry. He is Board Certified in both specialties. Dr. Snell is a Member of the American Dental Association, the Merrimack Valley District Dental Society and a regular Presiding Chair at the annual Yankee Dental Congress.

Erin Mulcahy 

Erin is a graduate of North Andover High School. Her experience as a nanny enabled her to develop a wonderful rapport with children. She is a certified Dental Assistant and a regular Volunteer at the Yankee Dental Congress. 

Marilyn Hamilton


Marilyn brings a wealth of information and experience to our business office. She handles all our front desk responsiblities from scheduling, to insurance to Flex accounts and individul payments plans.