Meet the David Brother, DMD Team

Randy Peterson RDH BPH, Registered Dental Hygienist

Lexington Dentist - David Brother, DMD Staff - Randy

Randy, a Massachusetts native has been practicing Dental Hygiene since 2013. Most recently he competed a bachelor degree program in Public Health at the University of Massachusetts Lowell and shortly after joined our team in the spring of 2017. Randy enjoys explaining and teaching everything there is to know about oral health/hygiene to his patients. When he is not doing that he enjoys his passion for cars, as well as spending time with his family on Lake Winnipesaukee barefoot waterskiing, fishing, boating and snowmobiling.

Colleen Koehle Registered Dental Assistant

Lexington Dentist - David Brother, DMD Staff - Randy

Colleen Koehler graduated from a dental assisting program at Lincoln Technical Institute in 2015. She then continued to begin her steps in the dental field at a practice in Arlington MA with a 4 month long externship gaining lots of valuable experience. She completed her Radiology Certification course at Tufts University, School of Dental Medicine. Along with a certificate through DANB certified in Infection Control. Colleen is in the process of taking courses at Middlesex Community College in hopes to get in the dental hygiene program. In Colleen’s free time she enjoys going to the gym, attending yoga and spin classes, along with hanging with friends and family.

“Having a small staff allows for the best communication between us and our patients in meeting their needs and desires,” says Dr. Brother.

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