Meet Our Staff


Robin – Office Manager

Robin is our extremely knowledgeable and expert office manager. In that role, she assures that our entire dental office operates in an effective and professional manner. Robin is an integral part of NGDC's success and is always available to discuss any questions you may have. Robin is a native of Nashua, New Hampshire and has served as our office manager for over 20 years.

Robin can be reached at



Karen – Hygienist

Karen is our highly skilled registered dental hygienist. She is a graduate of the University of Vermont class of 2002. Karen joined our practice in March of 2007. She loves to help patients with their individual dental needs through oral hygiene instruction, thorough yet gentle cleanings, fluoride treatments, oral cancer screenings and safe and accurate digital radiographs. Karen has a most pleasant personality and is both competent and knowledgeable. Furthermore, Karen is a lactation counselor and is available to help our tongue tie patients after revisions with their nursing. 

Karen and her husband Brad have two children - Jackson, who was born in 2013, and William, who was born in 2016.

Karen can be reached at

Paula – Dental Assistant

Paula is the hard-working and friendly dental assistant who works with Dr. Birnbaum to ensure that your visit for restorative and aesthetic dental treatment runs as smoothly and efficiently as possible. Her kind demeanor and informed answers to your questions regarding the nature of your treatment will educate you and put you at ease, and her flawless assisting skills will be readily evident during your appointment. Paula was personally trained by Dr. Birnbaum and has been assisting him for almost 30 years.

Paula can be reached at


Sam– Front Desk

Sam has been with NGDC since 2018 and has experience both in the front of the office as well as assisting. She loves getting to know our patients and understanding their needs so every visit is a positive one! 

Sam can be reached at

We know that an office is only as effective and as welcoming as the people who work in it, which is why we take pride in our friendly and well-trained team members! As a team, we are especially interested in making all our patients feel right at home! We put your needs first to achieve efficient and comprehensive treatment in a supportive and nurturing environment. We promise to speak candidly with you about possible treatments as well as any risks and associated costs of treatment, and how treatment can address your individual needs as a patient.

To experience the difference that only a well-trained, professional and courteous team can deliver, schedule your appointment with our office today!