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Helping create long, healthy lives... one Confident, Beautiful smile at a time.

Meet the Doctor

Dr. John R. Herrin, DDS, MS

Dr. John R. Herrin, DDS, MS

A New Hampshire native, Dr. Herrin is a 1974 graduate of the US Military Academy at West Point. He earned his Doctor of Dental Surgery degree and completed his periodontal residency at the University of Iowa. Dr. Herrin is board certified as a Diplomate of the American Board of Periodontology.

Dr. Herrin has been practicing in Bedford since 1986. He is a member of the Manchester and New Hampshire Dental societies, the American Dental Association and the American Academy of Periodontology. He has received several periodontal achievement awards; has published scientific papers in national and local journals; is active in continuing education, and lectures frequently.

Dr. Herrin and his wife, Linda, live in Amherst, NH. He has two grown sons. In addition to spending time with his family, he enjoys skiing, canoeing, fishing and other outdoor activities. Dr. Herrin retired after 31 years of service in the Army and New Hampshire National Guard.


Meet the Team

Our team is carefully chosen to ensure that their skill and dedication to the periodontal care of our patients is of the highest standards. Because our patient's health and well being are of utmost importance, our staff regularly participates in continuing education. Our team takes great pride in facilitating the process for each individual as they work to achieve and sustain dental and overall health.

JoeAnn Balsamo

JoeAnn Balsamo

JoeAnn has been employed by Dr. Herrin since 1986 as his financial officer. She has an A.S. in Business Management from Hesser college.

JoeAnn resides in New Hampshire with her husband Joe and their two sons. She loves kickboxing, power walking, and keeps very busy with her son's sports schedules.


Tammy Laventure


Tammy has been in the dental field for over 20 years and loves interacting with the patients, making them laugh and loving their smiles. Tammy keeps busy watching her son play hockey in the winter and beaching in the summer!! She loves being around people so you will often see her volunteering at her son’s school. But... her real passions are shopping and dining out!!!


Linda Herrin

Linda Herrin

Linda loves to smile and nothing makes her happier than when people smile back at her. She doesn't know a stranger and can be seen helping behind the scenes at our front desk.

Linda is married to John and is a "Parrothead" at heart. Grateful for an amazing family and friends she also enjoys traveling, walking and fishing.


Stefani Kayser, RDH

Stefani Kayser, RDH

Stefani has worked at NH Center for Periodontics since she graduated from the Dental Hygiene program at NH Technical Institute in 1999. She is committed to continued learning and a high standard of care.

Stefani resides in Merrimack, NH, is married, and is the proud mother of one child. She enjoys reading, canoeing, needlepoint, and spending time with her family.


Melissa Weinberg, RDH

Melissa Weinberg, RDH

Melissa has been a part of our dental team since 2008. She is a graduate of the New Hampshire Technical Institute Dental Assisting and Dental Hygiene programs with an A.S. in Health Science. She is a hygienist, surgical assistant and patient facilitator who enjoys helping patients achieve there dental health goals, while providing the highest standard of care. Melissa enjoys spending time with her husband, Shane and the fur babies. She also enjoys traveling, the outdoors and spending time with family and friends.


Heather Meyers, RDH, BS

Heather Meyers

Heather joined Dr. Herrin's dental team in July 2016. She is a graduate from NHTI and also Granite State college. She has earned her dental assisting certificate, associates in health science and associates in dental hygiene. In 2010, she earned her BS in applied technology with a concentration in education and training.

Heather is committed to the quality of care, for all of her patients. She enjoys helping them reach their dental goals in order to help them with their overall health.

Heather is married, has two daughters and many pets! She enjoys spending time with family and friends. The ocean is her favorite place and she enjoys playing with her children, looking for shells and scuba diving. She also enjoys skiing, camping and traveling.


Michelle Blake

Michelle Blake

Michelle is a relatively new member to the team and has been a Dental Assistant for over eight years. What she loves about the dental field is caring for patients, getting to know them over the course of their appointments, and helping them achieve their dental health goals.

In her free time Michelle enjoys being active with her daughter. They enjoy skiing, hiking, surfing and relaxing on the beach.

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NH Center for Periodontics is a proud member of:

Pankey Institute
American Dental Association
American Academy of Periodontology
American Board of Periodontology
Chao Pinhole® Surgical Technique