Our Newmarket primary care providers are able to care for your whole family.
John Anderson, MD
Dr. Anderson joined Lamprey Health Care in 2020 as a board certified pediatrician. He completed his Bachelor of Science and his Doctor of Medicine at West Virginia University in Morgantown, West Virginia. He takes an enthusiastic and caring approach to every one of his pediatric patients. Dr. Anderson will be seeing patients at our Newmarket and Nashua Center.
OUTSIDE OF THE OFFICE: You can often find him enjoying the outdoors; from hiking and camping to sailing the waters. He also has a love for vintage Volkswagens.
Katrin Bergeron, MD
Dr. Bergeron joined Lamprey Health Care in 2007 as a Board Certified Family Physician. She is a graduate of Brown Medical School and completed her Family Medicine residency at Maine Medical Center in Portland, Maine. Her areas of clinical interest included obstetrics and pediatrics. Dr. Bergeron is Board Certified in Integrative and Holistic Medicine and is also a Medication Assisted Treatment (MAT) prescriber. “I enjoy helping patients make positive changes to lead healthier lives.” Dr. Bergeron is interested in how emotional and spiritual health impacts our physical well being.
IN MY FREE TIME: “You can find me raising my four children or running with my husband.”
Mary Braun, MD
Internal Medicine Physician
Dr. Braun joined Lamprey Health Care in 2017 as a Board Certified Internal Medicine doctor. She also has a specialty level qualification in Hospice and Palliative Medicine. She received her degree from the University of Minnesota and completed her residency at Hennepin County Medical Center in Minneapolis, MN. “I love getting to know my patients as people and helping them make decisions that are right for them based on their values and preferences in the context of their families and physical health.” Her areas of clinical interest include palliative care, chronic disease management, complex medical patients, and hospice. Dr. Braun also sees patients at our Raymond Center.
IN MY FREE TIME: “I enjoy hiking and cross country skiing as well as being with my family, including my dog. I am interested in philosophy and have written on Stoicism and Mindfulness. I have also spoken publicly on aspects of palliative care, as well as what I’ve learned about being a doctor from being a patient.”
Heidi Crusberg, MD
Dr. Crusberg joined Lamprey Health Care in 1998 as a Board Certified Family Physician. After graduating from Vanderbilt University, she attended The Johns Hopkins School of Medicine, where she received her M.D. She completed her family practice residency at The University of Colorado Health Sciences in Lafayette, CO. Dr. Crusberg’s areas of clinical interest include supporting and educating patients on healthy lifestyle choices and chronic disease management. Dr. Crusberg also speaks Spanish.
Cora Donahue, MS, APRN
Family Nurse Practitioner
Mrs. Donahue joined Lamprey Health Care in 2014 as a Family Nurse Practitioner, after completing an M.S. in Nursing from the University of New Hampshire and a B.S. in Nursing from the University of Southern Maine. Mrs. Donahue has a passion for getting kids moving. Her clinical area of interest is childhood obesity, and she is a strong advocate for healthy eating and exercise. “I love helping patients meet their health goals! Preventative practice helps patients feel great and live longer, healthier lives.” In her free time, she is an avid runner and proud wife and mother of two active children.
DID YOU KNOW? Mrs. Donahue was inducted into the Hall of Fame for soccer at the University of Southern Maine.
Susan Nichols, PA-C, CAQ Psychiatry
Ms. Nichols joined Lamprey Health Care in 2006 as a Physician Assistant. She received her Bachelor in Public Health from the University of Massachusetts, and her Physician Assistant Certificate from Northeastern University in Boston, MA. Ms. Nichols is proficient in Spanish, and her areas of clinical interest are pediatrics, diabetes, and women’s health. She is also a Medication Assisted Treatment (MAT) prescriber. “I enjoy empowering my patients and teaching them how to use physical activity as a means of longevity.”
IN MY FREE TIME: “You can find me biking, skiing, or enjoying the company of my two amazing daughters.”
Boyd Tamanaha, MD
Dr. Tamanaha joined Lamprey Health Care in 2022 as a Family Physician. He received his medical degree from Ross University School of Medicine in 2016. He completed his residency at the University of Wyoming in Casper, WY. Most recently, his Family Medicine Obstetrics Fellowship was at Creighton University in Omaha, NE.
Dr. Tamanaha’s areas of interest are full spectrum Family medicine. “I love seeing patients of all ages with varying degrees of complexity. Easily the best part of family medicine and my job is the opportunity to meet some amazing people. In choosing to complete an obstetrics fellowship, my hope is that I get to share in some of life’s most exciting milestones and build relationships that grow with time. And being of service to these individuals is the whole reason why I chose this profession.”
IN MY FREE TIME:“I am a proud husband and father to four children. Honestly, the majority of my free time goes to spending time with my family. However, whenever I have time to myself, I enjoy all sports (watching, but mostly playing), especially soccer. I also enjoy reading, eating just about everything, and playing strategic board games.”
Saira Tekelenburg, MD
Dr. Tekelenburg joined Lamprey Health Care in 2019 as a Family Physician. She received her medical degree from the University of Toledo College of Medicine and completed a family practice residency at Northern Light Eastern Maine Medical Center in Bangor, ME. Dr. Tekelenburg’s areas of interest include obstetrics, women’s health, preventive care, and office-based procedures. “I love getting to know my patients and caring for their entire family. I’m a strong believer in meeting people where they are, and taking small steps towards healthier, happier lives.” Dr. Tekelenburg is a Medication Assisted Treatment (MAT) provider and is accepting new patients at our Newmarket Center.
WHAT I LOVE: “I love being outside, whether it’s hiking, skiing, or walking with my dog. I also enjoy curling up with a good book and spending time with friends. I’m currently trying to learn how to watercolor (it’s a work in progress).”