Providers
Learn more about our physician partners
Physician Services
Physician involvement is essential in delivering quality care in a nursing home or short-term rehabilitation center. Our team of providers are available for nursing home and rehabilitation residents 5 days a week to support their overall health and wellbeing. Our physicians lead the clinical decision-making for residents under their care by providing a high level of knowledge, skill, and experience. By overseeing the direction of care, our on-site physicians aim to improve health outcomes and reduce rehospitalizations.
Lauren DeMaris, DO Medical Director
Lauren DeMaris is a new provider with Vantage who will be providing PCP services to our residents. She is originally from North Shore MA and now resides in Southern NH with her husband and two daughters. She graduated from University of New England College of Osteopathic Medicine in Maine and completed her training at Berkshire Medical Center in Western MA. She worked as a hospitalist in NH before changing to her new role as a PCP at our facility. In her spare time, she enjoys spending time with her family.
Heidi Crusberg, MD
After graduating from Vanderbilt University, Dr. Crusberg 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.
Ruth James, MD
Dr. James completed her Doctor of Medicine at the University of Maryland, School of Medicine in Baltimore, MD and a Master of Public Health from Johns Hopkins Bloomberg School of Public Health before completing her Family Medicine Residency at Franklin Square Hospital in Baltimore. She moved to New Hampshire in 2012 and has been practicing medicine with federally qualified healthcare centers, currently with Lamprey Health Care. Dr. James has also worked in urgent care, correctional medicine, and served as a clinical practice advisor at the University of New Hampshire Institute for Health Policy and Practice. In clinical practice, Dr. James enjoys strategizing with others on what’s important to them and building empowering relationships with patients and other care team members. Dr. James speaks Spanish due to serving as a Peace Corps volunteer in Nicaragua. Outside of the office, you can often find her spending time in the woods with dogs.
Katrin Bergeron, MD
Dr. Bergeron got her BA in Human Biology from Brown University. After working in research for a few years, she went on to complete her MD in the combined Dartmouth-Brown program. She completed her family practice residency at Maine Medical Center in Portland Maine. She has been working at Lamprey Health Care part time for the past 18+ years practicing family medicine while raising her six children who range in age from 23 to 4.