Providers
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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.
Dr. Karl Singer, MD
Medical Director
Dr. Karl L. Singer is a geriatrician affiliated with Exeter Hospital. He received his medical degree from Harvard Medical School and has been in practice for more than 20 years. Dr. Singer has been Rockingham County Rehabilitation & Nursing Center’s Medical Director since 1982. His focus is on the unique health needs of the elderly, including chronic diseases, nutritional problems, skin ailments, cognitive loss, memory impairment, adverse effects of medications, and immobility and balances issues.
Kristin Vaughan, DO
Dr. Vaughan grew up in Michigan and received her B.A. from University of Michigan, M.A. from Goddard College, and Doctor of Osteopathic Medicine from UNECOM. She has been part of the Rockingham County team for past 7 years. Dr. Vaughan enjoys gardening, travel, boating, pickleball and family time.
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.
Andy Weeks, MD
Dr. Weeks completed his Doctor of Medicine at the University of Washington Medical School. He is certified in Family Medicine and Geriatric Medicine. Currently, Dr. Weeks is a hospitalist and geriatrician at Core Physician Services in Exeter, New Hampshire. He has over 41 years of experience in the medical field and recently spent eight months in New Zealand staffing a geriatric inpatient service.
Mary Braun, MD
Dr. Braun 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. Her areas of clinical interest include palliative care, chronic disease management, complex medical patients, and hospice.
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