Care Dimensions HomeMD Team
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Mark Messenger, MDHomeMD Medical DirectorMark Messenger, MD, is the medical director of the Care Dimensions HomeMD primary care program, providing care to medically fragile patients in their home in select communities on the North Shore. Prior to joining Care Dimensions, Dr. Messenger had a lengthy career as a primary care/internal medicine physician. Throughout his career, he has provided home visits to patients wherever they call home. His practice has been dedicated exclusively to home-based primary care since 2007. Dr. Messenger is board certified in internal medicine and is a diplomat of the American Board of Internal Medicine. He is a graduate of the Sophie Davis Center for Biomedical Education at CCNY and Mount Sinai Medical School. He is a member of the medical staff at North Shore Medical Center and Lahey Beverly Hospital. He is dedicated to giving back to his community and is currently the president of Temple Shirat Hayam in Swampscott and a member of the Board of Directors of Lynn-based community food program, My Brother’s Table, where he has previously served as president three times. |
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Kristin Chouinard, MSN, AGNP-CHomeMD Nurse PractitionerKristin Chouinard, MSN, AGNP-C, is a nurse practitioner with the Care Dimensions HomeMD primary care program. She has been providing primary care to patients at home with Dr. Messenger since 2018. Previously, she worked as a wellness nurse for Partners HealthCare at Home and was a hospice admission liaison nurse for Care Dimensions (then known as Hospice of the North Shore and Greater Boston). She is board certified as an adult/gerontological nurse practitioner and has a master’s degree in nursing from Regis College and a bachelor’s degree in nursing from Salem State University. Additionally, she has advanced certification in hospice and palliative care nursing. |
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Alyssa Harris, MSN, AGPCNP-BCHomeMD Nurse PractitionerAlyssa Harris, MSN, AGPCNP-BC, is a nurse practitioner with the Care Dimensions HomeMD primary care program. Prior to joining HomeMD, she worked as a nurse practitioner in several skilled nursing and rehabilitation facilities on the North Shore. Before becoming an NP, she worked at Care Dimensions as a nurse at the Kaplan Family Hospice House in Danvers for six years. She is board certified as an adult/gerontology primary care nurse practitioner and holds a master’s degree in nursing from the University of Massachusetts – Lowell and a bachelor’s degree in nursing from Salem State University. |
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Megan Mistretta, APRN, FNP-CHomeMD Nurse PractitionerMegan Mistretta, APRN, FNP-C, is a nurse practitioner with the Care Dimensions HomeMD primary care program. Before joining Care Dimensions, she was a palliative care nurse practitioner and an RN case manager at MelroseWakefield Hospital and previously held various nursing positions in Providence, R.I.. She is board certified as a family nurse practitioner and has a master’s degree in nursing from the Massachusetts College of Pharmacy & Health Sciences, a bachelor’s degree in nursing from Rhode Island College and a bachelor’s degree from the University of New Hampshire. She is a member of the Massachusetts Coalition of Nurse Practitioners and the American Nurses Association. |
