Gallis, Christine MD

Experience the E Mortgage Management difference for yourself, and let us put our expertise to work for you! We offer superior customer service, quick response times, and a professional staff that can provide you with the tools and information to get you into your next home.

Dr. Buchanan specializes in preventative cardiology, nuclear cardiology, echocardiography, cardiomyopathies, and congestive heart failure.Certified by the American Board of Osteopathic Medicine, he has completed fellowships in echocardiography, stress echocardiography, transesophageal echocardiography, nuclear cardiology, and diagnostic cardiac catheterization.Dr. Buchanan earned his degree at Lake Erie College of Osteopathic Medicine in Erie, Pennsylvania, and completed his residency at West Penn Hospital, AHN. He gained specialized skills and experience during his cardiology fellowship at Deborah Heart and Lung Center, in Browns Mills, New Jersey.

Lisa Shingle, DNPLisa Shingle, DNP is a Family Nurse Practitioner, practicing at Greentree Medical Associates, since 2017. With a commitment to providing comprehensive primary care to patients ages 5+, Lisa focuses on providing comprehensive primary care focusing on preventative health, patient education, and ensuring that her patients receive personalized and compassionate care. She is known for her ability to build strong patient relationships and her dedication to improving health outcomes as part of the primary care team a Green Tree Medical associates. With a deep commitment to fostering long-term health and wellness, Lisa partners with her patients to navigate their healthcare journey, emphasizing the importance of preventative care and patient education. Whether managing chronic conditions, guiding lifestyle changes, or addressing acute health issues, Lisa is dedicated to empowering her patients to achieve their best health outcomes, while addressing their unique needs and concerns in an environment where patients of all ages can feel heard and valued. Lisa Shingle works with the entire Green Tree Medical associates primary care team and has expanded access hours for patients beginning at 7:00 a.m. to 6:00 p.m. Tuesdays, Thursdays and Fridays.