About
Dr. Maryslenni Gil completed her medical degree at Pontificia Universidad Católica Madre y Maestra in Santiago, Dominican Republic. She then trained in Internal Medicine at Harlem Hospital Center, affiliated with Columbia University, where she earned the Neurology Award. After residency, she joined the Chronic Disease Management Program at New York Presbyterian Hospital, deepening her expertise in managing complex long-term conditions. Dr. Gil brings over five years of experience delivering Adult Comprehensive Primary Care at Federally Qualified Health Centers. She also served two terms as Secretary for the Dominican Medical Association in New York. She holds certifications in Basic Life Support and Advanced Cardiac Life Support. Her honors include recognition through the National Hispanic Youth Initiative Program in Science and Biomedical Research. She speaks English and Spanish fluently and currently serves as Chief Medical and Operating Officer at Sierra Vista Medical.
Education & Training
Medical School
Pontificia Universidad Católica Madre y Maestra, Santiago, Dominican Republic
Residency
Internal Medicine, Harlem Hospital Center (affiliated with Columbia University)
Additional Training
Chronic Disease Management Program, New York Presbyterian Hospital
Certifications
Languages
English, Spanish
Conditions Treated
Who is Dr. Gil right for?
Dr. Gil is an excellent fit for adults managing chronic conditions such as diabetes, hypertension, or heart disease. Her specialized training through the Chronic Disease Management Program at New York Presbyterian Hospital gives her a strong foundation for complex, ongoing care. Patients who prefer a physician with deep ties to the Latino community and fluency in Spanish will find her a natural match. Adults who want a primary care provider also involved in the strategic direction of their practice benefit from her dual role as clinician and Chief Medical Officer.
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Frequently Asked Questions
Dr. Gil focuses on chronic disease management, adult primary care, and preventive medicine. Her training at New York Presbyterian Hospital's Chronic Disease Management Program gave her concentrated expertise in long-term conditions like diabetes, hypertension, and cardiovascular disease.
Dr. Gil completed her Internal Medicine residency at Harlem Hospital Center, affiliated with Columbia University. During her training there, she earned the Neurology Award.
Dr. Gil holds certifications in Basic Life Support (BLS) and Advanced Cardiac Life Support (ACLS). She specializes in Internal Medicine and brings over five years of experience in adult comprehensive primary care.
Dr. Gil serves as the Chief Medical and Operating Officer at Sierra Vista Medical. She also practices as a primary care provider, caring for adult patients across the practice's DPC membership tiers.
Yes. Dr. Gil served two terms as Secretary for the Dominican Medical Association in New York. She also worked in the Chronic Disease Management Program at New York Presbyterian Hospital before joining Sierra Vista Medical.
Yes. Dr. Gil speaks both English and Spanish fluently. She regularly serves Spanish-speaking patients throughout Osceola County and the broader Central Florida area.
Dr. Gil earned the Neurology Award from Harlem Hospital during her residency training. She also received recognition through the National Hispanic Youth Initiative Program in Science and Biomedical Research.
Doctor profile last updated June 11, 2026