Marialina Martell-Gravie is an Internal Medicine doctor in Miami, Florida. Dr. Martell-Gravie has been practicing medicine for over 16 years is highly rated in 1 condition, according to our data. Her top areas of expertise are End-Stage Renal Disease (ESRD), Atypical Pneumonia, Hospital-Acquired Pneumonia, Pacemaker Implantation, and Endoscopy.