Ali W. Islam, M.D., joined Columbia Health in July of 2013. He is a physician in Medical Services' Morningside Practice Group. Ali is an experienced clinician, having spent his career practicing as a family physician in Westchester County prior to joining Columbia Health.
Dr. Rosagna Rubiano, DNP joined Columbia Health in April 2013 as the Associate Director for Patient Services at Medical Services. Prior to joining Columbia Health, Rosagna served as the Family Nurse Practitioner in the Ambulatory Internal Medicine Practice at New York Presbyterian Hospital. She is an experienced family nurse practitioner trained at Columbia University School of Nursing.
D.N.P, Pace University
F.N.P, Columbia University
M.B.A, New York University Stern School of Business
Certifications and Licensure:
ANCC, Family Nurse Practitioner
Family Nurse Practitioner, New York Presbyterian Hospital
Registered Nurse, New York Presbyterian Hospital
Antwi, F., Fazylova, N., Garcon, M., Lopez, L., Rubiano, R., Slyer, J. (2012). The effectiveness of web-based programs on the reduction of childhood obesity in school-aged children: A systematic review. Joanna Briggs Institute.
Dr. Gregoriy Grenader officially joined Columbia Health in June 2012. Gregoriy earned his B.A. in Psychology at CUNY-Brooklyn College, graduating with honors. He became a certified emergency medical technician and worked as an EMT before earning his Doctor of Osteopathic Medicine degree from the New York College of Osteopathic Medicine. Dr. Grenader completed his post-graduate residency training in Family Practice at North Shore/Long Island Jewish Plainview Hospital in Long Island, NY.