Dr. Dimaano was originally born in the Philippines. He immigrated to the United States to pursue the American dream. He received his medical degree from the University of the Philippines Medical College, completed his Internal Medicine Residency at SUNY Stony Brook and finished his Fellowship in Geriatrics at Winthrop University Hospital. He joined the GBMC Hospitalist Medicine Practice in 2007 and has been with the practice ever since. When is not admitting patients or doing rounds, he is enjoying the company of his family, going to interesting places and eating local food. He also loves Star Wars and superhero movies.

Hospitalists at GBMC attend to patients on hospital units and are not available for outpatient appointments.