Dr. DeBellis is originally from Providence, Rhode Island. He went to Marquette University in Milwaukee, Wisconsin where he received his M.D. Dr. DeBellis completed his internship and Residency at Rhode Island Hospital, Brown University School of Medicine in Providence, Rhode Island. After completing his residency he completed a fellowship in Pulmonary Disease at Rhode Island Hospital, in Providence Rhode Island. Dr. DeBellis is professionally affiliated with: American Thoracic Society and Rhode Island Medical and Providence Medical Association.

He is a past Directory of the Pulmonary Laboratory of Rhode Island Hospital, as well as the recipient of the Christmas Fellowship awarded by the American Thoracic Society, the Haffenreffer Fellowship for a Physician in Training from Brown University and several research awards.

His particular areas of interest in his medical practice are diagnostics. Dr. DeBellis has been married for thirty plus years and has three children. In his spare time you might find Dr. DeBellis improving his knowledge in vocabulary derivations.