Rossi, Mario Brando, M.D. on December 7, 2013 of Stony Brook, Long Island; on the eve of the Feast of the Immaculate Conception. So dearly beloved husband of Virginia (deceased). Adored father of Stephen, Cristina (Brian O'Keefe), and Rick (Joann). Cherished grandfather of Jane O'Keefe, Leah and Abigail Rossi. Beloved brother of Deny (deceased) and Piero. Treasured uncle to nieces (Barbara and Cathy), and nephew (Brian); to cousins and relatives on both sides of the Atlantic. Dedicated and esteemed physician. Loving, faith-filled, wise and generous: Mario was a great man, beloved by all. He will be so deeply missed. Friends may call at Casimir Funeral Home, 4839 Nesconset Hwy., Port Jefferson Station, visiting Thursday, 2-4 and 7-9 p.m. Mass of Christian Burial, Friday, 10:00 a.m. at St. James Roman Catholic Church, 429 Route 25A, Setauket NY. Interment to follow in the St. James RC Churchyard Cemetery. In lieu of flowers, donations may be made to American Autoimmune Related Diseases Association at www.aarda.org