His areas of expertise include eyelid surgery, mommy makeover, and male tummy tuck. Dr. Riina is professionally affiliated with Syosset Hospital, Nassau University Medical Center (NUMC), and Good Samaritan Hospital. He is an in-network provider for POMCO, Blue Cross/Blue Shield, and Empire BlueCross BlueShield, as well as other insurance carriers. Before performing his residency at Staten Island University Hospital, Dr. Riina attended Tel Aviv University, Sackler Faculty of Medicine for medical school.