Source: Orthodox Church in America SYOSSET, NY [OCA]  The Orthodox Health Plan [OHP] recently announced that, due to rising health costs, it has moved to a Health Reimbursement Arrangement [HRA].  Aetna continues to serve as the Preferred Provider Organization [PPO], while network and health care providers will remain the same. The Orthodox Health Plan is the official health plan for the clergy of the Orthodox Church in America, as well as the Greek Orthodox Archdiocese of America, the Antiochian Orthodox Christian Archdiocese of North America, the Diocese of the Armenian Church, the Serbian Orthodox Church, and the Russian Orthodox Church…