Doctor in Nassau County, NY

My husband has been suffering with CFIDS for over 20 years now. He was formerly a patient of Dr Mazlen who stopped providing help to get my husband's BP under control. His current doctor manages his BP but is not a believer in CFIDS and does not give him meds to manage the pain. He also suffers from depression and anxiety due to the illness. Does anyone know either a sympathetic doctor or psychiatrists in Nassau County - close to Levittown, NY, that can help my husband. Appreciate it. Thanks