Nassau Financial Federal Credit Union Categories Banks/Credit Unions 865 Merrick Avenue, Ste. 250N Westbury New York 11590 516-240-1250 5-516-240-1350 Visit Website Rep/Contact Info Debra Servinskas Stacy Williams Business Development Rep Send an Email 865 Merrick Avenue, Ste. 250N Westbury New York 11590 Share × Print Email Facebook Twitter LinkedIn Tell a Friend ×