Denis Siple135 Birch Hill Rd4.7Rating 4.794 reviewsGet a QuoteQuoteDenis Siple:135 Birch Hill Rd Locust Valley, NY 11560 US(516) 671-604424/7(516) 671-604424/7Email AgentEnglishView more...View less...I have represented Allstate since 1986 serving and protecting our community with Allstate’s products and services.