1. Dr. Robert Langdon, MD 5 Durham Rd, Guilford, CT 06437 Coordinate: 41.29855,-72.68594 Phone: (203) 745-0340
2. Dr. Robert C Langdon, MD 5 Durham Rd, Guilford, CT 06437 Coordinate: 41.29855,-72.68594 Phone: (203) 453-8625