Home Locations Tri-State Obstetrics and Gynecology, Inc. – Bridgewater Tri-State Obstetrics and Gynecology, Inc. – Bridgewater Tri-State Obstetrics and Gynecology, Inc. – Bridgewater 195 Boundary Lane Beaver, PA 15009 Christopher Palombo, MD Patricia Vigder, DO Paula Youngdahl, MD Practice Information