Centennial Women's Group - Bluegrass OB/GYN provides comprehensive women's care to the Greater Hendersonville, Tennessee, community. As part of TriStar Medical Group's network of gynecologic care and obstetric care providers, we offer a wide range of women's services, ranging from preventive care to advanced surgical procedures.. To schedule an appointment with an OB/GYN, call us at (615) 826 ....