Slide 3: Proud to Serve the Lowcountry, Our OB/GYN practice is located in Walterboro, S.C. and serves patients from all over the Charleston and Lowcountry area., slide, 3 of 6 Slide 4: Pay Your Bill Online, At Walterboro Obstetrics & Gynecology, we offer secure online bill pay for your convenience., slide, 4 of 6.