Low Country Rheumatology. Address. 2001 2nd Avenue. Suite 201. Summerville, SC 29486. Contact. P: 843-572-4840. F: 843-764-2726. Resources. Patient Portal. Patient Registration Packet. Online Bill Pay. Directions. Web Site. Visit Web Site. Low Country Rheumatology is a private medical practice specializing in diagnosing and managing ....