Dr. Ann Riggs, DO – Direct Medical Care Employee – 9/1/22 September 2, 2022 by admin Dr. Ann Riggs, DO – Direct Medical Care Employee – 9/1/22 Once again, thank you to Dr. Riggs for the opportunity to photograph her new staff member, Alexis Sparks, MSN, APRN, FNP-C. We wish Alexis the best!