Nitesh Vachhani, M.D. Practices at the Following Locations. Richmond, TX. 1601 Main St, Ste 401, Richmond, TX 77469. (281) 342-9530. Request an appointment at this location. Sugar Land - SW FW, TX. 16605 SW Freeway, Ste 435, Sugar Land, TX 77479. (281) 342-9530. Request an appointment at this location..