Gastroenterology Consultants,SC Staff Members To meet our Support Staff, click here. Rao V. Movva, M.D. Linda Tong, M.D. Mohammad Yaseen (Pediatric),M.D. Ahmad W. Cheema, M.D. Michael A. Cassaday, D.O. Poonputt Chotiprasidhi, M.D. Kishore Alapati, M.D. Ralph Saintfort, M.D. Sheila Barngrover, A.R.N.P.-C. Lin Stephens, A.R.N.P.-C. Shannon Crowley, P.A. Cindy Treharne, P.A. Heather Hunemuller, A.R.N.P.. Peter J. Fecht, CRNA Susan K. Gallagher, CRNA Larry Brown, CRNA