Lebanon Internal Medicine Associates provides multiple services to care for your healthcare needs. Specializing in: internal medicine, nephrology, rheumatology, gastroenterology, geriatrics, hypertension, diabetes, and endocrinology. Our Primary Care specialists are: Tamara J. Adams, M.D.; Lisa Gehenio, C.R.N.P.; Anne B. Hayes, M.D.; Edwin M. Kase, M.D.; Kathleen M. Jesiolowski, C.R.N.P.; William E. Schaeffer Jr., M.D.; Amber N. Rizzo, C.R.N.P.; and Georgett Zaki M.D. For Rheumatology & Osteoporosis Department we have: Thomas V. Kantor, M.D.; Ernesto Gutierrez, M.D.; Francis J. Gallagher, M.D.; and David C. Trostle M.D. Our nephrologists are: Najin Lee, M.D.; Marcia G. Gray, C.R.N.P.; and Sergei L. Joffy, M.D. For Endocrinology Department we have: Ronnie A. Mohammed, M.D. And for our Gastroenterology Department we have: David P. Deysher, D.O.; Thaddeus R. Szydlowski, M.D.; Susan K. Shook, C.R.N.P.; and Nicholas A. Katzen, M.D.