Randall Medical Building 1710 N. Randall Road, Suite 200 Elgin, IL 60123 847/214-5740 >View Map/Directions Family Practice Joseph Chung, M.D. Shital Tanna, M.D. Laura DeMarco-Paitl, D.O. Pediatrics Marlyn Valena, M.D. Internal Medicine Udaya Bontu, M.D. Michael Hernandez, M.D. Ronald Hirsch, M.D. Patricia Merlo, D.O.

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