Medical Staff Leaders 2016-2017 Petaluma Valley Hospital Staff officers President Anthony Kosinski, M.D. Vice President Jonathan Choe, M.D. Secretary Michael Johnson, D.P.M. Executive Committee Member - At Large Philippe Edouard, M.D. Departmental Chairmen and Vice Chairmen Medicine/Family Practice Department Farid Osman, M.D., Chair James Leoni, M.D., Vice Chair, F.P. Lalith Mohan, M.D., Vice Chair, Medicine Surgery Department Robert Harf, M.D., Chairman Mark Northfield, M.D., Vice Chairman Chiefs of Service And Medical Directors Chiefs of Service and Medical Directors Chief of Anesthesia Patrick Kinane, D.O. Chief of Ob/Gyn Julie Clark, M.D. Chief of Orthopedics Mark Northfield, M.D. Chief of Pediatrics Faye Lundergan, M.D. Chief of Podiatry Michael Johnson, D.P.M. Chief of Pathology Paul Wasserstein, M.D. Chief of Radiology William Meseroll, M.D. Medical Director, Iccu Vacant Medical Director, Respiratory Care Services Ralph Dilisio, M.D. Medical Director, Hospice Scott Eberle, M.D. Medical Director, Oncology Services Thomas Stanton, M.D. Medical Director, Emergency Services Loren Fong, M.D. Executive Committee Members Member at Large Phillipe Edouard, M.D. Ethics Committee Chair Rochelle Bomar, D.P.M. Credentials Committee Chair Lalith Mohan, M.D. Quality Review Committee Chair Rajesh Radadive, M.D. Quality Steering Team Chair William Meseroll, M.D.