Kelsey-Seybold Leadership Team
Chairman of the Board
Tony Lin, M.D., C.E.O., Chairman, Board of Managers and Managing Director
Medical Directors
Donnie Aga, M.D., Medical Director for Healthcare Innovation
James Hoyle, M.D., F.A.A.P., F.S.A.H.M., Medical Director of Clinical Operations
Rupesh Nigam, M.D.,F.A.C.P., Medical Director of Population Health and Associate Medical Director of Hospital Services
Nicholas Solomos, M.D., Medical Director for Executive Health and Wellness Associate Medical Directors
Treneth Baker, M.D., Medical Director of Specialty Care and Chief of Surgery
Maher Daas, M.D., Medical Director of Specialty Care and Chief of Pulmonary Medicine, Critical Care, and Sleep Medicine
Benjamin Dillon, M.D., Medical Director of Specialty Care and Associate Chief of Urology
John Hughes, M.D., F.A.C.P., Associate Medical Director of Clinical Academic Affairs and Affiliations
Tejash Patel, M.D., Medical Director of Cancer Services
Victor Simms, M.D., M.P.H., F.A.C.P., Associate Medical Director of Clinical Operations
Department Chiefs
Vinita Bhagia, M.D., Chief of Endocrinology
Muhammed Nathani, MD, FACP, FACG, Chief of Gastroenterology
Richard Byrd, M.D., F.A.A.P., Chief of Pediatrics
Catherine Cahill, M.D., Co-chief of Orthopedics
Christopher Chon, M.D., Chief of Urology
Jonathan Garza, M.D., Chief of Neurology
Dennis Hatherill, Au.D., M.S., Chief of Audiology
Lyndall Harrison, M.D., Chief of Allergy/Immunology
Mario Lamothe, M.D., F.A.C.R., Chief of Rheumatology
Anita Mehta, M.D., F.A.A.D., Chief of Dermatology
Ali Mortazavi, M.D., Chief of Cardiology
Jose Nolla, M.D., Co-chief of Orthopedics
Sunil Patel, M.D., C.M.Q., Chief of Hematology and Oncology
Jesus Samaniego, M.D., F.A.C.O.G., Chief of Obstetrics and Gynecology
Puja Sehgal, M.D., Chief of Family Medicine
Ahmed Sewielam, M.D., F.I.P.P., Chief of Pain Management, Spine Center, Physiatry, and PMR (Physical Medicine and Rehabilitation)
Victor Simms, M.D., M.P.H., F.A.C.P., Chief of Internal Medicine
Sylvia Trumble, M.D., Chief of Radiology
Joshua Udoetuk, M.D., Chief of Ophthalmology/Optometry
Etan Weinstock, M.D., Chief of Otolaryngology
Biren Patel, M.D., Chief of Behavioral Medicine
Scott Barton, M.D., Chief of Radiology and Oncology