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About Us

Meet Kelsey-Seybold's Leadership

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

Patrick Carter, M.D., M.B.A., F.A.A.F.P., Medical Director of Care Coordination and Quality Improvement

Nicholas Solomos, M.D., Medical Director for Executive Health and Wellness Associate Medical Directors

Trenneth 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


Department Chiefs

Vinita Bhagia, M.D., Chief of Endocrinology

Richard Byrd, M.D., F.A.A.P., Chief of Pediatrics

Catherine Cahill, M.D., Co-chief of Orthopedics

Patrick Carter, M.D., M.B.A., F.A.A.F.P., Chief of Occupational Medicine and Family Medicine

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

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





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