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1110 N Sarah DeWitt Drive | Gonzales, Texas 78629 | 830-672-7581


Physicans By Practice

Gonzales Healthcare Systems has formed relationships with a number of specialty physicians who are currently holding clinics within and adjacent to Memorial Hospital. These specialists come to Gonzales from San Antonio, Austin, San Marcos, and Seguin. Their skills offer the residents of Gonzales a depth of care not usually seen in a system of this size.

These specialists are listed under the Courtesy Staff heading below.






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Can be sorted descending Name SpecialtyCan be sorted ascending PhoneSorted ascending
Marisol Ortiz, M.D.Pediatrics361-575-0681
Michelle Cummins, M.D.Ear Nose and Throat - Otorhinolaryngology361) 551-2565
Michelle Moon, D.O.Neurology830-379-4422
Charles Andrews, M.D.Pulmonary Medicine830-672-3845
Azhar MalikNephrology888-576-0011
Byron D. Neely, M.D., P.A.Neurological Surgery979-968-6500
Sean HamiltonGeneral Surgery(361) 575-6396
David Shulman, M.D.Ophthalmology(800) 734-1693
Praveen Thangada, M.D.Neurology(830) 303-1819
Helen RossAudiology(830) 372-2239
Michael DwyerGeneral Surgery(830) 372-2840
Jennifer Hennessee, M.D.Ear Nose and Throat - Otorhinolaryngology(830) 379-0299
Robert Ryan, III, M.D.Urology(830) 379-3046
Joseph Kavanagh, M.D.Ophthalmology(830) 379-3937
G. Steven White, M.D.Orthopedics(830) 379-9492
Garth Vaz, M.D.Family Practice(830) 672-2424
Charles Andrews, M.D.Neurology,Pulmonary Medicine(830) 672-3845
Charles Roeth, M.D.Cardiology(830) 672-3845
William Craig, M.D.Cardiology(830) 672-3845
Robert Williamson, M.D.General Practice(830) 672-4601
Terry Eska, M.D.Internal Medicine(830) 672-4995
Terri Quebedeoux, D.P.M., P.A.Podiatry(830) 672-7581
Phillip Sladek, M.D.General Surgery(830) 672-8470
Humberto Rivas, M.D. Pediatrics(830) 672-8473
Commie Hisey, D.O., Chief of StaffFamily Practice(830) 672-8502
David Meredith, D.O.Family Practice(830) 672-8502
Stephanie Kodack, M.D,Obstetrics / Gynecology(830) 672-8502
Lino Oballo(830) 672-8502
John Thomas, M.D.,Family Practice(830)672-8502
Christopher Walker, M.D.Family Practice with Obstetrics(830)672-8502
David GarzaCardiology(866) 493-5551
Vicente Quintero, M.D.Dermatology(866) 624-8026
Darrell Willerson, M.D., Retina SpecialistOphthalmology(888) 271-7648
Roland Medellin, M.D.Family Practice












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