Medical Specialties
Physicians and licensed practitioners provide more than 18 medical specialty services through
GMH. These services include: internal medicine, family medicine, pathology, radiology,
nuclear medicine, obstetrics, gynecology, pediatrics, vascular surgery, ear, nose & throat,
general and industrial surgery, ophthalmology, anesthesiology, orthopaedic surgery, allergy,
speech pathology, physical medicine and rehabilitation, urology, emergency medicine, as
well as other specialty service areas.

Admitting Physicians
Physicians who admit to Grady Memorial Hospital are principally associated with Five Oaks
Medical Group (405-224-2100), a department of Grady Memorial Hospital and Southern Plains
Medical Center (405-224-8111) and as independent practitioners.

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Anesthesiology - Gideon T. Lau, M.D. - Active Staff
Anesthesiology - Jon M. Brown, CRNA - Active Staff
Cardiology - Raha Mael, M.D. - Courtesy Staff
Cardiology - Jonathan E. Valuck, M.D. - Courtesy Staff
Cardiology - John M. Williams, M.D. - Courtesy Staff
Denistry- Mark E. Mettry, DD - Affiliate Staff
Emergency Medicine - Harold M. Claver, D.O. - Courtesy Staff
Emergency Medicine - Holly B. Costner, D.O. - Courtesy Staff
Emergency Medicine - David M. Gearhart, D.O. - Courtesy Staff
Emergency Medicine - Michael L. Gearhart, D.O. - Courtesy Staff
Emergency Medicine - Chelsey D. Gilbertson, D.O. - Courtesy Staff
Emergency Medicine - Alfred C. Husen, D.O. - Courtesy Staff
Emergency Medicine - Brian C. Pratt D.O. - Courtesy Staff
Emergency Medicine - Anthony H. Ramirez, M.D. - Courtesy Staff
Emergency Medicine - Michael L. Rodriquez, M.D. - Courtesy Staff
Emergency Medicine - Bruce L. Storms, M.D. - Active Staff
Emergency Medicine - Carl A. Thompson, M.D. - Courtesy Staff
Emergency Medicine - Brent L. Wauters, M.D. - Active Staff
Family Medicine - Jay C. Belt, D.O. - Active Staff
Family Medicine - Laura M. Black-Wicks, D.O. - Active Staff
Family Medicine - Mitchell D. Coppedge, M.D. - Active Staff
Family Medicine - Shelly D. Faubion, D.O. - Active Staff
Family Medicine - Ryan Johnson, D.O. - Active Staff
Family Medicine - Ian S. Thompson, M.D. - Active Staff
Family Medicine - Deborah Bearce, PA-C - Affiliate Staff
Family Medicine - Ron W. Secoy, PA-C - Affiliate Staff
Family Medicine - Mary Ross, PA-C - Affiliate Staff
Gynecology - Nancy W. Dever, M.D. - Active Staff
Hematology/Oncology - Leonard M. Bowen, M.D. - Courtesy Staff
Hematology/Oncology - Ralph G. Ganick, M.D. - Courtesy Staff
Hematology/Oncology - Roseleen S. Charania, M.D. - Courtesy Staff
Hospitalist - Charles O. Hershey, M.D. - Active Staff
Hospitalist - Oscar D. James, M.D. - Active Staff
Internal Medicine - Thomas W. Essex, D.O. - Active Staff
Internal Medicine - Don R. Hess, M.D. - Active Staff
Internal Medicine - Juan A. Maldonado, M.D. - Courtesy Staff
Internal Medicine - Karen S. Maluf, M.D. - Active Staff
Internal Medicine - William M. Ohl, P.A.-C - Allied Health

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Medical Staff Office
Teresa Hill, CPS, CPMSM
Medical Staff Service Coordinator
Grady Memorial Hospital
2220 Iowa Ave.
Chickasha, OK 73018
Phone: (405) 779-2113
Fax: (405) 779-2310
E-mail: medrec@gradymem.org




Grady Memorial Hospital / 2220 Iowa Ave. / Chickasha, OK 73018 / (405) 224 - 2300
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