JOHN, J HERNANDEZ MD is categorized under PHYSICIANS & SURGEONS specializing in OTORHINOLARYNGOLOGY and located at 425 Haaland Dr. Ste. 206 in or near the Thousand Oaks, CA area. Find additional information including website, e-mail, map, and directions - OriginalYP.com®. Find additional PHYSICIANS & SURGEONS at MedicalYP.com ®.