Dr. Joffre E. Olaya

William Loudon is a General Surgeon and a Neurosurgery provider in Fullerton, California. Dr. Loudon is rated as a Distinguished provider by MediFind in the treatment of Wiedemann-Rautenstrauch Syndrome. His top areas of expertise are Bulging Fontanelles, Primitive Neuroectodermal Tumor (PNET), Hydrocephalus, and Sunken Fontanelles. Dr. Loudon is currently accepting new patients.

Mark Krieger is a Neurosurgery provider in Los Angeles, California. Dr. Krieger is rated as a Distinguished provider by MediFind in the treatment of Wiedemann-Rautenstrauch Syndrome. His top areas of expertise are Hydrocephalus, Syringomyelia, Chiari Malformation Type 2, Posterior Fossa Decompression, and Spinal Fusion.

Aaron Cohen-Gadol, MD, MSc, (Dr. Cohen) is one of the world’s most preeminent neurosurgeons at ATLAS Institute of Brain & Spine in Los Angeles. He specializes in the treatment of complex brain and spine tumors, including meningiomas, pituitary adenomas, gliomas and acoustic neuromas, as well as arteriovenous and cavernous malformations, hemifacial spasm and trigeminal neuralgia. Neurosurgeons and patients both frequently seek his expert second opinion. Throughout his career, he has demonstrated a profound commitment and passion for pushing the boundaries of uncompromising excellence for his patients.Dr. Cohen has performed more than 7400 complex brain surgeries in his career, more than any other performed by a single surgeon in the United States. These 7400 surgeries have been documented in the Neurosurgical Atlas collection, which Dr. Cohen founded and which is considered throughout the world as the “bible of neurosurgery” and used by more than 70,000 physicians for the care of their patients. He has introduced over 40 novel surgical techniques that have inspired thousands of neurosurgeons to achieve technical excellence and peak performance in the operating room.The Scandinavian Neurosurgical Society awarded Dr. Cohen its prestigious Vilhelm Magnus Medal — referred to as the Nobel Prize in Neurosurgery, and one of only 11 medals ever awarded — for his preeminent contributions. Dr. Cohen-Gadol is rated as a Distinguished provider by MediFind in the treatment of Wiedemann-Rautenstrauch Syndrome. His top areas of expertise are Meningioma, Brain Tumor, Trigeminal Neuralgia, Balloon Sinuplasty, and Awake Craniotomy.