Patients can now receive comprehensive care for brain and neurological conditions at PNI's new clinic, which opened September 12, 2017. Serving patients through three centers of excellence, the Brain Tumor Center, Stroke & Aneurysm Center, and Movement Disorders Center, PNI's neurosurgeons, neurologists and neurovascular specialists see patients at the Medical Building next to the hospital located at 4201 Torrance Blvd., Suite 520.

Dr. Natalie Diaz is a board-certified neurologist with fellowship training in movement disorders. Her clinical practice focuses on the evaluation and management of patients with Parkinson's disease, atypical parkinsonian disorders, Huntington's disease and other choreiform disorders, dystonia, and ataxia. She also has specialized training in the evaluation and programming of deep brain stimulation as a treatment for Parkinson's disease, essential tremor and dystonia as well as the therapeutic administration of botulinum toxin injections for non-cosmetic indications such as focal dystonia, hemifacial spasm and limb spasticity. Her research focuses on industry-sponsored clinical trials in Parkinson's disease and other collaborative clinical projects in the field of neurodegenerative disorders.

Jason W. Tarpley, MD, PhD is a board-certified neurologist with fellowship training in vascular and interventional neurology. He specializes in the clinical care of patients with neurovascular disorders and has specific interest in ischemic and hemorrhagic stroke, cerebral aneurysms, and carotid artery stenosis. He is an investigator in many phase 2 and phase 3 clinical studies examining the safety and effectiveness of innovative therapies in stroke patients. He has published many papers and presented his research at domestic and international conferences. Dr. Tarpley serves as the Stroke Medical Director for Pacific Stroke and Neurovascular Center. He is also the clinical lead for Providence's system-wide Clinical Stroke Research.