PNI building exterior

Our Team

Meet Our Stroke & Neurovascular Specialists

Four center directors cover the extensive footprint of PNI Neurovascular Services across Southern California: Drs. Jason Tarpley, Samuel Hou, Walavan Sivakumar, and Aditya Iyer

Stroke and neurovascular conditions are treated by neurosurgeons and specialist surgeons called neurointerventional radiologists (also called interventional neuroradiologists or neurointerventional surgeons).

Our specialists offer experience and personalized treatment to all our patients. Our multidisciplinary experts are leaders in their field and contribute to the advancement of knowledge and understanding of neurovascular disease.

Contact Us

The Pacific Stroke and Neurovascular Center’s state-of-the-art facilities are located at:

Providence Saint John’s Health Center
2125 Arizona Ave., Santa Monica, CA 90404

Providence Little Company of Mary Medical Center Torrance
4201 Torrance Blvd., Suite 520, Torrance, CA 90503

Providence Saint Joseph Medical Center
501 S. Buena Vista Ave., Burbank, CA 90505

Providence Holy Cross Medical Center
15031 Rinaldi St, Mission Hills, CA 91345