Our Team

Meet Our Stroke & Neurovascular Specialists

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.

Jason Tarpley, MD, PhD

Neurointerventional Surgery

Samuel Hou, MD, PhD

Neurointerventional Surgery

Christopher Putman, MD

Neurointerventional Surgery

Adi Iyer, MD, MS

Neurosurgery, Neuro-interventional Surgery

Sandra Narayanan, MD

Vascular Neurology, Neurointerventional Surgery

Walavan Sivakumar, MD

Neurosurgery

Renee Ovando, MSN, NP-C

Neurointerventional Surgery

Kamila Szweda, RN, MSN, FNP

Neurointerventional Surgery

Jennifer Kulesza, PA-C

Neurointerventional Surgery

Mason Devon, PA-C

Neurointerventional Surgery

Yasmine Ghazvini, MHA

Dana Rivera

Meet Dr. Jason Tarpley Meet Dr. Hou Meet Dr. Christopher Putman Meet Dr. Christopher M. Putman, a board-certified interventional neuroradiologist with over 20 years of experience. He treats a variety of complex intracranial, head and neck, and spine vascular conditions including… Meet Dr. Adi Iyer Meet Dr. Walavan Sivakumar Dr. Walavan Sivakumar is a fellowship-trained neurosurgeon with a focus on skull base and minimally invasive and endoscopic neursosurgery. Selected as a multiple year recipient of the SuperDoctor Rising Stars…

Meet Dr. Jason Tarpley

Meet Dr. Samuel Hou

Meet Dr. Christopher Putman

Meet Dr. Adi Iyer

Meet Dr. Walavan Sivakumar

Contact Us

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