Dr. Alexander Zartaisky

Aleksandrs U. Kalnins, MD, a neuroradiologist at Endeavor Health, specializes in the imaging and diagnosis of conditions affecting the brain, spine and nervous system. He interprets advanced imaging studies such as MRI and CT scans to support the diagnosis and treatment planning for neurological disorders. Dr. Kalnins works in collaboration with neurologists, neurosurgeons and other specialists to deliver accurate, timely insights that guide patient care. Dr. Kalnins is rated as a Distinguished provider by MediFind in the treatment of Invertebral Disc Disease. His top areas of expertise are Stroke, Invertebral Disc Disease, Hepatocerebral Degeneration, and Cerebellar Degeneration.

Rajeev Sai Polasani, MD, a neuroradiologist at Endeavor Health, specializes in interpreting advanced imaging of the brain, spine and nervous system. He provides diagnostic expertise that supports timely evaluation and treatment of neurological conditions. Dr. Polasani is rated as a Distinguished provider by MediFind in the treatment of Invertebral Disc Disease. His top areas of expertise are Stroke, Cerebral Arteriovenous Malformation, Vertigo, and Herniated Disk.

Matthew T. Walker, MD, a neuroradiologist at Endeavor Health, specializes in interpreting advanced imaging of the brain, spine and nervous system. Dr. Walker collaborates with referring clinicians to support timely diagnosis and guide treatment planning through accurate radiologic assessment. Dr. Walker is rated as a Distinguished provider by MediFind in the treatment of Invertebral Disc Disease. His top areas of expertise are Meningioma, Stroke, Cerebral Arteriovenous Malformation, Subarachnoid Hemorrhage, and Hormone Replacement Therapy (HRT).