We are pleased to announce that a new agreement has been reached with Aetna. This allows Valley to continue to be an in-network provider for Aetna-insured patients and will cover services provided since previous contracts ended June 1, 2025. We understand how important it is for our patients to retain in-network access to the doctors, programs, and expert care teams they know and trust. Thank you for your patience throughout this process.
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Valley Medical Group Provider
Provider Bio
Peter Balousek, MD graduated from the University of Michigan Medical School. He completed his residency in neurosurgery and a fellowship in interventional neuroradiology at the University of California, where he was an assistant clinical professor of radiology.
Dr. Balousek is one of the few neurosurgeons in Seattle with special training and expertise in general and endovascular neurosurgery and radiosurgery. His interests include treatment of cerebral aneurysms, AVMs, and cerebrovascular disease/stroke, as well as treatment of brain tumors by both open surgery and with VMC's BrainLab radiosurgery unit.
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Scheduling & Locations
This provider works at the location(s) listed below. If you haven’t had an appointment with this provider before, please look near the provider’s photo above to make sure they are accepting new patients. Telehealth appointments are available for some conditions. Please call the clinic to learn more about telehealth options.
Neuroscience Institute | Neurosurgery
Call 425.690.3586
Fax 425.690.9586
Insurance Information
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