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
Katherine “Kate” Ziwisky, PA-C, is a board-certified physician assistant within the Infectious Disease Department at Valley Medical Center. She is a caring advocate for patients. She prioritizes communication to better understand, educate, and support patients on their healing journey. She sees patients with a wide range of acute and chronic infections in the hospital and clinic setting with an interest in HIV and outpatient parenteral antibiotic therapy (OPAT).
Kate received her medical education at Marquette University in Milwaukee, Wisconsin. Outside of work, Kate enjoys cooking, practicing and teaching yoga, watching movies, and exploring the world with her husband, son, and extended family.
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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.
Infectious Disease Clinic
Call 425.690.3487
Fax 425.690.9087
Insurance Information
Billing & Financial Assistance