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
Allen Sy, MD, is a general internist and hospitalist at Valley Medical Center. He has a special interest in caring for adults hospitalized for non-surgical illness in the acute care and intensive care settings. Dr. Sy is passionate about delivering high quality and evidence-based medicine to all his patients.
Dr. Sy grew up in South Seattle, not too far from Valley Medical Center. He completed all of his training including undergraduate, medical school, internal medicine internship, and residency at University of Washington. In his spare time, he enjoys trying new restaurants, weightlifting, and getting outdoors with his wife and corgi.
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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.
Insurance Information
Billing & Financial Assistance