The Hagi City National Health Insurance Tamagawa Clinic is the core medical institution serving the Tamagawa area (formerly Tamagawa Town) in the northeastern part of Hagi City, Yamaguchi Prefecture. Operating within a community where the elderly population rate stands at 54.7%, the clinic offers internal medicine and surgery services three days a week — Tuesday, Thursday, and Friday — from 8:30 AM to 5:15 PM. With approximately 18 outpatients per day (fiscal year 2024 results), it continues to provide care on a scale closely integrated with the local community. Staffed by one physician, two nurses, and one administrative personnel, the facility is equipped with key medical devices including X-ray imaging equipment, ultrasound diagnostic devices, and an electrocardiograph, enabling in-house testing as needed. The clinic actively leverages My Number Card health insurance for retrieving and sharing medical information, and accommodates refill prescriptions and long-term prescriptions of 28 days or more for patients with stable conditions. The facility features a full parking lot and is barrier-free accessible. English communication is also available, making it a comprehensive, community-rooted healthcare provider for the Tamagawa area.