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Health Services Research Lab
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A health services research lab that uses data to evaluate the quality of medical and long-term care services.

AboutAbout the lab
Health care in harmony with daily life.
The Health Services Research Lab comprehensively and scientifically evaluates and analyzes the quality of medical services (including nursing, health, and welfare) using health services research methods.
Through interdisciplinary research results based on empirical data, the lab aims to contribute to realizing health care that is in harmony with daily life.
The lab examines issues not only from a medical perspective but also from the perspectives of policy studies, law, economics, sociology, and anthropology, and shares its results in Japan and abroad.
Because Prof. Tamiya retired at the end of FY2025, graduate students entering from FY2026 who focus mainly on health services research will be accepted by Associate Professor Watanabe, Project Professor Sugiyama, and others, and supported by a team that includes assistant professors.
Key terms
- Health services research
- An interdisciplinary research field that scientifically examines the quality and cost of health care and its effects on health
- Medical claims (receipts)
- Records of claims for the cost of medical and long-term care services
NewsLab news
A paper by a visiting researcher was accepted by Critical Care Medicine
A paper by a graduate student was accepted by Physical Medicine and Rehabilitation (press release available)
A paper by a visiting researcher was published in Journal of Epidemiology (press release available)
The English-language book 'Health Services Research for Physicians,' co-authored by faculty members, was published
A paper by a graduate student was published in Geriatrics & Gerontology International
ResearchResearch themes
The lab evaluates and analyzes the quality of medical services (including nursing, health, and welfare) based on empirical data, with the aim of improving service quality. It examines quality from three perspectives: structure, such as staffing and facilities; process, such as use and accessibility; and the resulting changes.
*Illustrative imageOfficial statistics, family, and long-term care research
Associate Professor Watanabe conducts health services research using data such as official statistics. She also conducts research on family and long-term care, aiming for research that meets the needs of care settings and the people concerned.
*Illustrative imageMedical claims and diabetes health policy
Project Professor Sugiyama conducts health services research using medical claims (receipts) and research on health policy for diabetes. He belongs to both the university and the National Center for Global Health and Medicine, and aims to contribute to evidence-based health policy.
MembersFaculty
The members of the Health Services Research Lab consist of faculty members, visiting faculty members, researchers (full-time, part-time, and visiting), part-time lecturers, doctoral and master's students, and administrative staff.As of 2026
- Project ProfessorTakehiro Sugiyama
- Associate ProfessorTaeko Watanabe
- Project LecturerSun Sun
- Project LecturerArisa Iba
- Assistant ProfessorYuta Taniguchi
- Assistant ProfessorChitose Kawamura
- Project Assistant ProfessorJun Komiyama
VoicesStudent voices
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “Old pharmacy shelves in exposition History of pharmacies in Kuks Hospital in Kuks, Trutnov District” Jiří Sedláček / CC BY-SA 4.0 (cropped)
- Official statistics, family, and long-term care research: “New York National Guard nursing home” The National Guard / CC BY 2.0 (cropped)
- Medical claims and diabetes health policy: “(20250417) Blood glucose meter 09” Roy Zuo / CC BY-SA 4.0 (cropped)
- Related lab (Health Policy and Health Economics Lab): “A waiting room at a medical healthcare clinic, doctor's office, hospital” Harrison Keely / CC BY 4.0 (cropped)
- Related lab (Community Medicine Education Lab): “Binga rural clinic” Sisase / CC BY-SA 4.0 (cropped)
- Related lab (Palliative Medicine Lab): “Elderly woman sitting in an armchair and holding her glasses while typing on a laptop. ( )” Nenad Stojkovic / CC BY 2.0 (cropped)
- Related lab (Social Health Medicine Lab): “Community health fair improves healthcare accessibility on St Kitts, Nevis (8978317)” U.S. Air Force photo by Maj. Stephani Schafer / Public domain (cropped)
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