TOP > MEMBERS > Takehiro SUGIYAMA, MD, MSHS, Ph.D.
Takehiro SUGIYAMA, MD, MSHS, Ph.D.

Senior Researcher, Department of Global Health System and Innovation, Institute for Global Health Policy Research,
Bureau of Global Health Cooperation,
Japan Institute for Health Security (JIHS), Tokyo, Japan
AREAS OF EXPERTISE
Health Services Research
Health Policy
Epidemiology
Diabetes
MESSAGE
I am committed to promoting health policy research utilizing big data, such as the National Database of Health Insurance Claims (NDB), to contribute to Evidence-Based Policymaking (EBPM). Additionally, I am dedicated to fostering the next generation of public health professionals through the management of the Board Certified Social Medicine Specialist training program.NARRATIVE CV
Dr. Sugiyama graduated from the University of Tokyo School of Medicine in 2006. After completing clinical training at the National Center for Global Health and Medicine (NCGM), he obtained a Master of Science in Health Services from the UCLA Fielding School of Public Health in 2012 and a PhD from the University of Tokyo Graduate School of Medicine in 2014. Currently, he serves as the Director of the Medical DX Department at the Japan Institute for Health Security (JIHS), while concurrently serving as a Senior Researcher at iGHP and a Specially Appointed Professor at the University of Tsukuba. He specializes in health policy research utilizing large-scale data such as the NDB. He holds board certifications in General Internal Medicine, Diabetes, and Social Medicine.Curriculum Vitae (Detailed)
Takehiro Sugiyama, MD, MSHS, PhDJapanese physician and public health scholar. Research fields include health services research using administrative claims data and clinical epidemiology, with a focus on diabetes and health policy.
Positions
Director, Medical DX Department, Bureau of System Infrastructure Development, Japan Institute for Health Security (JIHS)
Chief, Division of Health Services Research, Diabetes and Metabolism Information Center, National Institute of Global Health and Medicine, JIHS (Concurrent)
Senior Researcher, Department of Global Health System and Innovation, iGHP, JIHS (Concurrent)
Specially Appointed Professor, Department of Health Services Research, University of Tsukuba (Concurrent, cross-appointment)
Career
| 2006- | Junior Resident, The University of Tokyo Hospital |
| 2008- | Senior Resident, Department of Diabetes and Metabolism, NCGM |
| 2011- | Fellow, Department of Diabetes and Metabolism, NCGM |
| 2014- | Senior Researcher, Department of Clinical Research, NCGM |
| 2017-Present | Chief, Health Division of Health Services Research, Diabetes and Metabolism Information Center, NCGM |
| 2018- | Associate Professor, Department of Health Services Research, University of Tsukuba |
| 2020-Present | Senior Researcher, Institute for Global Health Policy Research, Bureau of Global Health Cooperation, JIHS |
| 2022- | Professor, Department of Health Services Research, University of Tsukuba |
| 2025-Present | Director, Medical DX Department, Bureau of System Infrastructure Development, JIHS |
| 2025-Present | Specially appointed Professor, Department of Health Services Research, University of Tsukuba |
Education
Professional ExperienceFaculty Member, University of Tsukuba (Cross-appointment, 20% effort)
Engaged in research and the education of medical and graduate students.
Part-time Lecturer, The University of Tokyo
Responsible for supervising student practical training (clinical clerkship) for 5th-year medical students (1-week duration), as well as conducting lectures for undergraduate and graduate students.
Social Activities
| Committee Member | U40 Committee, The 31st General Assembly of the Japan Medical Congress |
| Editorial Board Member | Japanese Journal of Health Economics and Policy (Japan Health Economics Association) |
| Associate Editor | Journal of Epidemiology |
| Executive Director | Japanese Board of Public Health and Social Medicine |
Awards and Honors
| 2007 | The University of Tokyo President's Award 2020, Hakoneyama Encouragement Award |
| 2021 | Japan Society of Public Health Encouragement Award |
| 2024 | Japan Society for Diabetic Complications Young Investigator Award (YIA) |
| 2025 | Japan Medical Association Medical Research Encouragement Prize |
5 selected publications
| 1. | Yamamoto K, Ihana-Sugiyama N, Sugiyama T, Yamaoka T, Wakui-Kimura A, Imai K, Kuroda N, Ohsugi M, Ueki K, Yamauchi T, Tamiya N. Recognition of ophthalmology consultation and fundus examination among individuals with diabetes in Japan: A cross-sectional study using claims-questionnaire linked data. Diabetes Obes Metab. Vol 27, 1762-1772, 2025. |
| 2. | Ihana-Sugiyama N, Sano K, Sugiyama T, Goto A, Hirata T, Ueki K, Tsushita K. Evaluation of a program designed to prevent diabetic nephropathy aggravation: A retrospective cohort study using health checkups and claims data in Japanese municipalities. Diabetes Res Clin Pract. Vol 215, 11804, 2024. |
| 3. | Strengthening public health response after COVID-19: Review of the Centers for Disease Control and Prevention of the United States to envision “Japan CDC.” Japanese Journal of Public Health. 567-572, 2020. |
| 4. | Sugiyama T, Imai K, Ihana-Sugiyama N, Tanaka H, Yanagisawa-Sugita A, Sasako T, Higashi T, Okamura T, Yamauchi T, Ueki K, Ohsugi M, Kadowaki T. Variation in process quality measures of diabetes care by region and institution in Japan during 2015-2016: An observational study of nationwide claims data. Diabetes Res Clin Pract. Vol 155, 107750, 2019. |
| 5. | Sugiyama T, Tsugawa Y, Tseng CH, Kobayashi Y, Shapiro MF. Different time trends of caloric and fat intake between statin users and nonusers among US adults: gluttony in the time of statins? JAMA Intern Med. Vol 174, 1038-45, 2014. |
Details are as follows:
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