MASATOSI MATUMOTO

Last Updated :2026/06/03

Affiliations, Positions
Graduate School of Biomedical and Health Sciences, Contributing Professor
E-mail
matmo10hiroshima-u.ac.jp

Basic Information

Major Professional Backgrounds

  • 2023, Hiroshima University, School of Medicine, Dean Supporter
  • 2017, Hiroshima University, School of Medicine, Professor
  • 2010, Hiroshima University, Faculty of Medicine, Associate Professor
  • 2007, Jichi Medical School, Lecturer
  • 2005, Jichi Medical School, Research Associate
  • 2002, Jichi Medical School Hospital, Physician
  • 1999, Fujihashi Village Clinic, Chief
  • 1998, Jichi Medical School, senior resident
  • 1996, Tenri Hospital, junior resident

Educational Backgrounds

  • University of Oxford, Department of Social Anthropology, U.K., 2005
  • Hiroshima University, Faculty of Medicine, Japan, 1996

Academic Degrees

  • PhD (Medicine), Jichi Medical School
  • Master of Science (Anthropology), University of Oxford

Research Fields

  • Medicine,dentistry, and pharmacy;Society medicine;Hygiene and public health
  • Medicine,dentistry, and pharmacy;Boundary medicine;Medical sociology
  • Medicine,dentistry, and pharmacy;Clinical internal medicine;General internal medicine (including psychosomatic medicine)

Research Keywords

  • Rural Health
  • Health Policy
  • General Practice
  • Medical Education

Educational Activity

Course in Charge

  1. 2026, Undergraduate Education, 4Term, Exercise in Medical and Clinical Engineering 1
  2. 2026, Undergraduate Education, Year, Systemic Disease Control
  3. 2026, Undergraduate Education, Intensive, Practice for medical research
  4. 2026, Undergraduate Education, Intensive, Practice of Medicine I
  5. 2026, Graduate Education (Master's Program) , 1Term, Seminar on Health Policy & Global Health
  6. 2026, Graduate Education (Master's Program) , Second Semester, Lecture on Practice of General Medicine

Research Activities

Academic Papers

  1. ★, Matsumoto M., et al. Ethical issues arising from the government allocation of physicians to rural areas: A case study from Japan., J Med Ethics, 50(7), 460-465, 2024
    Link to Paper Search Results by DOI
  2. ★, Matsumoto M, et al. Education policies to increase rural physicians in Japan: a nationwide cohort study., Hum Resour Health, 19(1), 102, 2021
  3. ★, Matsumoto M, et al. Geographic distribution of regional quota graduates of Japanese medical schools: a nationwide cohort study., Academic Medicine, 94(8), 1244-1252, 2019
  4. ★, Ikegami, et al. Japanese universal health coverage: evolution, achievements, and challenges, LANCET, 378(9796), 1106-1115, 2011
    Link to Paper Search Results by DOI
  5. ★, Matsumoto, et al. Policy implications of a financial incentive programme to retain a physician workforce in underserved Japanese rural areas, SOCIAL SCIENCE & MEDICINE, 71(4), 667-671, 2010
  6. ★, Matsumoto, et al. Geographical distributions of physicians in Japan and US: impact of health care system on physician dispersal pattern., Health Policy, 96, 255-261, 2010
  7. ★, Matsumoto, et al. Geographic distribution of primary care physicians in Japan and Britain., Health Place, 16, 164-166, 2010
  8. ★, Matsumoto, et al. A contract-based training system for rural physicians: follow-up of Jichi Medical University graduates (1978-2006)., J Rural Health, 24(4), 360-368, 2008
  9. ★, Matsumoto, et al. Association of adiponectin with cerebrovascular disease: a nested case-control study., Stroke, 39(2), 323-328, 2008
  10. ★, Matsumoto, et al. Adiponectin and non-cardiovascular death: a nested case-control study., Metabolism, 57(6), 811-818, 2008
  11. Matsumoto, et al. Aging of hospital physicians in rural Japan: a longitudinal study based on national census data., PLoS One, 13(6), e0198317, 2018
  12. Matsumoto M, et al. Results of physician licence examination and scholarship contract compliance by the graduates of regional quotas in Japanese medical schools: a nationwide cross-sectional survey, BMJ OPEN, 7(12), e019418, 2017
    Link to Paper Search Results by DOI
  13. Matsumoto, et al. General practice departments of university hospitals and certified training programs for general practitioners in Japan: a nationwide questionnaire survey., Journal of General and Family Medicine, 00, 1-5, 2017
  14. Matsumoto, et al. Follow-up study of the regional quota system of Japanese medical schools and prefecture scholarship programmes: a study protocol, BMJ OPEN, 6(4), 2016
    Link to Paper Search Results by DOI
  15. Matsumoto, et al. Selection and concentration of obstetric facilities in Japan: Longitudinal study based on national census data, JOURNAL OF OBSTETRICS AND GYNAECOLOGY RESEARCH, 41(6), 919-925, 201506
    Link to Paper Search Results by DOI
  16. Matsumoto, et al. Geographic maldistribution of physicians in Japan: increasing the number of generalists is one solution., General Medicine, 16(4), 1-5, 2015
  17. Matsumoto, et al. Geographic Distribution of CT, MRI and PET Devices in Japan: A Longitudinal Analysis Based on National Census Data, PLOS ONE, 10(5), e0126036, 2015
    Link to Paper Search Results by DOI
  18. Matsumoto, et al. Geographic Distribution of Radiologists and Utilization of Teleradiology in Japan: A Longitudinal Analysis Based on National Census Data, PLOS ONE, 10(9), 2015
    Link to Paper Search Results by DOI
  19. Matsumoto M, et al. Do rural and remote areas really have limited accessibility to health care? Geographic analysis of dialysis patients in Hiroshima, Japan., Rural Remote Health, 13(3), 2507, 2013
  20. Matsumoto, et al. The impact of rural hospital closures on equity of commuting time for haemodialysis patients: simulation analysis using the capacity-distance model, INTERNATIONAL JOURNAL OF HEALTH GEOGRAPHICS, 11(1), 28, 2012
    Link to Paper Search Results by DOI
  21. Matsumoto, et al. A guide to reporting a research paper in rural and remote health., Rural Remote Health, 12, 2312, 2012
  22. Matsumoto, et al. Characteristics of physicians, their migration patterns and distance: a longitudinal study in Hiroshima, Japan, RURAL AND REMOTE HEALTH, 12(2), 2012
    Link to Paper Search Results by DOI
  23. Kashima & Matsumoto (co-lead authors), et al. The Impact of Travel Time on Geographic Distribution of Dialysis Patients, PLOS ONE, 7(10), 2012
    Link to Paper Search Results by DOI
  24. Matsumoto, et al. Does the insufficient supply of physicians worsen their urban-rural distribution? A Hiroshima-Nagasaki comparison, RURAL AND REMOTE HEALTH, 12(2), 2012
    Link to Paper Search Results by DOI
  25. Matsumoto, et al. Quality of care in Japan: an additional strategy, Lancet, 378(378), e17, 2011
  26. Matsumoto, et al. Earthquake, tsunami, radiation leak, and crisis in rural health in Japan., Rural Remote Health, 11(11), 1759-1759, 2011
  27. Matsumoto, et al. Self-employment, specialty choice, and geographical distribution of physicians in Japan: a comparison with the United States., Health Policy, 96, 239-244, 2010
  28. Matsumoto, et al. Definition of rural determines the placement outcomes of a rural medical education program: analysis of Jichi Medical University graduates., J Rural Health, 26, 234-239, 2010
  29. Matsumoto, et al. Retention of physicians in rural Japan: concerted efforts of the government, prefectures, municipalities and medical schools., Rural Remote Health, 10(2), 1432, 2010
  30. Matsumoto, et al. Physician scarcity is a predictor of further scarcity in US, and a predictor of concentration in Japan., Health Policy, 95, 129-136, 2010
  31. Matsumoto, et al. Rurality of communities and incidence of stroke: a confounding effect of weather conditions?, RURAL AND REMOTE HEALTH, 10(3), 2010
    Link to Paper Search Results by DOI
  32. Matsumoto, et al. Cumulative effects of weather on stroke incidence: a multi-community cohort study in Japan., J Epidemiol, 20(2), 136-142, 2010
  33. Matsumoto, et al. Community characteristics that attract physicians in Japan: a cross-sectional analysis of community demographic and economic factors., Hum Resour Health, 7(12), 2009
  34. Matsumoto, et al. Risk chart for estimating the ten-year risk of myocardial infarction in rural community residents: the JMS cohort study., J Epidemiol, 19(2), 94-100, 2009
  35. Matsumoto, et al. Medical education program with obligatory rural service: analysis of factors associated with obligation compliance., Health Policy, 90, 125-132, 2009
  36. Matsumoto, et al. Long-term effect of the home prefecture recruiting scheme of Jichi Medical University., Rural Remote Health, 8(3), 930, 2008
  37. Matsumoto, et al. Characteristics of medical students with rural origin: implications for selective admission policies., Health Policy, 87(2), 194-202, 2008
  38. Matsumoto, et al. Predictors of institutionalization in elderly people living at home: the impact of incontinence and commode use in rural Japan., J Cross Cult Gerontol, 22(4), 421-432, 2007
  39. Matsumoto, et al. Associations of brachial-ankle pulse wave velocity and carotid atherosclerotic lesions with silent cerebral lesions., Hypertens Res, 30(9), 767-773, 2007
  40. Matsumoto, et al. Consumption of dairy products and cancer risks., J Epidemiol, 17(2), 38-44, 2007
  41. Matsumoto, et al. Factors associated with rural doctors intention to continue a rural career: A survey of 3072 doctors., Aust J Rural Health, 13(4), 219-225, 2005
  42. Matsumoto, et al. High-tech rural clinics and hospitals in Japan: a comparison to the national standard., Aust J Rural Health, 12(5), 215-219, 2004
  43. Matsumoto, et al. Rural doctors satisfaction in Japan: a nationwide survey., Aust J Rural Health, 12(2), 40-48, 2004
  44. Matsumoto, M, et al. Two cases of deep vein thrombosis associated with antipsychotic use., Psychiatry Clin Neurosci, 58(4), 450-451, 2004
  45. Matsumoto, M, et al. Innovative research from a rural practice: a blue dahlia?, Aust J Rural Health, 12(5), 224-225, 2004
  46. Matsumoto, et al. Rural practice evaluation: how do rural physicians evaluate their working conditions?, Aust J Rural Health, 9, 64-68, 2001
  47. Matsumoto, M, et al. The living conditions of rural doctors in Japan., Aust J Rural Health, 9(5), 264, 2001
  48. Matsumoto M, et al. Kampo medicine training in Japanese medical schools: Implications for others., Acad Med, 75(1), 1-2, 2000
  49. Matsumoto, et al. Integrating traditional medicine in Japan: the case of Kampo medicines., Complement Ther Med, 7, 254-255, 1999
  50. Matsumoto M, et al. The value of estimating thickness of the posterior wall of the bronchus intermedius for the diagnosis of left sided heart failure., Journal of the Japanese Society of General Medicine, 3(1), 1-5, 1998
  51. Impact of the 2018 Japan Floods on Methotrexate and Antirheumatic Drug Prescriptions: A Longitudinal Analysis of the Japanese National Database, JMA JOURNAL, 9(1), 106-114, 20260115
    Link to Paper Search Results by DOI
  52. Impact of the 2018 Western Japan Heavy Rain Disaster on Anti-influenza Virus Drug Prescribing: A Longitudinal Analysis Using the National Health Insurance Claims Database, DISASTER MEDICINE AND PUBLIC HEALTH PREPAREDNESS, 19, 20250807
    Link to Paper Search Results by DOI
  53. Decline in the surgical workforce in urban and rural Japan and the regional quota system as a potential solution to surgeon shortages., Surg Today, 55(12), 1810-1819, 2025
  54. Impact of 2018 Japan floods on allergic rhinitis prescriptions., World Allergy Organ J, 18(5), 101051, 2025
  55. Rate of asthma prescriptions for children and adolescents during the 2018 Floods in Japan., Pediatrics, 154(3), e2023065381, 2024
  56. Labor shortage of physicians in rural areas and surgical specialties caused by Work Style Reform Policies of the Japanese government: a quantitative simulation analysis. J Rural Med., J Rural Med, 19(3), 166-173, 2024
  57. Factors associated with regional retention of physicians: a cross-sectional online survey of medical students and graduates in Japan., Hum Resour Health, 21, 85, 2023
    Link to Paper Search Results by DOI
  58. Increased care-need in older long-term care insurance users after the 2018 Japan Floods: A retrospective cohort study based on the Japanese long-term care insurance claims, Environ Health Prev Med, 28, 31, 2023
  59. Effects of 2018 Japan floods on healthcare costs and service utilization in Japan: a retrospective cohort study., BMC Public Health, 23(288), https://doi.org/10.1186/s12889-023-15205-w, 2023
  60. How the 2018 Japan Floods impacted nursing home admissions for elderly persons: A longitudinal study using the long-term care insurance comprehensive database., J Am Med Dir Assoc, S1525-8610(22), 00918-5, 2022
  61. Impact of the 2018 Japan Floods on prescriptions for migraine: A longitudinal analysis using the National Database of Health Insurance Claims., Headache, 62(6), 657-667, 2022
  62. Impact of the 2018 Japan Floods on benzodiazepine use: a longitudinal analysis based on the National Database of Health Insurance Claims., Soc Psychiatry Psychiatr Epidemiol, in press, 2022
  63. Sex-specific association of primary aldosteronism with visceral adiposity., J Endocr Soc, 6(8), bvac098, 2022
  64. Geographic distribution of family physicians in Japan and the USA: a cross-sectional comparative study., Rural Remote Health, 22(2), 7163, 2022
  65. Discontinuation of long-term care among persons affected by the 2018 Japan Floods: a longitudinal study using the Long-term Care Insurance Comprehensive Database., BMC Geriatr, 22(1), 168, 2022
  66. Increased prescriptions for irritable bowel syndrome after the 2018 Japan Floods: a longitudinal analysis based on the Japanese National Database of Health Insurance Claims and Specific Health Checkups, BMC Gastroenterol, 22(1), 263, 2022
  67. The 2018 Japan Floods increased prescriptions of anti-dementia drugs among disaster victims., J Am Med Dir Assoc, 23(6), 1045-1051, 2022
  68. Effects of 2018 Japan Floods on long-term care insurance costs in Japan: retrospective cohort study. BMC Public Health, BMC Public Health, 22(1), 341, 2022
  69. The 2018 Japan Floods increased the frequency of Yokukansan prescriptions among elderly: a retrospective cohort study., Front Nutr., 24(8), 777330, 2022
  70. The effect of the 2018 Japan Floods on cognitive decline among long-term care insurance users in Japan: a retrospective cohort study., Environ Health Prev Med, 26(1), 113., 2021
  71. Cardiovascular prognosis in drug-resistant hypertension stratified by 24-hour ambulatory blood pressure: the JAMP Study., Hypertension, 78(6), 1781-1790, 2021
  72. Predictive variables for hemodialysis and death in Japanese spotted fever, and the association between distance from rivers and incidence., Ticks Tick Borne Dis, 12(1), 101544, 2021
  73. Effect and significance of incorporating access in estimating the number of required physicians: focus on differences in population density in the target area., Int J Health Geogr, 20(1), 21, 2021
  74. Low creatinine levels in diabetes mellitus among older individuals: the Yuport Health Check-up Study., Scientific Reports, 11(1), 15167, 2021
  75. A Study of the Structure of Japanese University Students' Awareness of Long-Term Care Socialization., Healthcare, 9(9), 1106, 2021
  76. Serum alanine transaminase as a predictor of type 2 diabetes incidence: the Yuport prospective cohort study., Tohoku J Exp Med, 251(3), 183-191, 2020
  77. Levels of fasting plasma glucose in non-hospitalized older people with high HbA1c levels., J Diabetes Investig, 11(3), 750-751, 2020
  78. Low hemoglobin A1c and low BMI are associated with dementia and ADL disability among Japanese nursing home diabetic residents., Geriatr Gerontol Int, 19(9), 854-860, 2019
  79. White blood cell count and C-reactive protein independently predicted incident diabetes: Yuport Medical Checkup Center Study, Endocr Res, 44(4), 127-137, 2019
  80. The emigration of regional quota graduates of Japanese medical schools to non-designated prefectures: a prospective nationwide cohort study., BMJ Open, 9, e029335, 2019
  81. Geographical distribution of family physicians in Japan: A nationwide cross-sectional study, BMC Fam Pract, 20(1), 147, 2019
  82. Factors associated with gastric black spot, white flat elevated mucosa, and cobblestone-like mucosa: a cross-sectional study., Digestion, 98(3), 185-193, 2018
  83. Five cases of familial Mediterranean fever in Japan: relationship with MEFV mutations., Internal Med, 57(16), 2425-2429, 2018
  84. Board certification and urban-rural migration of physicians in Japan, BMC HEALTH SERVICES RESEARCH, 18, 2018
    Link to Paper Search Results by DOI
  85. Low serum creatinine level is a type 2 diabetes risk factor in men and women: Yuport Health Checkup Center Cohort Study., Diabetes Metab, in press, 2017
  86. Internal medicine board certification and career pathways in Japan, BMC MEDICAL EDUCATION, 17, 2017
    Link to Paper Search Results by DOI
  87. Have the tsunami and nuclear accident following the Great East Japan Earthquake affected the local distribution of hospital physicians?, PLOS ONE, 12(5), 2017
    Link to Paper Search Results by DOI
  88. The Vanguard of Community-based Integrated Care in Japan: The Effect of a Rural Town on National Policy, INTERNATIONAL JOURNAL OF INTEGRATED CARE, 17, 2017
    Link to Paper Search Results by DOI
  89. Characteristics of Physician Outflow from Disaster Areas following the Great East Japan Earthquake, PLOS ONE, 12(1), 2017
    Link to Paper Search Results by DOI
  90. Rural health in Japan: past and future., Rural Remote Health, 17, 4521, 2017
  91. Career pathways of board-certified surgeons in Japan, SURGERY TODAY, 46(6), 661-667, 201606
    Link to Paper Search Results by DOI
  92. The effect of concentrating obstetrics services in fewer hospitals on patient access: a simulation, INTERNATIONAL JOURNAL OF HEALTH GEOGRAPHICS, 15, 2016
    Link to Paper Search Results by DOI
  93. Prevalence and characteristics of non-obese diabetes in Japanese men and women: the Yuport Medical Checkup Center Study, JOURNAL OF DIABETES, 7(4), 523-530, 201507
    Link to Paper Search Results by DOI
  94. Supporting rural remote physicians to conduct a study and write a paper: Experience of Clinical Research Support Team (CRST)-Jichi, RURAL AND REMOTE HEALTH, 14(3), 2014
    Link to Paper Search Results by DOI
  95. Non-physician communities in Japan: are they still disadvantaged?, RURAL AND REMOTE HEALTH, 14(3), 2014
    Link to Paper Search Results by DOI
  96. Do Non-Glycaemic Markers Add Value to Plasma Glucose and Hemoglobin A1c in Predicting Diabetes? Yuport Health Checkup Center Study, PLOS ONE, 8(6), 2013
    Link to Paper Search Results by DOI
  97. Persistent fasting hyperglycaemia is more predictive of Type 2 diabetes than transient fasting hyperglycaemia, DIABETIC MEDICINE, 29(7), E75-E81, 201207
    Link to Paper Search Results by DOI
  98. Concordance of Two Diabetes Diagnostic Criteria Using Fasting Plasma Glucose and Hemoglobin A1c: The Yuport Medical Checkup Centre Study, PLOS ONE, 7(10), 2012
    Link to Paper Search Results by DOI
  99. US Cardiologist Workforce From 1995 To 2007: Modest Growth, Lasting Geographic Maldistribution Especially In Rural Areas, HEALTH AFFAIRS, 30(12), 2301-2309, 201112
    Link to Paper Search Results by DOI
  100. Risk chart for estimating ten-year risk of stroke in rural community residents: the JMS Cohort Study., J Epidemiology, 19(2), 101-106, 2009
  101. Transition of physician distribution (1980-2002) in Japan and factors predicting future rural practice., Rural Remote Health, 9(2), 1070, 2009
  102. The threshold for definition of impaired fasting glucose in a Japanese population., Diabet Med, 26(11), 1175-1178, 2009
  103. Plasma adiponectin level and myocardial infarction: the JMS Cohort Study., J Epidemiol, 19(2), 49-55, 2009
  104. Fasting plasma glucose and HbA1c as risk factors for type 2 diabetes., Diabet Med, 25, 1157-1163, 2008
  105. Elevated liver enzymes in women with a family history of diabetes., Diab Res Clin Pract, 79(3), e4-7, 2008
  106. Primary care education in Japan: is it enough to increase student interest in a career in primary care?, Educ Prim Care, 18(2), 156-164, 2007
  107. Evaluation of a medical school for rural areas., J Rural Health, 23(3), 183-187, 2007
  108. The combination of fasting plasma glucose and glycosylated hemoglobin predicts type 2 diabetes in Japanese workers., Diab Res Clin Pract, 77(3), 451-458, 2007
  109. Increased intima media thickness and atherosclerotic plaques in the carotid artery as risk factors for silent brain infarcts., J Stroke Cerebrovasc Dis, 16(1), 14-20, 2007
  110. Absence of outdoor activity and mortality risk in older adults living at home., J Aging and Phys Act, 14(2), 203-211, 2006
  111. Short term locum tenens for rural practice: a trial of a Japanese medical school., Aust J Rural Health, 10(2), 80-86, 2002
  112. Homebound status in a community-dwelling elderly population in Japan, Asia Pac J Public Health, 13(2), 109-115, 2001

Awards

  1. 2012/03, Teacher of the Year, Faculty of Medicine, Hiroshima University
  2. 2010/03, Butterfield Award for UK-Japan Collaboration in Medical Research, The Great Britain Sasakawa Foundation
  3. 2005, Msc dissertation with distinction, University of Oxford

External Funds

Acceptance Results of Competitive Funds

  1. JSPS Two-country collaboration project (New Zealand), 2024, 2026
  2. KAKENHI(Grant-in-Aid for Scientific Research (C)), 2023, 2028
  3. 2018, 2023
  4. 2018, 2019
  5. KAKENHI, 2013, 2018
    Permalink
  6. Research Grant, 2010, 2012
  7. 2011, 2012
  8. KAKENHI, A comprehensive study on geographic distribution and effective supply of physicians in Hiroshima prefecture, 2011, 2013
    Permalink
  9. KAKENHI, A comprehensive study on geographic distribution and effective supply of physicians., 2009, 2011
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  10. 2008, 2009
  11. 2007
  12. 2008
  13. KAKENHI(Grant-in-Aid for Scientific Research (B)), 2026, 2029
  14. KAKENHI(Grant-in-Aid for Scientific Research (B)), 2025, 2028
  15. KAKENHI(Grant-in-Aid for Scientific Research (C)), 2025, 2029
  16. 2024, 2026
  17. 2023, 2023
  18. 2019, 2022
  19. 2018, 2020
  20. 2018, 2020
  21. 2018, 2020
  22. 2018, 2019
  23. 2016, 2018
  24. 2016, 2017
  25. 2015, 2015
  26. 2014, 2015
  27. 2013, 2013
  28. KAKENHI, 2013, 2015
    Permalink
  29. 2012, 2013
  30. KAKENHI, Feedback of the results about risk factors of cardiovascular diseases in Japanese, 2006, 2008
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Social Activities

History as Committee Members

  1. 2020, Visitng Professor， Jichi Medical University

History as Peer Reviews of Academic Papers

  1. 2009, Rural and Remote Health, Chief editor, The Asian Regional Editor