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Ishikawa Tomoki  石川 智基

Researcher Number 90802661
Other IDs
  • ORCIDhttps://orcid.org/0000-0001-8725-6508
Affiliation (Current) 2026: 旭川医科大学, 医学部, 講師
Affiliation (based on the past Project Information) *help 2022 – 2024: 一般財団法人医療経済研究・社会保険福祉協会(医療経済研究機構(研究部)), 研究部, 主席研究員
2020 – 2021: 一般財団法人医療経済研究・社会保険福祉協会(医療経済研究機構(研究部)), 研究部, 主任研究員
2019: 一般財団法人医療経済研究・社会保険福祉協会(医療経済研究機構(研究部)), 医療経済研究機構, 研究員
2018: 一般財団法人医療経済研究・社会保険福祉協会(医療経済研究機構(研究部)), 研究部, 研究員
Review Section/Research Field
Principal Investigator
Basic Section 58010:Medical management and medical sociology-related
Keywords
Principal Investigator
レセプトデータ / 医療提供体制 / 医療経済・政策 / ネットワーク分析 / 医療連携 / 医療管理学 / 医療政策 / NDB / 地域医療 / 医療・介護 … More / 医療・介護データ / 保健医療行政 / 保健医療政策 / 病院管理学 / 推計 / シミュレーション / 公的統計 / 医療情報 / 二次利用 / 大規模医療データベース Less
  • Research Projects

    (3 results)
  • Research Products

    (43 results)
  • Co-Researchers

    (6 People)
  •  Development of Large-Scale Receipt Data Analysis Technology to Assess Higher-Order Healthcare Supply and Demand in Support of Patient-sharing PoliciesPrincipal Investigator

    • Principal Investigator
      石川 智基
    • Project Period (FY)
      2024 – 2026
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Review Section
      Basic Section 58010:Medical management and medical sociology-related
    • Research Institution
      Institute for Health Economics and Policy, Association for Health Economics Rsearch and Social Insurance and Welfare
  •  Development of a supply and demand assessment method using NDB and combination medical and Long-term care data for regional resource allocation planningPrincipal Investigator

    • Principal Investigator
      Tomoki Ishikawa
    • Project Period (FY)
      2021 – 2023
    • Research Category
      Grant-in-Aid for Early-Career Scientists
    • Review Section
      Basic Section 58010:Medical management and medical sociology-related
    • Research Institution
      Institute for Health Economics and Policy, Association for Health Economics Rsearch and Social Insurance and Welfare
  •  Development of methodology for evaluation supply and demand in community healthcare: Construction of prediction model using NDBPrincipal Investigator

    • Principal Investigator
      Ishikawa Tomoki
    • Project Period (FY)
      2018 – 2021
    • Research Category
      Grant-in-Aid for Early-Career Scientists
    • Review Section
      Basic Section 58010:Medical management and medical sociology-related
    • Research Institution
      Institute for Health Economics and Policy, Association for Health Economics Rsearch and Social Insurance and Welfare

All 2025 2024 2023 2022 2021 2020 2019 2018

All Journal Article Presentation

  • [Journal Article] Analyzing Patient-Sharing Network Using an Administrative Claim Database in Japan2024

    • Author(s)
      Ishikawa Tomoki、Kako Akihito、Yoshimoto Hiromasa、Hattori Junko、Goda Kazuo、Mitsutake Naohiro
    • Journal Title

      Studies in Health Technology and Informatics

      Volume: 310 Pages: 1126-1130

    • DOI

      10.3233/shti231140

    • ISBN
      9781643684567, 9781643684574
    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-21K17240
  • [Journal Article] Changes in Demand Volume and Patient/Health Care Provider Characteristics of First-Time Telehealth Users: A Comparative Analysis Before and After the COVID-19 Policy Response Using the Administrative Claims Database2024

    • Author(s)
      Ishikawa Tomoki、Sato Jumpei、Hattori Junko、Goda Kazuo、Kitsuregawa Masaru、Mitsutake Naohiro
    • Journal Title

      Telemedicine and e-Health

      Volume: 30 Issue: 2 Pages: 509-517

    • DOI

      10.1089/tmj.2023.0118

    • Data Source
      KAKENHI-PROJECT-21K17240
  • [Journal Article] Association between choices of transportation means and instrumental activities of daily living: observational cohort study of community-dwelling older adults2023

    • Author(s)
      Tamura Motoki、Tomoki Ishikawa、Matsumoto Komaki、Hattori Shinji
    • Journal Title

      BMC Public Health

      Volume: 23 Issue: 1

    • DOI

      10.1186/s12889-022-14671-y

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-21K17240
  • [Journal Article] The Association Between Telehealth Utilization and Policy Responses on COVID-19 in Japan: Interrupted Time-Series Analysis2022

    • Author(s)
      Ishikawa Tomoki、Sato Jumpei、Hattori Junko、Goda Kazuo、Kitsuregawa Masaru、Mitsutake Naohiro
    • Journal Title

      Interactive Journal of Medical Research

      Volume: 11 Issue: 2 Pages: e39181-e39181

    • DOI

      10.2196/39181

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-21K17240
  • [Journal Article] Prevalence of hypertensive diseases and treated hypertensive patients in Japan: A nationwide administrative claims database study2022

    • Author(s)
      Waki Takashi、Miura Katsuyuki、Tanaka-Mizuno Sachiko、Ohya Yusuke、Node Koichi、Itoh Hiroshi、Rakugi Hiromi、Sato Jumpei、Goda Kazuo、Kitsuregawa Masaru、Ishikawa Tomoki、Mitsutake Naohiro
    • Journal Title

      Hypertension Research

      Volume: 45 Issue: 7 Pages: 1123-1133

    • DOI

      10.1038/s41440-022-00924-1

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-21K17240
  • [Journal Article] Monthly trends and seasonality of hemodialysis treatment and outcomes of newly initiated patients from the national database (NDB) of Japan2022

    • Author(s)
      Tsunoda Ryoya、Mitsutake Naohiro、Ishikawa Tomoki、Sato Jumpei、Goda Kazuo、Nakashima Naoki、Kitsuregawa Masaru、Yamagata Kunihiro
    • Journal Title

      Clinical and Experimental Nephrology

      Volume: - Issue: 7 Pages: 669-677

    • DOI

      10.1007/s10157-022-02202-3

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-18K17308
  • [Journal Article] Predicting demand for long-term care using Japanese healthcare insurance claims data2022

    • Author(s)
      Sato Jumpei、Mitsutake Naohiro、Kitsuregawa Masaru、Ishikawa Tomoki、Goda Kazuo
    • Journal Title

      Environ Health Prev Med

      Volume: 27 Issue: 0 Pages: 42-42

    • DOI

      10.1265/ehpm.22-00084

    • ISSN
      1342-078X, 1347-4715
    • Language
      English
    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-21K17240
  • [Journal Article] Trend of Gini coefficient of healthcare resources in China from 1998 to 20162021

    • Author(s)
      Yang Yuchen、Morii Yasuhiro、Fujiwara Kensuke、Ishikawa Tomoki、Yamashina Hiroko、Suzuki Teppei、Nakaya Jun、Ogasawara Katsuhiko
    • Journal Title

      Journal of Hospital Management and Health Policy

      Volume: 5 Pages: 40-40

    • DOI

      10.21037/jhmhp-20-93

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-18K17308
  • [Journal Article] Possibility of introducing telemedicine services in Asian and African countries2020

    • Author(s)
      Suzuki Teppei、Hotta Jyuri、Kuwabara Tomomi、Yamashina Hiroko、Ishikawa Tomoki、Tani Yuji、Ogasawara Katsuhiko
    • Journal Title

      Health Policy and Technology

      Volume: 9 Issue: 1 Pages: 13-22

    • DOI

      10.1016/j.hlpt.2020.01.006

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-18K17308
  • [Journal Article] Study on International Statistical Indicators using the National Database of Health Insurance Claims and Specific Health Checkups of Japan2020

    • Author(s)
      満武 巨裕、石川 智基、佐藤 淳平、合田 和生、喜連川 優
    • Journal Title

      Japan Journal of Medical Informatics

      Volume: 39 Issue: 4 Pages: 189-194

    • DOI

      10.14948/jami.39.189

    • NAID

      130008030386

    • ISSN
      0289-8055, 2188-8469
    • Year and Date
      2020-04-20
    • Language
      Japanese
    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-18K17308
  • [Journal Article] Simulating Cost-effectiveness of Continuous Glucose Monitoring Mobile Application for Patient with Type 2 Diabetes Mellitus2020

    • Author(s)
      Shintaro Tsuji, Hongjian Zhang, Teppei Suzuki, Tomoki Ishikawa, Yasuhiro Morii, Takumi Tanikawa, Jun Nakaya, Katsuhiko Ogasawara.
    • Journal Title

      Journal of Medical Internet Research

      Volume: 22 Issue: 9 Pages: e16053-e16053

    • DOI

      10.2196/16053

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-18K09934, KAKENHI-PROJECT-20K10383, KAKENHI-PROJECT-18K17308
  • [Journal Article] Projecting supply and demand for pharmacists in pharmacies based on the number of prescriptions and system dynamics modeling2020

    • Author(s)
      Morii Yasuhiro、Furuta Seiichi、Ishikawa Tomoki、Fujiwara Kensuke、Yamashina Hiroko、Ogasawara Katsuhiko
    • Journal Title

      Human Resources for Health

      Volume: 18 Issue: 1

    • DOI

      10.1186/s12960-020-00524-5

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-18K17308
  • [Journal Article] Cost comparison between open radical cystectomy, laparoscopic radical cystectomy, and robot-assisted radical cystectomy for patients with bladder cancer: a systematic review of segmental costs2019

    • Author(s)
      Morii Yasuhiro、Osawa Takahiro、Suzuki Teppei、Shinohara Nobuo、Harabayashi Toru、Ishikawa Tomoki、Tanikawa Takumi、Yamashina Hiroko、Ogasawara Katsuhiko
    • Journal Title

      BMC Urology

      Volume: 19 Issue: 1 Pages: 110-110

    • DOI

      10.1186/s12894-019-0533-x

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-18K09155, KAKENHI-PROJECT-18K17308
  • [Journal Article] Projecting future supply and demand for physical therapists in Japan using system dynamics2019

    • Author(s)
      Morii Yasuhiro、Ishikawa Tomoki、Suzuki Teppei、Tsuji Shintaro、Yamanaka Masanori、Ogasawara Katsuhiko、Yamashina Hiroko
    • Journal Title

      Health Policy and Technology

      Volume: 8 Issue: 2 Pages: 118-127

    • DOI

      10.1016/j.hlpt.2019.05.003

    • NAID

      120006864493

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-18K17308
  • [Journal Article] Relationship between accessibility and resources to treat acute ischemic stroke. Hokkaido, Japan: Analysis of inequality and coverage using geographic information systems2019

    • Author(s)
      Ishikawa Tomoki、Mizuguchi Hiro、Murayama Hiroshi、Fujiwara Kensuke、Tanikawa Takumi、Kobayashi Eiichi、Ogasawara Katsuhiko
    • Journal Title

      Health Policy and Technology

      Volume: 8 Issue: 4 Pages: 337-342

    • DOI

      10.1016/j.hlpt.2019.10.001

    • NAID

      120006891506

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-18K17308
  • [Journal Article] Cost Effectiveness of Drive and Retrieve System in Hokkaido for Acute Ischemic Stroke Patient Treatment Using Geographic Information System2019

    • Author(s)
      Morii Yasuhiro、Osanai Toshiya、Ishikawa Tomoki、Fujiwara Kensuke、Tanikawa Takumi、Houkin Kiyohiro、Kobayashi Eiichi、Ogasawara Katsuhiko
    • Journal Title

      Journal of Stroke and Cerebrovascular Diseases

      Volume: 28 Issue: 8 Pages: 2292-2301

    • DOI

      10.1016/j.jstrokecerebrovasdis.2019.05.020

    • NAID

      120006882077

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-18K17308
  • [Journal Article] Where Does Telemedicine Achieve a Cost Reduction Effect? Cost Minimization Analysis of Teleradiology Services in Japan2019

    • Author(s)
      Takumi Tanikawa, Reina Suzuki, Teppei Suzuki, Tomoki Ishikawa, Hiroko Yamashina, ShintaroTsuji, Katsuhiko Ogasawara
    • Journal Title

      Telemedicine and e-Health

      Volume: Ahead of Print Issue: 12 Pages: 1174-1182

    • DOI

      10.1089/tmj.2018.0244

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-17K09242, KAKENHI-PROJECT-18K17308
  • [Journal Article] Forecasting maldistribution of human resources for healthcare and patients in Japan: a utilization-based approach2019

    • Author(s)
      Ishikawa Tomoki、Nakao Yuji、Fujiwara Kensuke、Suzuki Teppei、Tsuji Shintaro、Ogasawara Katsuhiko
    • Journal Title

      BMC Health Services Research

      Volume: 19 Issue: 1 Pages: 653-653

    • DOI

      10.1186/s12913-019-4470-x

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-18K17308
  • [Presentation] 大規模レセプトデータを使用した画像診断機器の需給地域差分析2025

    • Author(s)
      石川 智基
    • Organizer
      第24回日本医療情報学会北海道支部会学術大会
    • Data Source
      KAKENHI-PROJECT-24K13383
  • [Presentation] Development of a modeling method based on real-world data to support policy-making related to regional healthcare collaboration: Implementation of a visualization application for providing data-driven insights2024

    • Author(s)
      Tomoki Ishikawa, Hiromasa Yoshimoto, Junko Hattori, Kazuo Goda, Naohiro Mitsutake
    • Organizer
      17th Annual Conference on the Science of Dissemination and Implementation
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-24K13383
  • [Presentation] 脳梗塞患者における医療連携の実態可視化および構造評価:レセプトデータベースを用いたネットワーク構造モデル開発の試み2024

    • Author(s)
      石川 智基, 賀好 昭仁, 吉本 廣雅, 服部 純子, 合田 和生, 満武 巨裕
    • Organizer
      第44回医療情報学連合大会(第25回日本医療情報学会学術大会
    • Data Source
      KAKENHI-PROJECT-24K13383
  • [Presentation] 要介護高リスク者把握のための地域在住高齢者悉皆調査における次年度調査未回答者の特徴2023

    • Author(s)
      西田和正、浜田将太、石川智基、土屋瑠見子、北村智美、田口怜奈、岩上将夫、服部真治
    • Organizer
      第33回日本疫学会学術総会
    • Data Source
      KAKENHI-PROJECT-21K17240
  • [Presentation] Analyzing patient-sharing network using an administrative claim database in Japan2023

    • Author(s)
      Tomoki Ishikawa , Akihito Kako , Hiromasa Yoshimoto , Junko Hattoric , Kazuo Goda , Naohiro Mitsutake
    • Organizer
      MedInfo 2023 -the 19th world congress on medical and health
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-21K17240
  • [Presentation] 訪問薬剤師の初回介入時点における患者特性:医療・介護連結データ解析2023

    • Author(s)
      田口怜奈、浜田将太、土屋瑠見子、石川智基、北村智美、西田和正、服部真治
    • Organizer
      日本薬学会第143年会
    • Data Source
      KAKENHI-PROJECT-21K17240
  • [Presentation] 急性期脳梗塞患者の搬送方法が治療へのアクセシビリティに及ぼす影響 ―地理情報システムを用いたシミュレーション―2022

    • Author(s)
      森井康博、長内俊也、藤原健祐、高宮宗一朗、坂東恭平、谷川琢海、谷祐児、佐藤広崇、大橋和貴、石川智基、小笠原克彦
    • Organizer
      第42回医療情報学連合大会・第23回日本医療情報学会学術大会
    • Data Source
      KAKENHI-PROJECT-21K17240
  • [Presentation] レセプトデータを用いた遠隔診療初回利用患者の特性分析:COVID-19に対する政策対応前後の比較2022

    • Author(s)
      石川 智基, 満武 巨裕, 佐藤 淳平, 服部 純子, 合田 和生, 喜連川 優
    • Organizer
      第26回日本医療情報学会春季学術大会 シンポジウム2022
    • Data Source
      KAKENHI-PROJECT-21K17240
  • [Presentation] グラフ構造に基づく画像診断機器に関する共同利用の評価:レセプトデータを用いたネットワーク分析2022

    • Author(s)
      石川 智基, 佐藤 淳平, 合田 和生, 森井 康博, 小笠原 克彦, 喜連川 優, 満武 巨裕
    • Organizer
      第42回医療情報学連合大会・第23回日本医療情報学会学術大会
    • Data Source
      KAKENHI-PROJECT-21K17240
  • [Presentation] NDB オープンデータを用いた疾患別リハビリテーション利用の地域差に関する生態学的研究2022

    • Author(s)
      森井康博、安彦かがり、石川智基、藤原健祐、此村恵子、小笠原克彦
    • Organizer
      第26回日本医療情報学会春季学術大会 シンポジウム2022
    • Data Source
      KAKENHI-PROJECT-21K17240
  • [Presentation] NDBオープンデータを用いたリハビリテーション従事者需給に関する生態学的研究2021

    • Author(s)
      森井 康博、石川 智基、藤原 健祐、此村 恵子、小笠原 克彦
    • Organizer
      第41回 医療情報学連合大会・第22回日本医療情報学会学術大会
    • Data Source
      KAKENHI-PROJECT-18K17308
  • [Presentation] COVID-19流行下における時限的制度介入が遠隔診療利用に与えた影響の評価 ーレセプトデータを用いた分割時系列解析ー2021

    • Author(s)
      石川 智基 , 満武 巨裕 , 佐藤 淳平 , 服部 純子 , 合田 和生 , 喜連川 優
    • Organizer
      第41回 医療情報学連合大会・第22回日本医療情報学会学術大会
    • Data Source
      KAKENHI-PROJECT-18K17308
  • [Presentation] Glucagon-like peptide-1 receptor agonists decrease cancer incidences in type 2 diabetes: a cohort study using the National Database of Health Insurance Claims of Japan2020

    • Author(s)
      R. Ishibashi, M. Koshizaka, T. Ishikawa, K. Goda, J. Sato, M. Kitsuregawa, K. Yokote, N.Mitsutake
    • Organizer
      European Association for the Study of Diabetes 2020
    • Data Source
      KAKENHI-PROJECT-18K17308
  • [Presentation] Glucagon-like peptide-1 receptor agonists reduce cerebral and cardiovascular events: real world analysis using the National Database of Japan2020

    • Author(s)
      M. Koshizaka, R. Ishibashi, T. Ishikawa, K. Goda, J. Sato, M. Kitsuregawa, K. Yokote, N.Mitsutake
    • Organizer
      N.Mitsutake European Association for the Study of Diabetes 2020
    • Data Source
      KAKENHI-PROJECT-18K17308
  • [Presentation] Estimating the Number of CT and MRI Patients and the Number of Examinations per a Patient; Using NDB (National Database)2020

    • Author(s)
      石川 智基, 佐藤 淳平, 合田 和生, 満武 巨裕
    • Organizer
      JRC2020/ 第76回日本放射線技術学会総会学術大会
    • Data Source
      KAKENHI-PROJECT-18K17308
  • [Presentation] Health Workforce Planning and Predictive Models-Sharing the Japanese experience -2020

    • Author(s)
      Tomoki Ishikawa, Katsuhiko Ogasawara
    • Organizer
      International Symposium Research Workshop health work management
    • Invited
    • Data Source
      KAKENHI-PROJECT-18K17308
  • [Presentation] レセプト情報等データベースを活用した放射線画像診断における利用状況可視化の試み2019

    • Author(s)
      石川 智基
    • Organizer
      第47回日本放射線技術学会秋季学術大会
    • Data Source
      KAKENHI-PROJECT-18K17308
  • [Presentation] レセプト情報等データベースの利活用により作成した国際統計報告に関する検討2019

    • Author(s)
      石川 智基
    • Organizer
      第23回日本医療情報学会春季学術大会 シンポジウム 2019年6月
    • Invited
    • Data Source
      KAKENHI-PROJECT-18K17308
  • [Presentation] 放射線画像検査の利用実態における地域差分析2019

    • Author(s)
      石川 智基
    • Organizer
      第39回医療情報学連合大会
    • Data Source
      KAKENHI-PROJECT-18K17308
  • [Presentation] NDBを活用した大腸がんにおける患者数・医療費推計の試み2019

    • Author(s)
      石川 智基
    • Organizer
      第57回日本医療・病院管理学会
    • Data Source
      KAKENHI-PROJECT-18K17308
  • [Presentation] NDBレセプト情報における死亡時主傷病名と死因統計における原死因の比較検討2018

    • Author(s)
      佐瀬雄治,高塚伸太朗,山口徳藏,石川智基,森井康博、小林永一、小笠原克彦
    • Organizer
      第38回医療情報学連合大会 (第19回医療情報学会学術大会)
    • Data Source
      KAKENHI-PROJECT-18K17308
  • [Presentation] NDB レセプト情報を用いた北海道における死亡前一年間の1 人当たり医療費の分析2018

    • Author(s)
      森井康博、高塚伸太朗、山口徳藏、佐瀬雄治、石川智基、小林永一、小笠原克彦
    • Organizer
      第38回医療情報学連合大会 (第19回医療情報学会学術大会)
    • Data Source
      KAKENHI-PROJECT-18K17308
  • [Presentation] NDB を用いた北海道における死亡前1 年間の医療費の二次医療圏間比較2018

    • Author(s)
      小林 永一、高塚 伸太朗、山口 徳藏、佐瀬 雄治、石川 智基、森井 康博、小笠原 克彦
    • Organizer
      第38回医療情報学連合大会 (第19回医療情報学会学術大会)
    • Data Source
      KAKENHI-PROJECT-18K17308
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    • Author(s)
      鈴木哲平、石川智基、榎本尚司、永井亘、小笠原克彦
    • Organizer
      第38回医療情報学連合大会 (第19回医療情報学会学術大会)
    • Data Source
      KAKENHI-PROJECT-18K17308
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    • Author(s)
      石川 智基、高塚 伸太朗、山口 徳藏、佐瀬 雄治、森井 康博、小林 永一、小笠原 克彦
    • Organizer
      第38回医療情報学連合大会 (第19回医療情報学会学術大会)
    • Data Source
      KAKENHI-PROJECT-18K17308
  • 1.  満武 巨裕 (20501802)
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  • 2.  合田 和生 (80574699)
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    # of Collaborated Products: 2 results
  • 3.  小笠原 克彦 (90322859)
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    # of Collaborated Products: 2 results
  • 4.  TANIKAWA Takumi
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  • 5.  篠原 信雄
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  • 6.  大澤 崇宏
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