| 1973 | Jan. | Tokuda Hospital (current Matsubara Tokushukai Hospital) was established in Matsubara City, Osaka |
| 1975 | Jan. | Tokushukai, a medical corporation, was established |
| Oct. | Nozaki Hospital (current Nozaki Tokushukai Hospital) was established in Daito City, Osaka | |
| 1976 | Oct. | Tokyo Head Office was established in Sanno Grand Building in Nagata-cho, Tokyo |
| 1977 | May | Kishiwada Tokushukai Hospital was established in Kishiwada City, Osaka |
| Nov. | Osaka Head Office was established in Yodoko Building in Hommachi, Osaka | |
| 1978 | Jun. | Okinawa Tokushukai, a medical corporation, was established in Okinawa |
| Jul. | Yao Tokushukai Hospital (current Yao Tokushukai General Hospital) was established in Yao City, Osaka | |
| 1979 | Jun. | Nambu Tokushukai Hospital of Okinawa Tokushukai was established in Okinawa |
| Sister-hospital relationship was built with the Queens Medical Center in Hawaii | ||
| Oct. | Fukuoka Tokushukai Hospital was established in Kasuga City, Fukuoka | |
| Dec. | Uji Tokushukai Hospital was established in Uji City, Kyoto | |
| 1980 | Jun. | Chigasaki Tokushukai Hospital (current Chigasaki Tokushukai Medical Center) was established in Chigasaki City, Kanagawa |
| 1981 | Mar. | Yamato Tokushukai Hospital was established in Yamato City, Kanagawa |
| Apr. | Authorized as a specified medical corporation | |
| 1983 | May | Sapporo Tokushukai Hospital was established in Sapporo City, Hokkaido |
| Sep. | Hanyu Hospital(current Hanyu General Hospital)l of Saitama Medical Health Corporation was established in Hanyu City, Saitama | |
| 1986 | Feb. | Sapporo Higashi Tokushukai Hospital was established in Sapporo City, Hokkaido |
| Sendai Tokushukai Hospital was established in Sendai City, Miyagi | ||
| May | Kobe Tokushukai Hospital was established in Kobe City, Hyogo | |
| Tarumi Tokushukai Hospital was established in Tarumi City, Kagoshima | ||
| Jun. | Nagoya Tokushukai Hospital (current Nagoya Tokushukai General Hospital) was established in Kasugai City, Nagoya | |
| Chiba Tokushukai Hospital was established in Funabashi City, Chiba | ||
| Oct. | Tokunoshima Tokushukai Hospital was established in Tokunoshima-cho, Oshima-gun, Kagoshima | |
| Nov. | Nagasaki Kita Tokushukai Hospital was established in Nagasaki City, Nagasaki | |
| 1987 | Apr. | Kagoshima Tokushukai Hospital was established in Kagoshima City, Kagoshima |
| 1988 | Apr. | Chubu Tokushukai Hospital was established in Okinawa City, Okinawa |
| Aug. | Oosumi-Kanoya Tokushukai Hospital (current Oosumi-Kanoya Hospital) was established in Kanoya City, Kagoshima | |
| Nov. | Shonan Kamakura Hospital (current Shonan Kamakura General Hospital) was established in Kamakura City, Kanagawa | |
| 1990 | Feb. | Chibanishi Hospital (current Chibanishi-General Hospital) was established in Matsudo City, Chiba |
| May | Okinoerabu Tokushukai Hospital was established in China-cho, Oshima-gun, Kagoshima | |
| Oct. | Seijinkai Shizunai Hospital was established in Shizunai-gun, Hokkaido | |
| 1991 | Aug. | Kikai Tokushukai Hospital was established in Kikai-cho, Oshima-gun, Kagoshima |
| Shonai Amarume Hospital was established in Amarume-cho, Higashitagawa-gun, Yamagata | ||
| 1994 | Sep. | Naze Hospital (current Naze Tokushukai Hospital) was established in Naze City, Kagoshima |
| 1995 | Apr. | Tokushukai Health Insurance Association was established in Hommachi, Osaka |
| 1996 | Jan. | Sapporo Minami Seishu Hospital was established in Sapporo City, Hokkaido |
| Yoron Hospital (current Yoron Tokushukai Hospital) was established in Oshima-gun, Kagoshima | ||
| Mar. | Kawaminami Hospital was established in Kawaminami-cho, Koyu-gun, Miyazaki | |
| 1997 | Mar. | Nakazawa Hospital was established in Imba-gun, Tomisato-machi, Chiba |
| Jul. | Yakushima Tokushukai Hospital was established in Kamiyaku-cho, Kumage-gun, Kagoshima | |
| Aug. | Aishinkai Futsukaichi Hospital was established in Chikushino City, Fukuoka | |
| Sep. | Koseikai Hospital was established in Higashi-osaka City, Osaka | |
| Dec. | Naze Tokushukai Hospital was established in Naze City, Kagoshima | |
| 1998 | Feb. | Sanpoku Tokushukai Hospital was established in Sanpoku-cho, Iwafune-gun, Nigata |
| Mar. | Yamato Seishu Hospital was established in Yamato City, Kanagawa | |
| Apr. | Kasari Hospital was established in Kasari-cho, Oshima-gun, Kagoshima | |
| Dec. | Shinjo Tokushukai Hospital was established in Shinjo City, Yamagata | |
| 1999 | Oct. | Setouchi Tokushukai Hospital was established in Setouchi-cho, Oshima-gun, Kagoshima |
| 2000 | May | Hayama Heart Center was established in Hayama-cho, Miura-gun, Kanagawa |
| Yokkaichi Seishu Hospital was established in Yokkaichi City, Mie | ||
| Jul. | Kyoaikai Hospital was established in Hakodate City, Hokkaido | |
| Aug. | Aisei Hospital was established in Shizunai-cho, Shizunai-gun, Hokkaido | |
| Sep. | Niihama Seishu Hospital was established in Niihama City, Ehime | |
| Dec. | Minano Hospital was established in Minano-machi, Chichibu-gun, Saitama | |
| 2001 | Apr. | Sanwa Memorial Hospital (current Koga Hospital) was established in Sanwa-machi, Sashima-gun, Ibaraki |
| Miyakojima Tokushukai Hospital was established in Hirara City, Okinawa | ||
| Jun. | Obihiro Tokushukai Hospital was established in Kato-gun, Hokkaido | |
| Nov. | Shirane Tokushukai Hospital was established in Shirane-machi, Nakakoma-gun, Yamanashi | |
| 2002 | Aug. | Hino Hospital was established in Yokohama City, Kanagawa |
| 2003 | Jul. | Takasago Seibu Hospital was established in Takasago City, Hyogo |
| Sep. | Omi Kusatsu Tokushukai Hospital was established in Kusatsu City, Shiga | |
| 2004 | Apr. | Uwajima Tokushukai Hospital was established in Uwajima City, Ehime |
| Ishigakijima Tokushukai Hospital was established in Ishigakijima City, Okinawa | ||
| Sep. | Yamagata Tokushukai Hospital was established in Yamagata City, Yamagata | |
| 2005 | Apr. | Shizuoka Tokushukai Hospital was established in Shizuoka City, Shizuoka |
| Sep. | Tokyowest Tokushukai Hospital was established in Akishima City, Tokyo | |
| Shonanatsugi Hospital was established in Atsugi City, Kanagawa | ||
| Nov. | Yotsukaidou Tokushukai Hospital was established in Yotsukaido City, Chiba | |
| 2006 | Apr. | Izumo Tokushukai Hospital was established in Hikawa-cho, Hikawa-gun, Shimane |
| Sep. | Yamakawa Hospital was established in Yamakawa-cho, Ibusuki-gun, Kagoshima | |
| Dec. | Tokushukai Sofia Hospital was established in Sofia City, Bulgaria | |
| 2007 | Sep. | Kamagaya General Hospital was established in Kamagaya City, Chiba |
| 2008 | Apr. | Ogaki Tokushukai Hospital was established in Ogaki City, Gifu |
Tokushukai, Ltd.
Dainichi-Koujimachi Building, 2nd Floor
4-6-8 Kouji-Machi, Chiyoda Ward, Tokyo
102-0093 Japan