00group / kaizen group clinics

KAIZEN Group

KAIZEN Group is a group of medical corporations guided by one idea: make going to the clinic a positive experience. The group runs three clinics in Tokyo and two online care platforms. In November 2026 it will open its fourth clinic, Kids Clinic Marumaru, a pediatric clinic in Jiyugaoka (5 floors across four clinics), and it plans to open a pediatric clinic in Chuo City, Tokyo, in May 2027. PreMed is the group's headquarters.

01clinics

Clinics

no.	clinic	area	specialty	floors	web
01	Ladies Clinic Naminami	Meguro	Obstetrics & gynecology	2 floors (1F, 12F)	naminamicl.jp
02	Jonan Ladies Clinic Shinagawa	Shinagawa-Takanawa	Fertility treatment	1 floor (1F)	johnan-clinic-s.com
03	Jonan Ladies Clinic Hatanodai	Hatanodai	Obstetrics & gynecology	1 floor (1F)	naminamicl.jp
04	Kids Clinic Marumaru	Jiyugaoka	Pediatrics · opening November 2026	1 floor (5F)	marumarucl.jp
05	Pediatric clinic in Chuo City (name TBD)	Chuo City, Tokyo (planned)	Pediatrics · opening May 2027 (planned)	—	—
06	Online care (two platforms)	Nationwide	—	—	—

fig.1 connecting the dots — clinics, japan, and beyondClinic locations (nearest station), straight-line distance from our head office, and where connecting the dots leads. The world view shows the reach we aim for, not existing locations.

For careers, or to discuss clinic transfer and succession, please visit the KAIZEN Group website (Japanese).