Otsubo Clinic is an internal medicine practice located in Fukai Nakamachi, Naka-ku, Sakai City, Osaka Prefecture. The clinic operates on a two-session schedule, with morning hours from 9:00 to 11:00 and afternoon hours from 13:00 to 17:00. It is open primarily in the first half of the week, with Thursday, Friday, Saturday, and Sunday designated as closed days. The clinic is listed in the "Palliative Care Map" produced by Sakai City, and is recognized in the community as a facility involved in pain and symptom relief for cancer patients as well as support for home medical care. One of its defining characteristics is its commitment to providing care that supports patients' quality of life, with internal medicine as its core offering. English-language support is also available, making it an accessible option for patients who require assistance in languages other than Japanese. On-site parking is available for those traveling by car. As a community-rooted internal medicine clinic, it handles a wide range of needs from everyday health concerns to ongoing care, serving as a familiar medical resource in Naka-ku, Sakai City.