We welcome English Speakers!

koga clinic for internal and respiratory medicine


  • Drive

800m north of Asakura ramp in Oita highway, 200m north of Hiramatsu intersection on route 386

  • Public transportation

Nearest bus station: Hiramatsu-chuugakkou (meaning Hiramatsu junior high school), five minutes on foot

Nearest train terminal: Nishitetsu Amagi station (on Nishitetsu Amagi Line), twenty minutes drive


  • Internal Medicine (Board certified)

Management of hypertension, diabetes, cardiovascular conditions (except in acute phase), gastrointestinal diseases, etc...general internal medicine 

  • Respiratory Medicine (Board certified)

Specialized in chronic obstructive pulmonary disease (COPD), interstitial lung diseases, obstructive sleep apnea syndrome (OSAS), respiratory infections

  • Allergy (Board certified)

Expert in asthma, allergic rhinitis, and other allergic conditions such as urticaria, atopic dermatitis.

  • Infectious Diseases (Board certified)

Knowledge and experience cover not only common but also rare infectious diseases 


It's our policy to pay attention not only to the medical condition but also to the concerns of the patients and their families/care givers.

We are ready to serve patients by using full range of knowledge, skills, and capabilities as a medical professional and a human, and it's our great pleasure and honor if patients feel better by visiting us.

Patients who feel more comfortable to communicate in English than in  Japanese are very welcome.

●New Building

Founded in 2016 with an emphasis on the comfort and convenience for the visitors.