Located in Sakae-cho, Kawaguchi City, Saitama Prefecture, Hiro Clinic is an internal medicine clinic founded on the principles of 'becoming a patient advocate' and 'providing evidence-based medical care.' Founded in 2008 by Director Hiroko Oka, who graduated from Toho University School of Medicine in 1997 and subsequently entered the Department of Internal Medicine at Keio University School of Medicine, the clinic now boasts a 20-year track record. It offers comprehensive support ranging from health checkups to cosmetic procedures and genetic testing, with each department collaborating to provide optimal treatment tailored to each individual patient. The clinic has introduced a 24-hour reservation system and online consultations to enhance convenience. Emphasizing 'medical care that treats people, not just diseases,' the clinic supports patients' smiles and health through reliable treatment and a compassionate approach. In addition to English-speaking services and acceptance of credit cards, debit cards, and electronic payments, the facility is barrier-free, accommodating a wide range of patient needs.