Located in Kita Ward Oji 2-chome, Kita Ward Oji Clinic is an internal medicine specialty clinic that opened in April 2019, offering excellent access with a 7-minute walk from JR Oji Station North Exit and immediate access to the Oji 3-chome bus stop. Director Dr. Masahiko Iwaoka graduated from Yamanashi University School of Medicine and holds qualifications as a Japan Society of Internal Medicine Certified General Internist, Japan Circulation Society Circulatory System Specialist, MD, and Designated Physician for Intractable Diseases. He has 10 years of experience working in the Department of Cardiology at Tokyo Metropolitan Medical Center. The medical department is internal medicine, providing general internal medicine care as well as examination and treatment for circulatory diseases such as angina, arrhythmia, and valvular disease, and sleep apnea syndrome. As part of preventing onset and progression, smoking cessation clinics are available, and home visit medical care is also provided in the Oji area. Business hours are 10:00-13:00 and 15:00-18:00 on weekdays, and 9:00-12:30 on the 1st and 3rd Saturdays. Morning consultations are accepted until 13:00 to accommodate office lunch breaks. The clinic operates on a complete reservation system, allowing booking of initial visits and regular follow-ups through an online reservation page. Reservations can be made without membership registration, with dedicated slots for initial visits and regular follow-ups. If you have infectious disease symptoms, reservation in an initial visit slot is required, and advance booking by phone or internet is requested. Payment methods include credit cards, transportation electronic money such as Suica and PASMO, and cashless payment methods like iD and QUICKPay. English-language services are available. Medical questionnaires can be downloaded and filled out in advance. Online insurance qualification verification is implemented, and with patient consent, medical history and medication information are obtained and utilized, applying the medical information acquisition fee. When specialized evaluation or hospitalization is required, the clinic coordinates with specialized medical facilities.