Oumi Rheumatic and Collagen Disease Internal Medicine Clinic is an internal medicine clinic located in Nakamuracho, Omihachiman City, Shiga Prefecture, specializing in rheumatic diseases such as rheumatoid arthritis, collagen diseases, gout, and hyperuricemia. The clinic director, a specialist in rheumatology and collagen diseases, utilizes their experience from university and private hospitals to provide an environment where patients with rheumatic and collagen diseases can receive care with peace of mind in the local community. Rheumatic and collagen disease consultations are by appointment only, with new patient appointments available in the afternoons on weekdays. Clinic hours are 9 AM to 12 PM on Monday, Wednesday, Friday, and Saturday; 3 PM to 6 PM on Monday, Wednesday, and Friday; and 4 PM to 6 PM on Tuesday. The clinic is closed on Thursday afternoons, Saturday afternoons, Sundays, and holidays. Second opinion consultations are also available by appointment in the afternoons only and are self-pay. Patients transferring from other hospitals require a referral letter on the day of their visit. The clinic features a parking lot and barrier-free accessibility. English services are available, and the clinic issues medical fee statements free of charge, has introduced the online eligibility verification system, and uses generic drug prescriptions, striving for transparency in healthcare and high-quality medical services.