Sei Internal Medicine Clinic is an internal medicine clinic located in Niida, Kochi City. From October 1, 2025 to March 31, 2026, the clinic offers COVID-19 vaccinations at 5,100 yen for those aged 65 and above, and 16,000 yen for those aged 64 and below. Since April 2025, regular shingles vaccination has also been available, with the live vaccine at 3,000 yen for a single subcutaneous injection, and the recombinant vaccine at 7,000 yen per dose for two intramuscular injections. The clinic provides various health checkups, including free specific health checkups for those who received an envelope from Kochi City, as well as colorectal cancer screening through fecal occult blood testing. Operating hours are from 9:00 AM to 5:30 PM with a lunch break. English-speaking staff are available, and both credit cards and electronic payments are accepted. Parking is available, and the facility is barrier-free.