Philippine General Hospital is the training hospital for the health colleges of the University of the Philippines Manila. A large facility, it serves approximately 700,000 patients per year. The Philippine Heart Center in Quezon City offers seminars and postgraduate courses to health care professionals. Nearly a million patients have been treated at the Heart Center since it opened its doors in 1975. The Center is also active in community outreach and education. Other health care facilities in the Metro Manila area include the University of Santo Tomas Hospital, the Makati Medical Center, and St. Luke's Medical Center in Quezon City.