Three Rivers Alliance of Community Health Centers ...

UPMC is a large nonprofit American health system headquartered in Pittsburgh, founded in 1893. It operates 40 hospitals, 800+ clinical locations, a 3.8 million-member health plan, and international ventures, with about 100,000+ employees. Its services span tertiary care, rehabilitation, cancer centers, community facilities, retirement/long-term care, health insurance, and health IT. UPMC is affiliated with the University of Pittsburgh and has historically ranked highly in U.S. News & World Report. The organization serves Western and parts of Pennsylvania, neighboring regions, and international sites, with extensive patient resources (billing, telemedicine, classes/events). For contact, UPMC’s main reach is via upmc.com and its Pittsburgh HQ addresses. If you’re seeking information specifically about Matilda H. Theiss Health Center, this summary indicates UPMC’s broader network but does not list individual center details; you may want to search directly for “Matilda H. Theiss Health Center” within UPMC’s locations or call their patient services.