In 2000, Canonsburg Hospital joined the former West Penn Allegheny Health System. In 2013, it became a part of Allegheny Health Network. The current 104-bed inpatient facility has undergone several expansions since its 1983 opening: In 1996, a new ambulatory care center was opened; in 2003, the physical therapy department was enlarged; in 2006, the emergency department was expanded to accommodate increased patient volume; and since its affiliation with AHN in 2013, the hospital has opened a sleep lab. The hospital primarily serves residents living in southern Allegheny and northern Washington counties. Canonsburg annually admits over 4,000 patients and logs approximately 21,000 emergency visits, and performs nearly 3,000 surgeries.