9 p.m - 7:30.m., every third weekend is offering up to $15,000 as a sign on bonus to external hires and new grads to this role! About William Beaumont University Hospital William Beaumont University Hospital opened on Jan. 24, 1955 as a 238-bed community hospital. Today, the hospital is a 1,101-bed major academic and referral center with Level I adult trauma and Level II pediatric trauma designations.