Massachusetts General Hospital (Boston). A 999-bed medical center, Massachusetts General admits about 48,000 inpatients and handles nearly 1.5 million outpatient visits each year. Mass General offers a range of employee benefits, including tuition assistance, fitness center access, pet insurance and discounts on tickets and passes for various events and venues. In 2016, DiversityInc named Mass General to its "Top 10 Hospitals and Health Systems" list. Last year, the Boston Globe named Mass General one of the top places to work in Massachusetts for the second consecutive year.