According to the NY Times, "As many as 30 percent of all patients skip doctor appointments, citing transportation as a key reason, according to a report by SCI Solutions, a health care technology firm...The no-shows cost the health care industry $150 billion in lost revenue annually, as unused time slots cost a doctor an average of $200, the report said." This means companies are responding themselves with transportation solutions. See https://www.nytimes.com/2018/08/09/business/health-care-transportation.html for more information.
According to ULI, "In the Longwood Medical Area, much-needed workspace has been hard to come by for the researchers and entrepreneurs at its medical centers and universities. Office vacancy rates have averaged about 1 percent annually since 2010. More than 110,000 people work or visit the institutions in 213-acre (86 ha) Longwood each day. Hospitals such as Beth Israel Deaconess, Brigham and Women’s, and Boston Children’s Hospital are among the city’s largest employers." Source: "Boston's Fenway/Kenmore Neighborhood and Longwood Medical Center"