Now with more pressures on family doctors time, they prefer not to visit patients in hospital. The reimbursement is the same for an office or hospital visit. They with with the time and travel. So now hospitals in some areas of the country only see inpatients, Hospitalists. Hospitals offer them so that patients receive continuity of care.
http://www.boston.com/business/articles/2005/02/02/this_doctor_sees_inpatients_only/
http://www.boston.com/business/articles/2005/02/02/this_doctor_sees_inpatients_only/