Mountain States Health Alliance Officials Said Two Agreements, Which Includes A Partnership With Healthsouth Corporation, Will Increase Services At Quillen Rehabilitation Hospital. The Rehabilitation Center Has 26 Inpatient Beds And Healthsouth Would Add On At Least Ten Beds To Help Serve The Needs Of The Community. Meanwhile, Msha Has Signed A Letter Of Intent With Signature Healthcare To Develop An Assisted Living Community And Skilled Nursing Facility On The Campus Of The Old North Side Hospital On Princeton Road In Johnson City.