OPPORTUNITY HIGHLIGHTS   MercyOne North Iowa Medical Center has an excellent full-time employment opportunity for a Board Certified or Board Eligible Rheumatologist to join a practice located in Mason City, Iowa.   The selected candidate will join a very busy practice with one Rheumatologist and one Advanced Practice Provider. This is an outpatient only, general Rheumatology opportunity with non-burdensome call.     Teaching opportunities are available with medical students, ARNP/PA students, and residents.   Our outpatient clinic practice setting is enhanced by close access to inpatients, on site medical imaging, wide range of specialists for consultation, a sleep lab, electronic medical records, PACS