NASHVILLE: HealthStream has acquired ShiftWizard Inc., a Raleigh, North Carolina-based company focused on providing a SaaS-based solution that integrates key workforce management capabilities, including scheduling, productivity, and forecasting. HealthStream acquired ShiftWizard, Inc. for approximately $32.0 million in cash, subject to working capital and other customary purchase price adjustments. HealthStream adds to an emerging area of…