A Las Vegas hospital that required workers to complete necessary paperwork without pay after their daily shifts ended also manipulated employee time cards to avoid paying overtime, a federal investigation has found. The US Department of Labor’s Wage and Hour Division found Centennial Hills Hospital Medical Center — a subsidiary of Universal Health Services Inc. — violated the Fair Labor Standards Act by failing to pay employees for all hours that they worked. The employer also willfully manipulated workers’ timecards in an attempt to avoid paying overtime by reducing the total number of work hours recorded. Following the investigation, the division recovered $145,402 in back wages for 23 employees. The division also assessed Centennial with $19,090 in penalties for its willful violations and cited the employer for their failure to maintain accurate records of employees’ hours worked.