Insurance, Health, and Retirement: Benefits Important to You! Employees joining the National Park Service should explore opportunities for obtaining Health, Life, and Retirement benefits offered to the federal work force. As a new Federal employee, your eligibility varies depending on your type of appointment. To determine your eligibility or to find out additional information regarding your benefits, please contact your local Servicing Human Resources Office (SHRO) or the centralized Benefits Branch located in Colorado at 1-877-642-4743.