On your paystub, is there Social Security taxes and Medicare taxes being withheld? If so, then you are an employee who should be receiving a W-2, not a Form 1099-MISC.
A Form 1099-MISC is issued to independent contractors only and they are required to pay Self-Employment taxes that cover both the employer's and employee's portion of Social Security and Medicare taxes on their net profits.
Contact the IRS since you have not received your W-2 as required on or before January 31, 2019 for tax year 2018.
Go to this IRS website for information - https://www.irs.gov/taxtopics/tc154
