Do private hospitals pay social security for performance pay?

Private hospitals will not pay social security for performance pay.

Performance and salary are two different things. Performance will not be used to pay social security, only salary will be used to pay social security, and it will be paid according to your salary.

Social security generally refers to social insurance. Social insurance refers to a social and economic system that provides income or compensation for people who lose their ability to work, are temporarily unemployed or suffer losses due to health reasons. The main items of social insurance include endowment insurance, medical insurance, unemployment insurance, industrial injury insurance and maternity insurance.