Health Ministry’s activation of the automated system for the online health insurance registration for expatriates, knowledgeable sources affirmed that the payment portal has been functioning well; thereby, easing procedures for payment of fees for various services without glitches.
How to Register and pay online health insurance fees
Click on the link to visit website
for New registration Click on Create an account
After filling Required information Click on (Generate OTP) you will receive a message from MOH -Online system that contains your OTP code enter OTP Code and Click on Verify, you are done you will receive another message that contains your password, your Kuwait Civil ID will be your user name.
 Select the type of Residence 
Enter Civil ID number all other information will appear from MOI system the Amount will appear on right top now  you will need to select no of years, insurance status (new or renew) Cover start date and mode of payment, check on the term and condition and click okay, you will be asked for payment that's it.....