Any time after your first paycheck and before your effective date.
During Annual Enrollment, when all eligible associates can sign up or make changes.
When you have a status change event, like getting married or divorced, birth or adoption, or changes in your employment that affect benefits coverage. Keep in mind that you can only make changes that are directly related to the event. You’ll find details in the 2020 Associate Benefits Book.
If you’re enrolled in Medicare Part D, you’re not eligible to enroll in any Walmart-sponsored medical plan.