Know What You Need. In general, make sure you know the car seat laws at your destination. Car seat laws vary by state in the US. For example, a child who can ride in a booster seat in California may need a seat with a five point harness in Washington State. This Website has links to car seat laws in the US and Canada.
Contact Medicare by Phone: 1-800-MEDICARE (1-800-633-4227) 1  Welcome to Medicare. 2  To better serve you tell me your medicare number including any letters or you can key in the numbers using your telephone keypad.
Phone Contact Numbers. 1  Customer Service: 1-800-826-9781. 2  Customer Service (Health Care Providers): 1-877-233-1800. 3  Joining the Network (Health Care Providers): 1-877-842-3210. 4  Media Inquiries: 1-888-438-8124.