MSP helps pay monthly Medicare premiums and out-of-pocket costs for those who are eligible. Anyone who is on Medicare and meets income eligibility qualifies for MSP, and the previously required asset test has been removed, allowing for greater participation levels. Enrollment is open now. Learn more. Interested in learning more about MSP? Contact CAHC at 1-800-965-7476 or call your local Area Agency on Aging to be connected to a resource specialist.