HealthPlus of Michigan, Inc. is an HMO/HMO-POS organization with a Medicare contract. Enrollment in HealthPlus of Michgian, Inc. depends on contract renewal. This information is not a complete description of benefits. Contact the plan for more information. Limitations, copayments, and restrictions may apply. Benefits, premiums, and/or co-payments/co-insurance may change on January 1 of each year. The formulary, pharmacy network, and/or provider network may change at any time. You will receive notice when necessary. You must continue to pay your Medicare Part B premium. Medicare beneficiaries may also enroll in HealthPlus MedicarePlus through the CMS Medicare Online Enrollment Center located at http://www.medicare.gov. Medicare evaluates plans based on a 5-star rating system. Star Ratings are calculated each year and may change from on year to the next.