Unitedhealthcare Medicare South Florida We specialize in Medicare advantage plans Part C or D. Individual requires to be 65 years of age or older and been approved for Part A and B by Medicare in order to enroll or change plan. . Our portfolio offers 27 different plan Insured by Unitedhealthcare Insurance Company (Unitedhealthcare) AARP Supplement AARP RX -Prescription Drugs AARP Medicare Advantage (Regional PPO) Preferred Care Partners (HMO’s including Chronic and Dual Special Needs Plans) Preferred Care Network (HMO’s including Chronic and Dual Special Needs Plans)