Medicare Advantage plans include Health Maintenance Organization (HMO), Preferred Provider Organization (PPO), Private Fee-for-Service (PFFS), Special Needs Plans (SNPs), Medicare Medical Savings Account (MSA), Provider-Sponsored Organization (PSO), Medicare Advantage Prescription Drug (MAPD), Chronic Condition Special Needs Plans (C-SNPs), and Institutional Special Needs Plans (I-SNPs). To know more visit here https://www.capitalbluemedicare.com/wps/portal/capm/home/what-is-medicare/medicare-faq