Blue Cross Blue Shield Medicare Advantage comes in four plan types: HMO, HMO-POS, PPO and PFFS. Your plan type determines how you receive care and whether you need referrals to see a specialist. The four types differ primarily in network flexibility and monthly cost.
- HMO Plans: HMO enrollees select a primary care physician who manages care and provides specialist referrals. The plan covers in-network providers only, with emergencies excepted. Premiums are lower than other BCBS plan types, though provider flexibility is limited.
- HMO-POS Plans: These plans work like traditional HMOs for in-network services but also allow you to seek care outside the network without a referral. Out-of-network visits cost more, so the main benefit is having that option when needed. See our Best Medicare Advantage Plans guide for how HMO-POS ratings compare across all major insurers.
- PPO Plans: With a PPO, you can visit any Medicare-approved provider without getting referrals. Staying in-network costs less, but out-of-network care is covered at higher cost-sharing.
- PFFS Plans: PFFS enrollees can see any Medicare-approved provider who agrees to the plan's payment terms, with no network restrictions or referral requirements.





