UnitedHealthcare is the best Medicare Advantage company in Maryland for 2026. Medicare rates plans from one to five stars for care quality, and UnitedHealthcare holds the only five-star score among Maryland carriers alongside the lowest annual cost exposure at $5,825. Its plans cover only Baltimore, Montgomery and Prince George's counties.
Kaiser Permanente and Aetna Medicare each earn 4.5-star Medicare quality ratings. Kaiser covers 11 central Maryland counties and puts a $2,000 hearing aid allowance on every plan. Aetna Medicare covers three counties and includes dental, vision and hearing benefits on both of its plans.
CareFirst BlueCross BlueShield and Humana each cover all 24 Maryland counties. CareFirst is the only carrier with PPO plans statewide, which let you see out-of-network doctors at a higher cost. Check your county's options before enrolling.














