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PlainMedicare

Plan year 2026 · coverage ends Dec. 31, 2026CMS crosswalk of Oct. 1, 2026

Aetna Medicare Enhanced Extra is not offered under this ID in 2027

H5521Contract664Plan

PPO · served 2 counties in New York in 2026

Run by Aetna Life Insurance Company (contract H5521), sold as Aetna Medicare, owned by CVS Health Corporation

CMS crosswalk: members move into H5521-661

Folds into H5521-661

Aetna Medicare Enhanced Extra (H5521-664) is not offered under this ID in 2027: the CMS plan crosswalk of October 1, 2026 moves its members into Aetna Medicare Enhanced (H5521-661), which is sold in every county it served. 613 people were enrolled in it in September 2026; they can also choose another plan during open enrollment, October 15 to December 7, 2026.

What changes for its members in Aetna Medicare Enhanced?

For its members: this plan's 2026 amounts beside Aetna Medicare Enhanced (H5521-661) in 2027. The changed lines are marked and come first.
What you pay or get20262027Change
Plan nameAetna Medicare Enhanced ExtraAetna Medicare Enhancedrenamed
Monthly premium$104$79down $25
In-network out-of-pocket limit$6,750$9,850up $3,100
Drug deductible$615$700up $85
Specialist visit$40 copay$0 copaydown $40
Emergency room$130 copay$115 copaydown $15
Hospital stay, in network$399 a day for days 1–6, then $0 a day for days 7–90$450 a day for days 1–5, then $0 a day for days 6–90up $255for a 5-day stay
Skilled nursing facility, in network$0 a day for days 1–20, then $218 a day for days 21–100$0 a day for days 1–20, then $221 a day for days 21–100up $30for a 30-day stay
Ground ambulance, in network$265 copay$295 copayup $30
Eyewear, yearly limit$150 a year$100 a yeardown $50
Drug tier 1, preferred generic$2$5up $3
Drug tier 3, preferred brand24% of the cost17% of the costdown 7 points
Drug tier 4, non-preferred drug25% of the cost28% of the costup 3 points
9 lines do not change
Part B premium reduction, monthlynonenoneno change
Primary care visit$0 copay$0 copayno change
Medical deductible, in networknonenoneno change
Comprehensive dental, yearly limitnot offerednot offeredno change
Hearing aids, yearly limit for both earsnot offerednot offeredno change
Over-the-counter items, yearlynot offerednot offeredno change
Counties served22no change
Drug tier 2, generic$12$12no change
Drug tier 5, specialty tier25% of the cost25% of the costno change

Source: CMS plan crosswalk from 2026 to 2027 (Oct. 1, 2026); CMS Medicare Advantage and Part D landscape files for 2027 (Sept. 22, 2026, revised Sept. 30) and 2026 (Sept. 2, 2026 revision); CMS plan benefit package files, 2027 and 2026. Your plan's Annual Notice of Change is the letter that confirms your 2027 plan; confirm on Medicare Plan Finder.

What can members do, and by when?

If you do nothing
You are moved into Aetna Medicare Enhanced on January 1, 2027.
October 15 to December 7, 2026
Open enrollment: choose another Medicare Advantage plan, or Original Medicare with a drug plan, instead.
January 1 to March 31, 2027
Medicare Advantage open enrollment: switch once to another Medicare Advantage plan or to Original Medicare.

Source: Medicare.gov, “Special enrollment periods” and “Joining a plan” (read Oct. 7, 2026).

Where did its members live?

Where its members lived in September 2026; each county and state page lists the 2027 plans sold there.

All 2 counties, most members first; CMS hides counts under 11 per county, so the counties add up to a little less than the plan's total
CountyMembers, Sept. 2026For 2027
Queens, NY379moves into H5521-661
Kings, NY231moves into H5521-661

Source: CMS monthly enrollment by plan and by county, September 2026 (CMS hides counts under 11).

What else should you check?