Medicare Plan Lookup Official CMS data · Contract Year 2026
CMS 2026 data

2026 Medicare plan code

H5521-665-000

Aetna Medicare Enhanced (PPO) · Aetna Medicare · Nassau and Suffolk Counties

Compact plan code: H5521665000

2026

Spaces or dashes work: H5216-435-002 · S2135 802

● CMS 2026 plan record

Aetna Medicare Enhanced (PPO)

H5521-665-000 Nassau and Suffolk Counties Local PPO
Open in quick lookup
01

In-network

Inpatient hospital

Days 1–6 $399 / day
Days 7–90 $0 / day
Total of listed copays · 6 charged days $2,394
02

Emergency transport

Ambulance

Ground · in-network$280 copay
Air · in-network$280 copay
03

Emergency services

Emergency room

$130 copay

Waived if admitted within 24 hours

04

Medical maximum

Maximum out-of-pocket

In-network$6,750
Combined in + out$10,100
05

Skilled care at home

Home health

In-network$0 copay
Out-of-network40% coinsurance
06

Monthly cost

Premium & giveback

Part C premium$0.50 / month
Consolidated C + D$134 / month

Source trail

Official CMS, Contract Year 2026

Plan identity and benefits come from CMS PBP data. Premium and MOOP figures are cross-checked against the August 2026 Landscape release. Quick-reference values should be confirmed in current official plan documents.

PBP benefits ↗ Landscape data ↗

Same CMS contract

H5521-015-000 Aetna Medicare Premier (PPO) District of Columbia · Local PPO H5521-016-000 Aetna Medicare Premier (PPO) IL Chicago · Local PPO H5521-020-000 Aetna Medicare Premier (PPO) Select Counties in OH & KY · Local PPO H5521-022-000 Aetna Medicare Enhanced (PPO) Clark and Nye Counties · Local PPO H5521-033-000 Aetna Medicare Signature (PPO) North, Central, West, NW, SW, TC, South FL · Local PPO H5521-037-000 Aetna Medicare Signature (PPO) Counties: BR, ES, HD, MR, MX, MN, MO, ON, PS, UN · Local PPO H5521-055-000 Aetna Medicare Signature (PPO) Clark and Nye Counties · Local PPO H5521-077-000 Aetna Medicare Signature (PPO) Central Upstate NY 1 · Local PPO

About this code

What H5521-665-000 identifies

H5521-665-000 is a Contract Year 2026 Medicare plan segment code. The compact form H5521665000 refers to the same normalized contract, plan, and segment shown on this page.

Medicare Plan Lookup uses official CMS data as a quick reference. Benefit details, eligibility, service-area rules, and cost sharing should be confirmed in the current Summary of Benefits or Evidence of Coverage.