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Medicare Advantage Enrollment Tracker · New York

Medicare Advantage Enrollment in New York

New York had 2,185,784 Medicare Advantage members in September 2026, by the CMS county file, which includes employer group plans. That is up 2.3% from Sep 2025, close to the national 2.0%. New York ranks 4th by members and holds 6.1% of the national total.

Aetna/CVS leads with 18.7% of members who have a carrier label (contract file, September 2026). UnitedHealthcare led a year earlier. Among individual plans, which leave out employer group coverage, enrollment is up 2.6% in the 12 months to September 2026.

By Senior Deal Club Standards Desk · Data as of September 2026 · Editorial policy

Data as ofCMS public files, monthly snapshot

  • These totals include employer and union group plans.
    Why this matters

    The CMS contract and county files count group plans that retirees get through a former employer. They are not plans you can pick on your own. Counts here are larger than the individual-plan counts on county pages.

  • Some months are missing from the source.
    Why this matters

    CMS did not publish every month. Lines break at a missing month instead of guessing a value. A dotted line, where shown, only joins the two sides.

New York at a glance

Medicare Advantage members

2,185,784

New York members by month: from 1.86M in Jan 2023 to 2.19M in Sep 2026

County file · Sep 2026. Includes employer group plans. Rank: 4.

County file · Sep 2026
CMS state, county and plan-type file (SCP). The same plans split by state and county, with employer and union group plans included. CMS hides counts of 10 or fewer.

12-month change

+2.3%

up 2.3 percent vs Sep 2025

County file · Sep 2026. National: +2.0%.

Share of national total

6.1%

County file · Sep 2026. Of jurisdictions that report every month.

Individual plan members

1,839,950

Individual MA · Sep 2026. Employer group plans left out.

Individual MA · Sep 2026
Individual Medicare Advantage plans (IND), from county data. Employer and union group plans are left out, so counts are smaller than in the other two files.

Largest carrier

Aetna/CVS

18.7% of members with a carrier label. Contract file · Sep 2026.

New York members by month

Medicare Advantage members in New York

Members, by month.

County file · Sep 2026
CMS state, county and plan-type file (SCP). The same plans split by state and county, with employer and union group plans included. CMS hides counts of 10 or fewer.
Medicare Advantage members in New YorkLine chart, January 2023 to September 2026. New York: 2.19M in September 2026. Shaded bands mark months with no data.1.8M1.9M2M2.1M2.2M2023202420252026New York2.19M
Medicare Advantage members in New YorkLine chart, January 2023 to September 2026. New York: 2.19M in September 2026. Shaded bands mark months with no data.1.8M1.9M2M2.1M2.2M20232025New2.19M
  • New York
  • Shaded: no data that month
View the data table
Medicare Advantage members in New York: values by month
MonthNew York
Sep 20262.19M
Aug 20262.19M
Jul 20262.18M
Jun 20262.18M
May 20262.17M
Apr 20262.16M
Mar 20262.16M
Feb 20262.14M
Jan 20262.08M
Dec 20252.15M
Nov 20252.15M
Oct 20252.14M
Sep 20252.14M
Aug 20252.13M
Jul 20252.12M
Jun 20252.11M
May 20252.08M
Apr 20252.07M
Mar 20252.06M
Feb 20252.03M
Jan 20251.98M
Dec 20242.08M
Nov 20242.08M
Oct 20242.07M
Sep 20242.07M
Aug 20242.06M
Jul 20242.05M
Jun 20242.04M
May 20242.04M
Apr 20242.03M
Mar 20242.02M
Feb 20242M
Jan 20241.99M
Dec 2023–
Nov 20231.96M
Oct 20231.95M
Sep 20231.94M
Aug 20231.94M
Jul 2023–
Jun 20231.92M
May 20231.91M
Apr 20231.9M
Mar 20231.89M
Feb 20231.88M
Jan 20231.86M

County file · Sep 2026. Employer group plans included.

New York and the nation, Jan 2023 = 100

Each line is members divided by members in the start month, times 100.

County file · Sep 2026
CMS state, county and plan-type file (SCP). The same plans split by state and county, with employer and union group plans included. CMS hides counts of 10 or fewer.
New York and the nation, Jan 2023 = 100Line chart, January 2023 to September 2026. New York: 117.4 in September 2026. National (same jurisdictions each month): 117.8 in September 2026. Shaded bands mark months with no data.1001051101151202023202420252026National117.8New York117.4
New York and the nation, Jan 2023 = 100Line chart, January 2023 to September 2026. New York: 117.4 in September 2026. National (same jurisdictions each month): 117.8 in September 2026. Shaded bands mark months with no data.10010511011512020232025National117.8New117.4
  • New York
  • National (same jurisdictions each month)
  • Shaded: no data that month
View the data table
New York and the nation, Jan 2023 = 100: values by month
MonthNew YorkNational (same jurisdictions each month)
Sep 2026117.4117.8
Aug 2026117.4117.8
Jul 2026117.1117.5
Jun 2026116.9117.4
May 2026116.5117.2
Apr 2026116.2116.9
Mar 2026115.9116.7
Feb 2026115.2116.3
Jan 2026111.8114.7
Dec 2025115.4115.9
Nov 2025115.3115.9
Oct 2025115.2115.7
Sep 2025114.9115.5
Aug 2025114.6115.3
Jul 2025113.9115
Jun 2025113.6114.8
May 2025111.8114.4
Apr 2025111.4114.2
Mar 2025110.8113.8
Feb 2025109.1113.4
Jan 2025106.2111.9
Dec 2024111.8112
Nov 2024111.6112
Oct 2024111.4111.7
Sep 2024111111.5
Aug 2024110.6111.2
Jul 2024110.2110.9
Jun 2024109.8110.7
May 2024109.4110.5
Apr 2024108.9110
Mar 2024108.3109.7
Feb 2024107.7109.3
Jan 2024106.7108.7
Dec 2023––
Nov 2023105.3105.9
Oct 2023104.9105.6
Sep 2023104.4105.2
Aug 2023104.1104.9
Jul 2023––
Jun 2023103.2104.1
May 2023102.7103.8
Apr 2023102.3103.4
Mar 2023101.8103
Feb 2023101.2102.2
Jan 2023100100

County file · Sep 2026. National line sums the jurisdictions that report in every month.

Individual plans

Individual plans leave out employer and union group coverage, so counts are smaller than in the county file.

Carrier share in New York

Share of members whose contract has a carrier label, September 2026 against September 2025.

Contract file · Sep 2026
CMS contract file (SCC). All Medicare Advantage contracts, with employer and union group plans included. It still lists Connecticut and Alaska.

Aetna/CVS leads with 18.7% of members who have a carrier label (contract file, September 2026). UnitedHealthcare led a year earlier.

Aetna/CVS gained 3.4 points in 12 months; most of that change came in January 2026.

Lifetime Healthcare gained 2.6 points in 12 months; most of that change came in January 2026.

UnitedHealthcare and Humana together hold 23.6%, down 2.2 points from Sep 2025.

The market is about as concentrated as a year earlier (direction only; the level depends on how carriers are grouped).

Carrier share, Sep 2025 to Sep 2026

Percent of members with a carrier label. Largest carriers.

Carrier share, Sep 2025 to Sep 2026Slope chart comparing Sep 2025 with Sep 2026. Aetna/CVS: 15.2% to 18.7%; UnitedHealthcare: 21.9% to 18.2%; Healthfirst: 17.3% to 17.2%; Lifetime Healthcare: 12.6% to 15.2%; Centene/Wellcare: 8.6% to 7.5%; Humana: 3.8% to 5.4%.Sep 2025Sep 2026Aetna/CVS 15.2%18.7% Aetna/CVSUnitedHealthcare 21.9%18.2% UnitedHealthcareHealthfirst 17.3%17.2% HealthfirstLifetime Healthcare 12.6%15.2% Lifetime HealthcareCentene/Wellcare 8.6%7.5% Centene/WellcareHumana 3.8%5.4% Humana
Carrier share, Sep 2025 to Sep 2026Slope chart comparing Sep 2025 with Sep 2026. Aetna/CVS: 15.2% to 18.7%; UnitedHealthcare: 21.9% to 18.2%; Healthfirst: 17.3% to 17.2%; Lifetime Healthcare: 12.6% to 15.2%; Centene/Wellcare: 8.6% to 7.5%; Humana: 3.8% to 5.4%.Sep 2025Sep 2026Aetna 15.2%18.7%UHC 21.9%18.2%Healthfirst 17.3%17.2%Lifetime 12.6%15.2%Centene 8.6%7.5%Humana 3.8%5.4%
View the data table
Carrier share, Sep 2025 to Sep 2026: Sep 2025 and Sep 2026
NameSep 2025Sep 2026Change
Aetna/CVS15.2%18.7%+3.4 pts
UnitedHealthcare21.9%18.2%−3.7 pts
Healthfirst17.3%17.2%−0.1 pts
Lifetime Healthcare12.6%15.2%+2.6 pts
Centene/Wellcare8.6%7.5%−1.1 pts
Humana3.8%5.4%+1.5 pts

Contract file · Sep 2026. Employer group plans included.

Carrier share of Medicare Advantage members with a carrier label, New York, September 2026
CarrierShare, Sep 2026Share, Sep 2025ChangeMembers
Aetna/CVS18.7%15.2%+3.4 pts404,280
UnitedHealthcare18.2%21.9%−3.7 pts393,136
Healthfirst17.2%17.3%−0.1 pts371,835
Lifetime Healthcare15.2%12.6%+2.6 pts328,497
Centene/Wellcare7.5%8.6%−1.1 pts162,743
Humana5.4%3.8%+1.5 pts116,327
Visiting Nurse Service of New York3.3%1.7%+1.6 pts72,047
Elevance/Anthem3.2%3.2%0.0 pts70,077
MVP Health Care2.7%3.5%−0.8 pts58,610
Independent Health Association2.1%3.4%−1.3 pts45,156
EmblemHealth1.7%1.9%−0.1 pts37,433
Highmark/BCBS1.7%3.3%−1.6 pts37,174
All other carriers1.6%––33,804
Elderplan1.2%1.0%+0.2 pts26,910
HCSC/BCBS0.2%1.3%−1.1 pts4,684

Insurer not assigned in CMS data: 0.9% of all members in Sep 2026, 2.3% in Sep 2025. Shares leave these members out. Contract IDs are renumbered each January, so this page follows carriers, not contracts. A contract that serves several states carries one carrier label, so a carrier can appear in a state where it is not a local plan. See the carrier view for the whole nation.

Biggest counties in New York

Individual plan members and the 12-month change for each county, from county data.

Individual MA · Sep 2026
Individual Medicare Advantage plans (IND), from county data. Employer and union group plans are left out, so counts are smaller than in the other two files.
Biggest counties in New York by individual Medicare Advantage members, September 2026
CountyMembers12-month changeLeading carrierLeader's share
Queens232,928+2.8%Healthfirst40.0%
Kings213,699+2.3%Healthfirst40.2%
Bronx151,965+2.6%Healthfirst56.2%
New York128,617+0.3%Healthfirst47.6%
Erie127,376+2.2%Lifetime Healthcare27.6%
Monroe111,471+1.1%Lifetime Healthcare64.7%
Nassau83,496+4.4%Aetna/CVS30.1%
Suffolk82,482+5.2%Aetna/CVS43.6%
Westchester58,746+3.9%Aetna/CVS25.6%
Onondaga53,351+2.7%Lifetime Healthcare32.7%

Browse all counties.

Common questions

How many people have Medicare Advantage in New York?

New York had 2,185,784 members in September 2026, by the CMS county file (employer group plans included). Individual plans, which leave out employer group coverage, had 1,839,950 members in September 2026.

Is Medicare Advantage growing in New York?

Enrollment is up 2.3% from Sep 2025 to Sep 2026, close to the national 2.0%. Among individual plans, which leave out employer group coverage, enrollment is up 2.6% in the 12 months to September 2026.

Which carrier has the most Medicare Advantage members in New York?

Aetna/CVS leads with 18.7% of members who have a carrier label (contract file, September 2026). UnitedHealthcare led a year earlier. UnitedHealthcare and Humana together hold 23.6%, down 2.2 points from Sep 2025. Shares leave out members whose contract has no carrier label: 0.9% of members.

Cite and download

Cite this page

Senior Deal Club Standards Desk. Medicare Advantage Enrollment in New York, data as of September 2026. Source: CMS public enrollment files. https://www.seniordealclub.com/medicare-advantage/enrollment/states/new-york

Download New York CSV

Data: CMS public enrollment files, in a monthly snapshot processed by TapQuality. Senior Deal Club is not affiliated with Medicare or any government agency.

These pages are educational. They are not plan advice. How the numbers are built · Editorial policy