Medicare Advantage insurer · Part of UnitedHealth Group, Inc. · 2026

UnitedHealthcare

According to the Centers for Medicare & Medicaid Services (CMS) 2026 plan-year files, UnitedHealthcare markets 770 Medicare Advantage plans across 47 states; average CMS star rating 4.0★.

770
Plans offered
4.0★
Avg: Above average
47
States covered
9
5-star plans

The short answer

UnitedHealthcare ranks #1 of 288 Medicare Advantage insurers by plan inventory (770 plans) but #62 by average CMS star (4.05★).

#1
inventory rank
770
plans offered
#62
avg star rank
4.05★
mean CMS rating

CMS assigns star ratings at the contract level; inventory breadth and average quality move on different axes.

Product mix · this insurer

How 770 UnitedHealthcare plans split by CMS plan type

Exclusive plan-type inventory for this organization in plans_unique, orthogonal to the star-distribution chart below.

Wider MA inventory book

UnitedHealthcare in the wider-inventory third

UnitedHealthcare ranks #1 of 288 insurers by plan count (770 MA plans) - top-third inventory breadth in the CMS file. UnitedHealthcare markets 770 Medicare Advantage plans across 47 states and 2,710 counties - a top-third inventory book (#1 of 288 by plan count). Inside the UnitedHealth Group, Inc. family. Product mix Local PPO, HMO, HMO POS, PFFS; 9 plans at 5 stars. Enrollment is not disclosed in the public file for this plan year. According to PlainMedicare's CMS plan-year corpus ranking, UnitedHealthcare ranks #1 of 288 Medicare Advantage insurers by plan count and #62 of 212 by average CMS star rating. Figures are CMS public-use data, informational only, not counseling.

BONUS-TIER · COAST-TO-COAST · MEGA-BOOK · MIXED-BOOK · plans #1/288 · stars #62/212

States Covered

IA MO NE KS TN WI MI CA NM AZ VA AL CO NV TX FL MS IN DE PA ME NH NJ OH WA MD GA NC RI OR IL UT OK SC KY LA AR WY WV MT SD ID NY ND MN MA HI

Where UnitedHealthcare sits on CMS quality

Average CMS star rating across the insurer's own Medicare Advantage plans, against every rated insurer in the CMS file

4.05★ Top 29% higher than 71% of 212 Medicare Advantage insurers

2.25★–2.5★: 1 Medicare Advantage insurers (0%). Below this entry. 2.5★–2.75★: 7 Medicare Advantage insurers (3%). Below this entry. 2.75★–3★: 3 Medicare Advantage insurers (1%). Below this entry. 3★–3.25★: 37 Medicare Advantage insurers (17%). Below this entry. 3.25★–3.5★: 7 Medicare Advantage insurers (3%). Below this entry. 3.5★–3.75★: 50 Medicare Advantage insurers (24%). Below this entry. 3.75★–4★: 9 Medicare Advantage insurers (4%). Below this entry. 4★–4.25★: 44 Medicare Advantage insurers (21%). This entry sits in this band. 4.25★–4.5★: 8 Medicare Advantage insurers (4%). Above this entry. 4.5★–4.75★: 36 Medicare Advantage insurers (17%). Above this entry. 4.75★–5★: 1 Medicare Advantage insurers (0%). Above this entry. 5★–5.25★: 9 Medicare Advantage insurers (4%). Above this entry. This insurer 2.25★ 5.25★ every rated insurer, bucketed by value

Each bar is a band; taller bars hold more Medicare Advantage insurers. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source CMS Medicare Advantage Star Ratings 2026 · 2026-09-01

Plans Offered by UnitedHealthcare

Plan Name Type State Stars Action
CARE IMPROVEMENT PLUS SOUTH CENTRAL INSURANCE CO. Local PPO 4.0 View details →
CARE IMPROVEMENT PLUS SOUTH CENTRAL INSURANCE CO. Local PPO 4.0 View details →
CARE IMPROVEMENT PLUS SOUTH CENTRAL INSURANCE CO. Local PPO 4.0 View details →
UNITEDHEALTHCARE OF THE MID-ATLANTIC, INC. HMO 3.5 View details →
UNITEDHEALTHCARE OF THE MIDLANDS, INC. HMO POS AL 4.0 View details →
UNITEDHEALTHCARE OF THE MIDLANDS, INC. HMO POS AL 4.0 View details →
UNITEDHEALTHCARE OF THE MIDLANDS, INC. HMO POS AL 4.0 View details →
UNITEDHEALTHCARE OF THE MIDLANDS, INC. HMO POS AL 4.0 View details →
UNITEDHEALTHCARE OF THE MIDLANDS, INC. HMO POS AL 4.0 View details →
UNITEDHEALTHCARE OF THE MIDLANDS, INC. HMO POS AL 4.0 View details →
CARE IMPROVEMENT PLUS SOUTH CENTRAL INSURANCE CO. Local PPO AL 4.0 View details →
CARE IMPROVEMENT PLUS SOUTH CENTRAL INSURANCE CO. Local PPO AL 4.0 View details →
UNITEDHEALTHCARE OF THE MIDLANDS, INC. HMO POS AL 4.0 View details →
UNITEDHEALTHCARE OF THE MIDLANDS, INC. HMO POS AL 4.0 View details →
UNITEDHEALTHCARE OF THE MIDLANDS, INC. HMO POS AL 4.0 View details →
UNITEDHEALTHCARE OF THE MIDLANDS, INC. HMO POS AL 4.0 View details →
SIERRA HEALTH AND LIFE INSURANCE COMPANY, INC. Local PPO AR 4.5 View details →
SIERRA HEALTH AND LIFE INSURANCE COMPANY, INC. Local PPO AR 4.5 View details →
SIERRA HEALTH AND LIFE INSURANCE COMPANY, INC. Local PPO AR 4.5 View details →
CARE IMPROVEMENT PLUS SOUTH CENTRAL INSURANCE CO. Local PPO AR 4.0 View details →
CARE IMPROVEMENT PLUS SOUTH CENTRAL INSURANCE CO. Local PPO AR 4.0 View details →
CARE IMPROVEMENT PLUS SOUTH CENTRAL INSURANCE CO. Local PPO AR 4.0 View details →
UNITEDHEALTHCARE OF THE MIDLANDS, INC. HMO POS AR 4.0 View details →
UNITEDHEALTHCARE OF THE MIDLANDS, INC. HMO POS AR 4.0 View details →
UNITEDHEALTHCARE OF THE MIDLANDS, INC. HMO POS AR 4.0 View details →
UNITEDHEALTHCARE OF THE MIDLANDS, INC. HMO POS AR 4.0 View details →
UNITEDHEALTHCARE OF THE MIDLANDS, INC. HMO POS AR 4.0 View details →
UnitedHealthcare Benefits of Texas, Inc. HMO POS AZ 4.5 View details →
UnitedHealthcare Benefits of Texas, Inc. HMO POS AZ 4.5 View details →
UnitedHealthcare Benefits of Texas, Inc. HMO POS AZ 4.5 View details →
UnitedHealthcare Benefits of Texas, Inc. HMO POS AZ 4.5 View details →
UnitedHealthcare Benefits of Texas, Inc. HMO POS AZ 4.5 View details →
UnitedHealthcare Benefits of Texas, Inc. HMO POS AZ 4.5 View details →
UnitedHealthcare Benefits of Texas, Inc. HMO POS AZ 4.5 View details →
UnitedHealthcare Benefits of Texas, Inc. HMO POS AZ 4.5 View details →
CARE IMPROVEMENT PLUS SOUTH CENTRAL INSURANCE CO. Local PPO AZ 4.5 View details →
SIERRA HEALTH AND LIFE INSURANCE COMPANY, INC. Local PPO AZ 4.5 View details →
CARE IMPROVEMENT PLUS SOUTH CENTRAL INSURANCE CO. Local PPO AZ 4.0 View details →
CARE IMPROVEMENT PLUS SOUTH CENTRAL INSURANCE CO. Local PPO AZ 4.0 View details →
CARE IMPROVEMENT PLUS SOUTH CENTRAL INSURANCE CO. Local PPO AZ 4.0 View details →
CARE IMPROVEMENT PLUS SOUTH CENTRAL INSURANCE CO. Local PPO AZ 4.0 View details →
CARE IMPROVEMENT PLUS SOUTH CENTRAL INSURANCE CO. Local PPO AZ 4.0 View details →
CARE IMPROVEMENT PLUS SOUTH CENTRAL INSURANCE CO. Local PPO AZ 4.0 View details →
UNITEDHEALTHCARE OF WISCONSIN, INC. HMO POS AZ 4.0 View details →
UNITEDHEALTHCARE OF WISCONSIN, INC. HMO POS AZ 4.0 View details →
UNITEDHEALTHCARE OF WISCONSIN, INC. HMO POS AZ 4.0 View details →
ARIZONA PHYSICIANS IPA, INC. HMO POS AZ 3.5 View details →
ARIZONA PHYSICIANS IPA, INC. HMO POS AZ 3.5 View details →
UHC OF CALIFORNIA HMO POS CA 4.0 View details →
UHC OF CALIFORNIA HMO POS CA 4.0 View details →
UHC OF CALIFORNIA HMO POS CA 4.0 View details →
UHC OF CALIFORNIA HMO POS CA 4.0 View details →
UHC OF CALIFORNIA HMO POS CA 4.0 View details →
UHC OF CALIFORNIA HMO POS CA 4.0 View details →
UHC OF CALIFORNIA HMO POS CA 4.0 View details →
UHC OF CALIFORNIA HMO POS CA 4.0 View details →
UHC OF CALIFORNIA HMO POS CA 4.0 View details →
UHC OF CALIFORNIA HMO POS CA 4.0 View details →
UHC OF CALIFORNIA HMO POS CA 4.0 View details →
UHC OF CALIFORNIA HMO POS CA 4.0 View details →
UHC OF CALIFORNIA HMO POS CA 4.0 View details →
UHC OF CALIFORNIA HMO POS CA 4.0 View details →
UHC OF CALIFORNIA HMO POS CA 4.0 View details →
UHC OF CALIFORNIA HMO POS CA 4.0 View details →
UHC OF CALIFORNIA HMO POS CA 4.0 View details →
UHC OF CALIFORNIA HMO POS CA 4.0 View details →
UHC OF CALIFORNIA HMO POS CA 4.0 View details →
UHC OF CALIFORNIA HMO POS CA 4.0 View details →
UHC OF CALIFORNIA HMO POS CA 4.0 View details →
UHC OF CALIFORNIA HMO POS CA 4.0 View details →
UHC OF CALIFORNIA HMO POS CA 4.0 View details →
UHC OF CALIFORNIA HMO POS CA 4.0 View details →
UHC OF CALIFORNIA HMO POS CA 4.0 View details →
UHC OF CALIFORNIA HMO POS CA 4.0 View details →
UHC OF CALIFORNIA HMO POS CA 4.0 View details →
UHC OF CALIFORNIA HMO POS CA 4.0 View details →
UHC OF CALIFORNIA HMO POS CA 4.0 View details →
UHC OF CALIFORNIA HMO POS CA 4.0 View details →
UHC OF CALIFORNIA HMO POS CA 4.0 View details →
UHC OF CALIFORNIA HMO POS CA 4.0 View details →
UHC OF CALIFORNIA HMO CA 4.0 View details →
UHC OF CALIFORNIA HMO CA 4.0 View details →
UHC OF CALIFORNIA HMO CA 4.0 View details →
UHC OF CALIFORNIA HMO CA 4.0 View details →
UHC OF CALIFORNIA HMO CA 4.0 View details →
UHC OF CALIFORNIA HMO POS CA 4.0 View details →
UHC OF CALIFORNIA HMO POS CA 4.0 View details →
UHC OF CALIFORNIA HMO POS CA 4.0 View details →
UHC OF CALIFORNIA HMO POS CA 4.0 View details →
UHC OF CALIFORNIA HMO POS CA 4.0 View details →
UNITEDHEALTHCARE INSURANCE COMPANY Local PPO CA 3.5 View details →
UnitedHealthcare Benefits of Texas, Inc. HMO POS CO 4.5 View details →
UnitedHealthcare Benefits of Texas, Inc. HMO POS CO 4.5 View details →
UnitedHealthcare Benefits of Texas, Inc. HMO POS CO 4.5 View details →
UnitedHealthcare Benefits of Texas, Inc. HMO POS CO 4.5 View details →
UnitedHealthcare Benefits of Texas, Inc. HMO POS CO 4.5 View details →
UnitedHealthcare Benefits of Texas, Inc. HMO POS CO 4.5 View details →
UnitedHealthcare Benefits of Texas, Inc. HMO POS CO 4.5 View details →
UnitedHealthcare Benefits of Texas, Inc. HMO POS CO 4.5 View details →
UnitedHealthcare Benefits of Texas, Inc. HMO POS CO 4.5 View details →

Showing 100 of 770 plans. Browse by state to see all plans in your area.

Note: PlainMedicare provides CMS data for informational purposes only. This is not medical or insurance advice. Contact the insurer directly or visit Medicare.gov to confirm plan availability and current benefits in your county.

Read our methodology - how this data is sourced, computed, and verified.

Nationwide insurers with similar Medicare Advantage scale or CMS quality

Data-derived peers across the CMS organization file: nearest MA plan inventory and nearest average CMS star rating. Not parent-org containment or same-state footprint overlap.

Similar plan inventory

Similar average CMS star rating

Read with UnitedHealthcare

ABS(plans_count) peers first, then an ABS(avg_star) quality pole and a stamp-branched guide, not a fixed Related strip. This page stamps BONUS-TIER · COAST-TO-COAST · MEGA-BOOK · MIXED-BOOK.

Humana · MEGA-BOOK

ABS(plans_count) peer at 768 MA plans (Δ 2 tighter vs UnitedHealthcare); PRE-BONUS · COAST-TO-COAST vs this page's BONUS-TIER · COAST-TO-COAST · MEGA-BOOK.
Aetna Medicare · MEGA-BOOK

ABS(plans_count) peer at 629 MA plans (Δ 141 tighter vs UnitedHealthcare); BONUS-TIER · COAST-TO-COAST vs this page's BONUS-TIER · COAST-TO-COAST · MEGA-BOOK.
Devoted Health · MEGA-BOOK

ABS(plans_count) peer at 416 MA plans (Δ 354 tighter vs UnitedHealthcare); BONUS-TIER · COAST-TO-COAST vs this page's BONUS-TIER · COAST-TO-COAST · MEGA-BOOK.
Wellcare · MEGA-BOOK

ABS(plans_count) peer at 192 MA plans (Δ 578 tighter vs UnitedHealthcare); PRE-BONUS · COAST-TO-COAST vs this page's BONUS-TIER · COAST-TO-COAST · MEGA-BOOK.
SCAN Health Plan (quality pole)

ABS(avg_star) pole at 4.0★ (Δ 0.0 vs UnitedHealthcare's BONUS-TIER): MEGA-BOOK · MULTI-STATE.
Plan pick checklist · BONUS-TIER

UnitedHealthcare stamps BONUS-TIER · MEGA-BOOK; bonus-tier contracts still vary by county formulary and provider lock-in.
Data sourced from the Centers for Medicare & Medicaid Services (CMS). See our methodology for details. Retrieved and formatted by PlainMedicare

Using UnitedHealthcare's plan lineup

Star rating and plan availability, not the insurer's size alone.

  • UnitedHealthcare ranks 62 of 212 insurers by average CMS star rating (4.0★ average) - compare against the plans available in your own county. How star ratings work
  • Weigh total cost, not just premium: compare plan details using Medicare.gov before you enroll. Medicare Plan Compare
  • Check that your doctors and drugs are in-network before you enroll, and confirm the plan on Medicare.gov. Choosing a plan

Insurer-level averages combine every plan the organization files with CMS; the plan sold in your county may differ.

PlainMedicare is rendered directly from CMS Medicare Advantage and Part D public files, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a correction. Data current as of 2026-09-01.