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We offer Medicare Advantage HMO plans in different areas of Washington State.

Star Ratings

Medicare Star Quality Ratings

The Medicare Star Quality Ratings for Medicare Advantage plans measure overall health plan performance. This program evaluates Medicare health and prescription drug plans. It is administered by the Centers for Medicare & Medicaid Services (CMS), the federal agency that oversees Medicare.

Ratings are based on major categories that include preventive care, chronic care, prescription drug services, customer service, and member satisfaction.

Based on CMS findings, each plan is assigned a rating between 1 and 5 Stars.


Medicare 5-star chart

The Medicare Star Quality Ratings can be used as a tool to compare the quality of care and customer service that different Medicare plans offer.

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Learn about Medicare health plans for group, state, and federal employees

If you are becoming eligible for Medicare and your employer offers a group retiree Medicare Advantage health plan through Kaiser Permanente Washington, call us at 1-800-581-8252 or TTY WA Relay 711, from 8 a.m. to 5 p.m., Monday through Friday.

PEBB and FEHB members can also find information online:

Enroll in a Kaiser Permanente Medicare Health Plan Now

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Key Medicare enrollment dates

Medicare Annual Enrollment Period (AEP)
October 15 through December 7

Medicare Initial Coverage Election Period (ICEP)
65th birthday month + 3 months before and after

Medicare Advantage Open Enrollment Period (OEP)
January 1 through March 31

Medicare Star Quality Ratings

Our Medicare Advantage health plan in Washington was rated 4.5 out of 5 Stars for 2019. Our 4.5 out of 5 Star rating is based on quality, service, and member satisfaction, so you get the peace of mind that comes with knowing you're getting high-quality care. 1