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The Washington HCA Premera Plan G
The Washington State Health Care Authority sponsors a Premera Blue Cross Medigap Plan G that state residents can join without health questions, in specific windows. It's one of the lowest-priced Plan G policies on the state chart.
What it is
A group Medicare Supplement Plan G, sponsored by the Washington State Health Care Authority and administered by Premera Blue Cross. It's the same standardized Plan G sold by every other insurer. It isn't the same as Premera's individual Medigap plans, which carry different premiums.
Premiums
| 65 and older | Under 65 (disability) | |
|---|---|---|
| 2026, state resident | $233 | $397 |
| From Jan. 1, 2027, state resident | $274 | $466 |
Monthly. 2026 figures from the OIC chart; 2027 figures from Premera's enrollment kit, which also lists a two-person rate equal to twice the single rate. PEBB retirees pay different rates and enroll through the HCA.
When state residents can join
According to Premera's enrollment kit, a Washington resident who isn't a PEBB member can enroll:
- no earlier than 30 days before becoming eligible for Parts A and B;
- within six months of turning 65 while enrolled in Part B;
- within six months of first enrolling in Part B, if replacing a health plan with no gap of more than 63 days;
- within 63 days of becoming a Washington resident;
- within 63 days of losing qualifying coverage such as retiree group coverage, Medicare Advantage or another Medigap plan;
- when replacing coverage or during another guaranteed-issue period allowed by law.
You must have both Part A and Part B and not be receiving Medicaid beyond help with the Part B premium.
How it compares
At $274 from January 2027, it would no longer be the lowest Plan G on the current chart: several individual policies open to any 65+ applicant cost less. Compare it with the individual Plan G policies sold in your county before you apply.
Plan G monthly premiums, Washington
Age 65 and older, monthly bank draft. Source: Washington OIC chart current as of October 8, 2026.