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AARP / UnitedHealthcare vs State Farm Medigap in Washington
By Vadim Marusin, licensed Medicare insurance agent in Washington (WAOIC #1365574). Insurer data checked against the state chart current as of October 8, 2026.
A fact-by-fact comparison of the two insurers' Washington Medicare Supplement line-ups, from the state-approved chart. No rankings, no premiums: just what each sells, where and on what terms.
State Farm: Medigap Assist is not appointed with this insurer and does not sell its policies. Information comes from the state's public chart.
Side by side
| AARP / UnitedHealthcare | State Farm | |
|---|---|---|
| Legal name on the state chart | UnitedHealthcare Insurance Company | State Farm Insurance |
| Parent or brand | insurer of the AARP-branded Medicare Supplement plans | sold through State Farm agents |
| Plans sold in Washington | A, B, G, K, L, N, C, F | A, D, G, N, C, F |
| Counties | All 39 | All 39 |
| High-deductible plans | None | None |
| Medicare SELECT | G, N | No |
| Sells to people under 65 | No | No |
| Health questions outside protected periods | Yes | Yes |
| Pre-existing condition waiting period | None | Up to 3 months |
| Membership required | AARP | No |
| Current WA rates effective | June 1, 2026 | May 1, 2026 |
Where they differ
Only AARP / UnitedHealthcare sells Plan B, Plan K, and Plan L. Only State Farm sells Plan D. AARP / UnitedHealthcare shows no pre-existing condition waiting period on the state chart; the other may apply one of up to three months. AARP-branded UnitedHealthcare policies require AARP membership. State Farm sells through its own agents only.
Where each one sells
- Who sells here
- Neither
- Only State Farm
- Only AARP / UnitedHealthcare
- Both
Plans you can compare head to head
| Benefit | A | G | N | C | F |
|---|---|---|---|---|---|
| Part A hospital coinsurance, plus 365 extra hospital days after Medicare benefits end | 100% | 100% | 100% | 100% | 100% |
| Part A hospice care coinsurance or copay | 100% | 100% | 100% | 100% | 100% |
| Part B coinsurance or copay (the 20%) | 100% | 100% | 100%* | 100% | 100% |
| Medicare preventive care Part B coinsurance | 100% | 100% | 100% | 100% | 100% |
| First 3 pints of blood | 100% | 100% | 100% | 100% | 100% |
| Skilled nursing facility care coinsurance | – | 100% | 100% | 100% | 100% |
| Part A deductible | – | 100% | 100% | 100% | 100% |
| Part B deductible | – | – | – | 100% | 100% |
| Part B excess charges | – | 100% | – | – | 100% |
| Foreign travel emergency (up to plan limits) | – | 80% | 80% | 80% | 80% |
| Yearly out-of-pocket limit | – | – | – | – | – |
How to decide
- Pick your plan letter first; see choosing a plan.
- Check both sell it in your county.
- Get current premiums from both, plus household and bank-draft discounts.
- Ask each about recent rate increases; see rate increases in Washington.
- Remember you can switch later: Washington's switching rule covers Plans B through N.
Insurer pages: UnitedHealthcare Insurance Company · State Farm Insurance · All comparisons
Common questions
Is AARP / UnitedHealthcare or State Farm better for Medigap in Washington?
For any plan letter both sell, the benefits are the same. Compare current premiums, recent rate increases and discounts in your county. Both sell Plan A, Plan G, Plan N, Plan C, and Plan F.
Do AARP / UnitedHealthcare and State Farm both sell Plan G in Washington?
AARP / UnitedHealthcare: yes. State Farm: yes.
Can I switch from AARP / UnitedHealthcare to State Farm?
If you have Medigap Plan B through N, Washington lets you switch to another insurer's Plan B through N at any time with no health questions.