Joanna AgenaFNP-BC, APRN-RX
Nurse Practitioner
2027 Medicare Advantage
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Medicare Advantage plans for King County, WA.
Use the name or plan ID on your member card, or choose your insurance company.
Directory results See what each insurance company reports
The 55 Medicare Advantage plans we show for King County, WA in 2027
- 20 list Joanna
- 35 not listed

Humana
9 plans list Joanna; not listed on 4 other plans.
Humana Gold Plus H1036-321 (HMO)
Source: Humana provider directory.
Listed offices for this plan:
- 98-1005 Moanalua Rd, Aiea, HI, 96701
This result applies to these offices. Other locations are not confirmed.
$0a monthHumana USAA Honor Giveback (PPO)
Source: Humana provider directory.
Listed offices for this plan:
- 98-1005 Moanalua Rd, Aiea, HI, 96701
This result applies to these offices. Other locations are not confirmed.
$0a monthHumana USAA Honor Giveback (PPO)
Source: Humana provider directory.
Listed offices for this plan:
- 98-1005 Moanalua Rd, Aiea, HI, 96701
This result applies to these offices. Other locations are not confirmed.
$0a monthHumana USAA Honor Giveback (PPO)
Source: Humana provider directory.
Listed offices for this plan:
- 98-1005 Moanalua Rd, Aiea, HI, 96701
This result applies to these offices. Other locations are not confirmed.
$0a month

UnitedHealthcare
9 plans list Joanna; not listed on 6 other plans.
AARP Medicare Advantage from UHC WA-6 (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 98-1005 Moanalua Rd, Spc 4030, Aiea, HI, 96701
- 98-1005 Moanalua Rd, Aiea, HI, 96701
This result applies to these offices. Other locations are not confirmed.
$0a monthAARP Medicare Advantage from UHC WA-7 (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 98-1005 Moanalua Rd, Spc 4030, Aiea, HI, 96701
- 98-1005 Moanalua Rd, Aiea, HI, 96701
This result applies to these offices. Other locations are not confirmed.
$0a monthAARP Medicare Advantage Patriot No Rx WA-MA02 (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 98-1005 Moanalua Rd, Spc 4030, Aiea, HI, 96701
- 98-1005 Moanalua Rd, Aiea, HI, 96701
This result applies to these offices. Other locations are not confirmed.
$0a monthAARP Medicare Advantage Patriot No RX WA-MA3 (PPO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 98-1005 Moanalua Rd, Spc 4030, Aiea, HI, 96701
- 98-1005 Moanalua Rd, Aiea, HI, 96701
This result applies to these offices. Other locations are not confirmed.
$0a month

Wellpoint
2 plans list Joanna; not listed on 1 other plan.
Wellpoint Dual Advantage (HMO D-SNP)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 900 Blake Wilbur Dr, Palo Alto, CA, 94304
This result applies to these offices. Other locations are not confirmed.
$6.30a monthWellpoint Full Dual Advantage (HMO D-SNP)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 900 Blake Wilbur Dr, Palo Alto, CA, 94304
This result applies to these offices. Other locations are not confirmed.
$6.30a month

Aetna Medicare
Not listed on its 6 plans here. That isn't proof they're out of network.

Community Health Plan of WA Medicare Advantage
Not listed on its 2 plans here. That isn't proof they're out of network.

Devoted
Not listed on its 6 plans here. That isn't proof they're out of network.

Kaiser Permanente
Not listed on its 4 plans here. That isn't proof they're out of network.

Molina Healthcare of Washington, Inc.
Not listed on its 2 plans here. That isn't proof they're out of network.

Regence BlueShield
Not listed on its 2 plans here. That isn't proof they're out of network.

Wellcare
Not listed on its 2 plans here. That isn't proof they're out of network.
Premiums are each plan's own monthly premium, as filed with Medicare. You keep paying your Medicare Part B premium.
Can't find your plan?Tell us the plan you have, and a licensed Silverpath advisor will check whether Joanna takes it. Free.
Original Medicare
Original Medicare status
Most Medicare Supplement (Medigap) policies have no provider network: they help pay Original Medicare's cost sharing where Medicare is accepted. Medicare SELECT policies can require network providers for full benefits. Ask the office whether they accept Medicare.
Medicare enrollment and assignment have not been verified here. Advantage directory results do not answer this question.
No opt-out record in this CMS file. CMS's file covers data through 2026-08-31. This does not establish Medicare enrollment, assignment, or whether the office accepts new Medicare patients.
CMS opt-out source · Data through 2026-08-31 · Reviewed Oct 25, 2026
Where they practice
Practice location
- NPI issued
- 2012
- Registry record updated
- Aug 17, 2018
Medicare's clinician details aren't available on this page yet.
Questions
Common questions
Which 2027 Medicare Advantage plans list Joanna Agena?
In King County, WA, 20 Medicare Advantage plans for 2027 list Joanna in provider data from Medicare.gov or the carrier, including Humana Gold Plus H1036-321 (HMO) and Humana USAA Honor Giveback (PPO). CMS matches apply to the covered offices shown with each plan; other offices are not confirmed. Networks can change during the year, so confirm with the office or the plan before you enroll.
Does Joanna Agena take Humana Medicare Advantage plans?
Humana's own provider directory lists Joanna on 9 Medicare Advantage plans for 2027 in King County, WA, including Humana Gold Plus H1036-321 (HMO) and Humana USAA Honor Giveback (PPO). 4 other plans did not return a listing in the search area. Confirm with the office or Humana before you enroll.
Does Joanna Agena take UnitedHealthcare Medicare Advantage plans?
Medicare.gov provider data lists Joanna on 9 Medicare Advantage plans for 2027 in King County, WA, including AARP Medicare Advantage from UHC WA-6 (HMO-POS) and AARP Medicare Advantage from UHC WA-7 (HMO-POS). 6 other plans did not return a listing in the search area. CMS matches apply to the covered offices shown with each plan; other offices are not confirmed. Confirm with the office or UnitedHealthcare before you enroll.
Does Joanna Agena take Wellpoint Medicare Advantage plans?
Medicare.gov provider data lists Joanna on 2 Medicare Advantage plans for 2027 in King County, WA, including Wellpoint Dual Advantage (HMO D-SNP) and Wellpoint Full Dual Advantage (HMO D-SNP). 1 other plan did not return a listing in the search area. CMS matches apply to the covered offices shown with each plan; other offices are not confirmed. Confirm with the office or Wellpoint before you enroll.
Where does Joanna Agena practice?
1101 Madison St Ste 1500, Seattle, WA 98104.
How do I confirm Joanna is in my plan's network?
Call the member services number on your plan card and give them the NPI 1750656641, or ask a Silverpath advisor to check for you. It's free.
For providers
Is this your practice?
What patients see here today:
- Provider searches did not return a listing for Joanna Agena on 24 plans from Aetna Medicare, Community Health Plan of WA Medicare Advantage, Devoted, Kaiser Permanente, Molina Healthcare of Washington, Inc., Regence BlueShield and Wellcare in King County, WA. Other offices are not confirmed; this isn't proof the practice is out of network.
Tell us which plans you take, or want to take, and we'll keep this page accurate and talk with you about reaching more Medicare patients and carriers.