Gaston DeysineMD
Orthopaedic Surgery
2027 Medicare Advantage
Check your plan
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
- 6 list Gaston
- 49 not listed

Devoted
6 plans list Gaston.
DEVOTED CORE 001 WA (HMO)
Source: Devoted provider directory.
Listed offices for this plan:
- 33501 1st Way S, Federal Way, WA, 98003
- 19116 33rd Ave W, Lynnwood, WA, 98036
This result applies to these offices. Other locations are not confirmed.
$0a monthDEVOTED GIVEBACK 002 WA (HMO)
Source: Devoted provider directory.
Listed offices for this plan:
- 33501 1st Way S, Federal Way, WA, 98003
- 19116 33rd Ave W, Lynnwood, WA, 98036
This result applies to these offices. Other locations are not confirmed.
$0a monthDEVOTED GIVEBACK EXTRAS 022 WA (HMO)
Source: Devoted provider directory.
Listed offices for this plan:
- 33501 1st Way S, Federal Way, WA, 98003
- 19116 33rd Ave W, Lynnwood, WA, 98036
This result applies to these offices. Other locations are not confirmed.
$0a monthDEVOTED C-SNP ENHANCED 003 WA (HMO C-SNP)
Source: Devoted provider directory.
Listed offices for this plan:
- 33501 1st Way S, Federal Way, WA, 98003
This result applies to these offices. Other locations are not confirmed.
$0a 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.

Humana
Not listed on its 13 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.

UnitedHealthcare
Not listed on its 15 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.

Wellpoint
Not listed on its 3 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 Gaston 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
- 2006
- Registry record updated
- Jan 26, 2015
Medicare's clinician details aren't available on this page yet.
Questions
Common questions
Which 2027 Medicare Advantage plans list Gaston Deysine?
In King County, WA, 6 Medicare Advantage plans for 2027 list Gaston in the carrier's own provider directory, including DEVOTED CORE 001 WA (HMO), DEVOTED GIVEBACK 002 WA (HMO) and DEVOTED GIVEBACK EXTRAS 022 WA (HMO). Networks can change during the year, so confirm with the office or the plan before you enroll.
Does Gaston Deysine take Devoted Medicare Advantage plans?
Devoted's own provider directory lists Gaston on 6 Medicare Advantage plans for 2027 in King County, WA, including DEVOTED CORE 001 WA (HMO) and DEVOTED GIVEBACK 002 WA (HMO). Confirm with the office or Devoted before you enroll.
Does Gaston Deysine take Aetna Medicare Medicare Advantage plans?
The provider searches didn't return a listing for Gaston on these 6 plans for 2027 in King County, WA. Directories can lag, and a clinician can be in network at another office, so that isn't proof Gaston is out of network. Ask the office or a Silverpath advisor to confirm.
Does Gaston Deysine take Community Health Plan of WA Medicare Advantage Medicare Advantage plans?
The provider searches didn't return a listing for Gaston on these 2 plans for 2027 in King County, WA. Directories can lag, and a clinician can be in network at another office, so that isn't proof Gaston is out of network. Ask the office or a Silverpath advisor to confirm.
Where does Gaston Deysine practice?
33501 1st Way S, Federal Way, WA 98003.
How do I confirm Gaston is in my plan's network?
Call the member services number on your plan card and give them the NPI 1376569566, 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 Gaston Deysine on 49 plans from Aetna Medicare, Community Health Plan of WA Medicare Advantage, Humana, Kaiser Permanente, Molina Healthcare of Washington, Inc., Regence BlueShield, UnitedHealthcare, Wellcare and Wellpoint 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.