Stanford PengMD, PHD, FACP
Internal Medicine, Rheumatology
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
- 7 list Stanford
- 48 not listed
Humana
7 plans list Stanford; not listed on 6 other plans.
Humana Gold Plus H1036-321 (HMO)
Source: Humana provider directory.
Listed offices for this plan:
- 801 Broadway, Ste 901, Seattle, WA, 98122
This result applies to these offices. Other locations are not confirmed.
$0a monthHumana Gold Plus H5619-057 (HMO)
Source: Humana provider directory.
Listed offices for this plan:
- 801 Broadway, Ste 901, Seattle, WA, 98122
This result applies to these offices. Other locations are not confirmed.
$0a monthHumana Gold Plus H5619-061 (HMO)
Source: Humana provider directory.
Listed offices for this plan:
- 801 Broadway, Ste 901, Seattle, WA, 98122
This result applies to these offices. Other locations are not confirmed.
$86a monthHumana Dual Select H5619-165 (HMO D-SNP)
Source: Humana provider directory.
Listed offices for this plan:
- 801 Broadway, Ste 901, Seattle, WA, 98122
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.
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.
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 Stanford 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
2 practice locations
- NPI issued
- 2006
- Registry record updated
- Feb 12, 2021
Medicare's clinician details aren't available on this page yet.
Questions
Common questions
Which 2027 Medicare Advantage plans list Stanford Peng?
In King County, WA, 7 Medicare Advantage plans for 2027 list Stanford in the carrier's own provider directory, including Humana Gold Plus H1036-321 (HMO), Humana Gold Plus H5619-057 (HMO) and Humana Gold Plus H5619-061 (HMO). Networks can change during the year, so confirm with the office or the plan before you enroll.
Does Stanford Peng take Humana Medicare Advantage plans?
Humana's own provider directory lists Stanford on 7 Medicare Advantage plans for 2027 in King County, WA, including Humana Gold Plus H1036-321 (HMO) and Humana Gold Plus H5619-057 (HMO). 6 other plans did not return a listing in the search area. Confirm with the office or Humana before you enroll.
Does Stanford Peng take Aetna Medicare Medicare Advantage plans?
The provider searches didn't return a listing for Stanford 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 Stanford is out of network. Ask the office or a Silverpath advisor to confirm.
Does Stanford Peng take Community Health Plan of WA Medicare Advantage Medicare Advantage plans?
The provider searches didn't return a listing for Stanford 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 Stanford is out of network. Ask the office or a Silverpath advisor to confirm.
Where does Stanford Peng practice?
2 locations, including 188 E Blaine St Ste 200, Seattle, WA. All of them are listed on this page.
How do I confirm Stanford is in my plan's network?
Call the member services number on your plan card and give them the NPI 1174568489, 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 Stanford Peng on 42 plans from Aetna Medicare, Community Health Plan of WA Medicare Advantage, Devoted, 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.