John ChanMD
Ophthalmology
2027 Medicare Advantage
Plans that list John
From each carrier's own provider directory, for Alameda County, CA.
Not checked yet
We haven't asked UnitedHealthcare's directories about John yet. A Silverpath advisor can check for you now.
The 30 Medicare Advantage plans we show for Alameda County, CA in 2027
- 2 not checked yet
- 28 we can't check automatically
Search by plan name, or by the plan ID on your member card (30 plans for 2027).

UnitedHealthcare
Not checked yet.
Also selling plans in Alameda County, CA
These carriers don't publish a directory we can check automatically, so this page can't say either way. Pick one to see its plans; a Silverpath advisor can confirm any of them with the carrier.
Premiums are each plan's own monthly premium, as filed with Medicare. You keep paying your Medicare Part B premium.
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Original Medicare + a Medicare Supplement
Coverage alongside Original Medicare
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.
Where they practice
Practice location
- NPI issued
- 2007
- Registry record updated
- Dec 6, 2021
Medicare's clinician details aren't available on this page yet.
Questions
Common questions
Where does John Chan practice?
3553 Whipple Rd, Union City, CA 94587.
How do I confirm John is in my plan's network?
Call the member services number on your plan card and give them the NPI 1609928837, or ask a Silverpath advisor to check for you. It's free.
For providers
Is this your practice?
Patients in Alameda County, CA can also choose plans from Alignment Health Plan, SCAN Health Plan and Aetna Medicare. 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.