Gregory ChenMD
Urology
2027 Medicare Advantage
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Medicare Advantage plans for Monterey and Alameda counties, CA.
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Directory results See what each insurance company reports
Not checked yet
We haven't asked Aetna Medicare, Alameda Alliance for Health, Alignment Health Plan, Anthem Blue Cross and Blue Shield, Aspire Health, Blue Shield of California, CCHP (Chinese Community Health Plan), Central California Alliance for Health, Imperial Health Plan of California, Inc., Kaiser Permanente, SCAN Health Plan and UnitedHealthcare's directories about Gregory yet. A Silverpath advisor can check for you now.
The 36 Medicare Advantage plans we show for Monterey and Alameda counties, CA in 2027
- 10 not listed
- 26 not checked yet
Aetna Medicare
Not checked yet.
Alameda Alliance for Health
Not checked yet.
Alignment Health Plan
Not checked yet.
Anthem Blue Cross and Blue Shield
Not listed on its 1 plan here. That isn't proof they're out of network.
Aspire Health
Not listed on its 4 plans here. That isn't proof they're out of network.
Blue Shield of California
Not checked yet.
CCHP (Chinese Community Health Plan)
Not checked yet.
Central California Alliance for Health
Not listed on its 1 plan here. That isn't proof they're out of network.
Imperial Health Plan of California, Inc.
Not listed on its 4 plans here. That isn't proof they're out of network.
Kaiser Permanente
Not checked yet.
SCAN Health Plan
Not checked yet.
UnitedHealthcare
Not checked yet.
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
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 24, 2026
Where they practice
2 practice locations
- NPI issued
- 2006
- Registry record updated
- Sep 25, 2026
Medicare's clinician details aren't available on this page yet.
Questions
Common questions
Where does Gregory Chen practice?
2 locations, including 2 Upper Ragsdale Dr Bldg E, Monterey, CA. All of them are listed on this page.
How do I confirm Gregory is in my plan's network?
Call the member services number on your plan card and give them the NPI 1699853457, or ask a Silverpath advisor to check for you. It's free.
For providers
Is this your practice?
Patients can use Silverpath to find practices and check plan networks in Monterey and Alameda counties, CA. 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.