Sergio Alvarez-Cardenas
Physician Assistant
2027 Medicare Advantage
Check your plan
Medicare Advantage plans for San Francisco County, CA.
Use the name or plan ID on your member card, or choose your insurance company.
Directory results See what each insurance company reports
The 44 Medicare Advantage plans we show for San Francisco County, CA in 2027
- 4 list Sergio
- 40 not listed

Anthem Blue Cross · Anthem Blue Cross Partnership Plan
3 plans list Sergio.
Anthem Prime (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 3838 California St, San Francisco, CA, 94118
This result applies to these offices. Other locations are not confirmed.
$0a monthAnthem Select (HMO-POS)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 3838 California St, San Francisco, CA, 94118
This result applies to these offices. Other locations are not confirmed.
$0a monthAnthem Full Dual Advantage Aligned (HMO D-SNP)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 3838 California St, San Francisco, CA, 94118
This result applies to these offices. Other locations are not confirmed.
$0a month

San Francisco Health Plan
1 plan lists Sergio.
SFHP Care Plus (HMO D-SNP)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 3838 California St, Rm 805, San Francisco, CA, 94118
This result applies to these offices. Other locations are not confirmed.
$7.30a month

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

Alignment Health Plan
Not listed on its 12 plans here. That isn't proof they're out of network.

CCHP (Chinese Community Health Plan)
Not listed on its 3 plans here. That isn't proof they're out of network.

Humana
Not listed on its 2 plans 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 listed on its 3 plans here. That isn't proof they're out of network.

SCAN Health Plan
Not listed on its 7 plans here. That isn't proof they're out of network.

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

Wellcare
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 Sergio 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 23, 2026
Where they practice
Practice location
- NPI issued
- 2023
- Registry record updated
- Oct 24, 2025
Medicare's clinician details aren't available on this page yet.
Questions
Common questions
Which 2027 Medicare Advantage plans list Sergio Alvarez-Cardenas?
In San Francisco County, CA, 4 Medicare Advantage plans for 2027 list Sergio in provider data from Medicare.gov or the carrier, including Anthem Prime (HMO-POS), Anthem Select (HMO-POS) and Anthem Full Dual Advantage Aligned (HMO D-SNP). 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 Sergio Alvarez-Cardenas take Anthem Blue Cross Medicare Advantage plans?
Medicare.gov provider data lists Sergio on 3 Medicare Advantage plans for 2027 in San Francisco County, CA, including Anthem Prime (HMO-POS) and Anthem Select (HMO-POS). CMS matches apply to the covered offices shown with each plan; other offices are not confirmed. Confirm with the office or Anthem Blue Cross before you enroll.
Does Sergio Alvarez-Cardenas take San Francisco Health Plan Medicare Advantage plans?
Medicare.gov provider data lists Sergio on one Medicare Advantage plan for 2027 in San Francisco County, CA: SFHP Care Plus (HMO D-SNP). CMS matches apply to the covered offices shown with each plan; other offices are not confirmed. Confirm with the office or San Francisco Health Plan before you enroll.
Does Sergio Alvarez-Cardenas take Aetna Medicare Medicare Advantage plans?
The provider searches didn't return a listing for Sergio on these 4 plans for 2027 in San Francisco County, CA. Directories can lag, and a clinician can be in network at another office, so that isn't proof Sergio is out of network. Ask the office or a Silverpath advisor to confirm.
Where does Sergio Alvarez-Cardenas practice?
3838 California St Rm 805, San Francisco, CA 94118.
How do I confirm Sergio is in my plan's network?
Call the member services number on your plan card and give them the NPI 1841903911, 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 Sergio Alvarez-Cardenas on 40 plans from Aetna Medicare, Alignment Health Plan, CCHP (Chinese Community Health Plan), Humana, Imperial Health Plan of California, Inc., Kaiser Permanente, SCAN Health Plan, UnitedHealthcare and Wellcare in San Francisco County, CA. 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.