Keith CastanetoMD
Family Medicine
2027 Medicare Advantage
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Medicare Advantage plans for Alameda and San Francisco counties, CA.
Use the name or plan ID on your member card, or choose your insurance company.
Directory results See what each insurance company reports
Listed on 19 plans so far
Some of Alignment Health Plan, SCAN Health Plan, Aetna Medicare, Alameda Alliance for Health, Blue Shield of California, CCHP (Chinese Community Health Plan), Anthem Blue Cross, Humana, Imperial Health Plan of California, Inc., Kaiser Permanente, San Francisco Health Plan, UnitedHealthcare and Wellcare's 2027 plans in Alameda and San Francisco counties, CA haven't been checked yet.
The 54 Medicare Advantage plans we show for Alameda and San Francisco counties, CA in 2027
- 19 list Keith
- 11 not listed
- 24 not checked yet

Alignment Health Plan
9 plans list Keith.
Alignment Health My Choice 050 (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 400 Evelyn Ave, Ste 107, Albany, CA, 94706
This result applies to these offices. Other locations are not confirmed.
$0a monthCentral Health Harmony 031 (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 400 Evelyn Ave, Ste 107, Albany, CA, 94706
This result applies to these offices. Other locations are not confirmed.
$0a monthAlignment Health Honor Plus 060 (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 400 Evelyn Ave, Ste 107, Albany, CA, 94706
This result applies to these offices. Other locations are not confirmed.
$7.30a monthAlignment Health BreathEasy Plus 041 (HMO C-SNP)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 400 Evelyn Ave, Ste 107, Albany, CA, 94706
This result applies to these offices. Other locations are not confirmed.
$0a month
3 more Alignment Health Plan plans haven't been checked yet.

SCAN Health Plan
4 plans list Keith; not listed on 1 other plan.
SCAN Classic (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 400 Evelyn Ave, Ste 107, Albany, CA, 94706
This result applies to these offices. Other locations are not confirmed.
$0a monthSCAN Costco Medicare Advantage (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 400 Evelyn Ave, Ste 107, Albany, CA, 94706
This result applies to these offices. Other locations are not confirmed.
$0a monthSCAN Balance (HMO C-SNP)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 400 Evelyn Ave, Ste 107, Albany, CA, 94706
This result applies to these offices. Other locations are not confirmed.
$0a monthSCAN Strive (HMO C-SNP)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 400 Evelyn Ave, Ste 107, Albany, CA, 94706
This result applies to these offices. Other locations are not confirmed.
$0a month
6 more SCAN Health Plan plans haven't been checked yet.

Aetna Medicare
3 plans list Keith; not listed on 1 other plan.
Aetna Medicare Eagle (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 400 Evelyn Ave, Ste 107, Albany, CA, 94706
This result applies to these offices. Other locations are not confirmed.
$0a monthAetna Medicare Signature Extra (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 400 Evelyn Ave, Ste 107, Albany, CA, 94706
This result applies to these offices. Other locations are not confirmed.
$0a monthAetna Medicare Signature (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 400 Evelyn Ave, Ste 107, Albany, CA, 94706
This result applies to these offices. Other locations are not confirmed.
$10a month

Alameda Alliance for Health
1 plan lists Keith.
Alameda Alliance Wellness (HMO D-SNP)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 12 Camino Encinas, Orinda, CA, 94563
- 795 El Camino Real, Palo Alto, CA, 94301
This result applies to these offices. Other locations are not confirmed.
$7.30a month

Blue Shield of California
1 plan lists Keith.
Blue Shield Inspire (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 400 Evelyn Ave, Ste 107, Albany, CA, 94706
This result applies to these offices. Other locations are not confirmed.
$60a month

CCHP (Chinese Community Health Plan)
1 plan lists Keith.
CCHP Senior Value Program (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 1080 Monroe St, # 120, Albany, CA, 94706
- 2920 Telegraph Ave, Ste 100, Berkeley, CA, 94705
- 2690 5th St, # B, Alameda, CA, 94501
- 2671 Blanding Ave, Ste B, Alameda, CA, 94501
This result applies to these offices. Other locations are not confirmed.
$0a month
3 more CCHP (Chinese Community Health Plan) plans haven't been checked yet.

Anthem Blue Cross · Anthem Blue Cross Partnership Plan
Not checked yet.

Humana
Not checked yet.

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.
2 more Kaiser Permanente plans haven't been checked yet.

San Francisco Health Plan
Not checked yet.

UnitedHealthcare
Not checked yet.
1 more UnitedHealthcare plan hasn't been checked yet.

Wellcare
Not checked yet.
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 Keith 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 24, 2026
Where they practice
4 practice locations
- NPI issued
- 2014
- Registry record updated
- Jul 31, 2025
Medicare's clinician details aren't available on this page yet.
Questions
Common questions
Which 2027 Medicare Advantage plans list Keith Castaneto?
In Alameda and San Francisco counties, CA, 19 Medicare Advantage plans for 2027 list Keith in provider data from Medicare.gov or the carrier, including Alignment Health My Choice 050 (HMO), Central Health Harmony 031 (HMO) and Alignment Health Honor Plus 060 (HMO). 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.
Where does Keith Castaneto practice?
4 locations, including 400 Evelyn Ave Ste 107, Albany, CA. All of them are listed on this page.
How do I confirm Keith is in my plan's network?
Call the member services number on your plan card and give them the NPI 1528478195, 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 Alameda and San Francisco 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.