Clayton Barnes MartinezMD, MPH
Psychiatry & Neurology, Psychiatry
2027 Medicare Advantage
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Medicare Advantage plans for Alameda, Orange and Fresno 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 6 plans so far
Some of Imperial Health Plan of California, Inc., Aetna Medicare, Blue Shield of California, Alameda Alliance for Health, Align Senior Care, Alignment Health Plan, Anthem Blue Cross, Astiva Health, CalOptima Health OneCare, CCHP (Chinese Community Health Plan), Champion Heath Plan, Clever Care Health Plan, Humana, Kaiser Permanente, SCAN Health Plan, UnitedHealthcare, VillageHealth and Wellcare's 2027 plans in Alameda, Orange and Fresno counties, CA haven't been checked yet.
The 143 Medicare Advantage plans we show for Alameda, Orange and Fresno counties, CA in 2027
- 6 list Clayton
- 24 not listed
- 113 not checked yet

Imperial Health Plan of California, Inc.
4 plans list Clayton.
Imperial Courage Plan (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 2100 Powell St, Ste 400, Emeryville, CA, 94608
This result applies to these offices. Other locations are not confirmed.
$0a monthImperial Dynamic Plan (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 2100 Powell St, Ste 400, Emeryville, CA, 94608
This result applies to these offices. Other locations are not confirmed.
$0a monthImperial Senior Value (HMO C-SNP)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 2100 Powell St, Ste 400, Emeryville, CA, 94608
This result applies to these offices. Other locations are not confirmed.
$0a monthImperial Flex (HMO C-SNP)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 2100 Powell St, Ste 400, Emeryville, CA, 94608
This result applies to these offices. Other locations are not confirmed.
$2.70a month

Aetna Medicare
1 plan lists Clayton; not listed on 3 other plans.
Aetna Medicare Eagle (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 2100 Powell St, Emeryville, CA, 94608
- 2100 Powell St, Ste 400, Emeryville, CA, 94608
This result applies to these offices. Other locations are not confirmed.
$0a month
5 more Aetna Medicare plans haven't been checked yet.

Blue Shield of California
1 plan lists Clayton.
Blue Shield Inspire (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 2100 Powell St, Ste 400, Emeryville, CA, 94608
- 1501 Imperial Ave, San Diego, CA, 92101
This result applies to these offices. Other locations are not confirmed.
$60a month
5 more Blue Shield of California plans haven't been checked yet.

Alameda Alliance for Health
Not listed on its 1 plan here. That isn't proof they're out of network.

Align Senior Care
Not checked yet.

Alignment Health Plan
Not checked yet.
15 more Alignment Health Plan plans haven't been checked yet.

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

Astiva Health
Not checked yet.
CalOptima Health OneCare
Not checked yet.

CCHP (Chinese Community Health Plan)
Not listed on its 1 plan here. That isn't proof they're out of network.

Champion Heath Plan
Not checked yet.

Clever Care Health Plan
Not checked yet.

Humana
Not checked yet.

Kaiser Permanente
Not checked yet.
6 more Kaiser Permanente plans haven't been checked yet.

SCAN Health Plan
Not checked yet.
15 more SCAN Health Plan plans haven't been checked yet.

UnitedHealthcare
Not checked yet.
9 more UnitedHealthcare plans haven't been checked yet.
VillageHealth
Not 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 Clayton 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
3 practice locations
- NPI issued
- 2016
- Registry record updated
- Nov 19, 2024
Medicare's clinician details aren't available on this page yet.
Questions
Common questions
Which 2027 Medicare Advantage plans list Clayton Barnes Martinez?
In Alameda, Orange and Fresno counties, CA, 6 Medicare Advantage plans for 2027 list Clayton in provider data from Medicare.gov or the carrier, including Imperial Courage Plan (HMO), Imperial Dynamic Plan (HMO) and Imperial Senior Value (HMO C-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.
Where does Clayton Barnes Martinez practice?
3 locations, including 2100 Powell St, Emeryville, CA. All of them are listed on this page.
How do I confirm Clayton is in my plan's network?
Call the member services number on your plan card and give them the NPI 1922453513, 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, Orange and Fresno 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.