Semon BaderMD
Orthopaedic Surgery, Sports Medicine
2027 Medicare Advantage
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Medicare Advantage plans for Contra Costa County, CA.
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Directory results See what each insurance company reports
The 10 Medicare Advantage plans we show for Contra Costa County, CA in 2027
- 6 list Semon
- 4 not listed
Imperial Health Plan of California, Inc.
4 plans list Semon.
Imperial Courage Plan (HMO)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 1800 Sutter St, Ste 100, Concord, CA, 94520
- 2625 Shadelands Dr, Walnut Creek, CA, 94598
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:
- 1800 Sutter St, Ste 100, Concord, CA, 94520
- 2625 Shadelands Dr, Walnut Creek, CA, 94598
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:
- 1800 Sutter St, Ste 100, Concord, CA, 94520
- 2625 Shadelands Dr, Walnut Creek, CA, 94598
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:
- 1800 Sutter St, Ste 100, Concord, CA, 94520
- 2625 Shadelands Dr, Walnut Creek, CA, 94598
This result applies to these offices. Other locations are not confirmed.
$2.70a month
Contra Costa Health Care Plus (HMO D-SNP)
1 plan lists Semon.
Contra Costa Health Care Plus (HMO D-SNP)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 1800 Sutter St, Ste 100, Concord, CA, 94520
- 2625 Shadelands Dr, Walnut Creek, CA, 94598
- 31396 PO Box, Walnut Creek, CA, 94598
- 2500 Alhambra Ave, Martinez, CA, 94553
- 2311 Loveridge Rd, Pittsburg, CA, 94565
- 101 Sand Creek Rd, # A, Brentwood, CA, 94513
This result applies to these offices. Other locations are not confirmed.
$7.30a month
UnitedHealthcare
1 plan lists Semon.
UHC Complete Care Support CA-8AP (HMO-POS C-SNP)
Source: Medicare.gov provider data.
Listed offices for this plan:
- 1800 Sutter St, Ste 100, Concord, CA, 94520
- 101 Sand Creek Rd, # A, Brentwood, CA, 94513
This result applies to these offices. Other locations are not confirmed.
$0a month
Humana
Not listed on its 1 plan 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.
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 Semon 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 25, 2026
Where they practice
3 practice locations
- NPI issued
- 2007
- Registry record updated
- Nov 7, 2025
Medicare's clinician details aren't available on this page yet.
Questions
Common questions
Which 2027 Medicare Advantage plans list Semon Bader?
In Contra Costa County, CA, 6 Medicare Advantage plans for 2027 list Semon 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.
Does Semon Bader take Imperial Health Plan of California, Inc. Medicare Advantage plans?
Medicare.gov provider data lists Semon on 4 Medicare Advantage plans for 2027 in Contra Costa County, CA, including Imperial Courage Plan (HMO) and Imperial Dynamic Plan (HMO). CMS matches apply to the covered offices shown with each plan; other offices are not confirmed. Confirm with the office or Imperial Health Plan of California, Inc. before you enroll.
Does Semon Bader take Contra Costa Health Care Plus (HMO D-SNP) Medicare Advantage plans?
Medicare.gov provider data lists Semon on one Medicare Advantage plan for 2027 in Contra Costa County, CA: Contra Costa Health 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 Contra Costa Health Care Plus (HMO D-SNP) before you enroll.
Does Semon Bader take UnitedHealthcare Medicare Advantage plans?
Medicare.gov provider data lists Semon on one Medicare Advantage plan for 2027 in Contra Costa County, CA: UHC Complete Care Support CA-8AP (HMO-POS C-SNP). CMS matches apply to the covered offices shown with each plan; other offices are not confirmed. Confirm with the office or UnitedHealthcare before you enroll.
Where does Semon Bader practice?
3 locations, including 1800 Sutter St Ste 100, Concord, CA. All of them are listed on this page.
How do I confirm Semon is in my plan's network?
Call the member services number on your plan card and give them the NPI 1750581278, 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 Semon Bader on 4 plans from Humana and Kaiser Permanente in Contra Costa 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.