Zachary BosshardtMD
Psychiatry & Neurology, Psychiatry
2027 Medicare Advantage
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Medicare Advantage plans for Contra Costa County, CA and DeKalb County, GA.
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Directory results See what each insurance company reports
Not checked yet
We haven't asked Aetna Medicare, Anthem Blue Cross and Blue Shield, Clover Health, Contra Costa Health Care Plus (HMO D-SNP), Devoted, HealthSpring, Humana, Imperial Health Plan of California, Inc., Kaiser Permanente, PruittHealth Premier, UnitedHealthcare and Wellcare's directories about Zachary yet. A Silverpath advisor can check for you now.
The 98 Medicare Advantage plans we show for Contra Costa County, CA and DeKalb County, GA in 2027
- 10 not listed
- 88 not checked yet

Aetna Medicare
Not checked yet.

Anthem Blue Cross and Blue Shield
Not checked yet.

Clover Health
Not checked yet.
Contra Costa Health Care Plus (HMO D-SNP)
Not listed on its 1 plan here. That isn't proof they're out of network.

Devoted
Not checked yet.

HealthSpring
Not checked yet.

Humana
Not checked yet.
27 more Humana plans haven't been 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.
8 more Kaiser Permanente plans haven't been checked yet.

PruittHealth Premier
Not checked yet.

UnitedHealthcare
Not checked yet.
8 more UnitedHealthcare plans haven'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 Zachary 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 21, 2026
Where they practice
2 practice locations
- NPI issued
- 2020
- Registry record updated
- Jul 30, 2025
Medicare's clinician details aren't available on this page yet.
Questions
Common questions
Where does Zachary Bosshardt practice?
2 locations, including 2500 Alhambra Ave, Martinez, CA. All of them are listed on this page.
How do I confirm Zachary is in my plan's network?
Call the member services number on your plan card and give them the NPI 1659900264, 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 Contra Costa County, CA and DeKalb County, GA. 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.