Thomas BlumenfeldMD
Orthopaedic Surgery
2027 Medicare Advantage
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Medicare Advantage plans for Alameda and Sacramento counties, CA.
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Not checked yet
We haven't asked Aetna Medicare, Alameda Alliance for Health, Alignment Health Plan, Anthem Blue Cross, Blue Shield of California, CCHP (Chinese Community Health Plan), Imperial Health Plan of California, Inc., Kaiser Permanente, Molina Healthcare of California, SCAN Health Plan, UnitedHealthcare and Wellcare's directories about Thomas yet. A Silverpath advisor can check for you now.
The 47 Medicare Advantage plans we show for Alameda and Sacramento counties, CA in 2027
- 30 not listed
- 17 not checked yet
Aetna Medicare
Not checked yet.
3 more Aetna Medicare 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.
Alignment Health Plan
Not checked yet.
2 more Alignment Health Plan plans haven't been checked yet.
Anthem Blue Cross
Not checked yet.
Blue Shield of California
Not checked yet.
1 more Blue Shield of California plan hasn't been checked yet.
CCHP (Chinese Community Health Plan)
Not listed on its 1 plan 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 checked yet.
3 more Kaiser Permanente plans haven't been checked yet.
Molina Healthcare of California
Not checked yet.
SCAN Health Plan
Not checked yet.
4 more SCAN Health Plan plans haven't been 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.
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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
2 practice locations
- NPI issued
- 2006
- Registry record updated
- Apr 22, 2020
Medicare's clinician details aren't available on this page yet.
Questions
Common questions
Where does Thomas Blumenfeld practice?
2 locations, including 5725 W Las Positas Blvd Ste 200, Pleasanton, CA. All of them are listed on this page.
How do I confirm Thomas is in my plan's network?
Call the member services number on your plan card and give them the NPI 1962479089, 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 Sacramento 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.