Provider profile

James KarolMD

Specialist

2 locationsNPI 1306840954
3300 Webster St, Ste 710, Oakland, CA 94609510-465-5800

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We haven't asked Aetna Medicare, Alameda Alliance for Health, Alignment Health Plan, Blue Shield of California, CCHP (Chinese Community Health Plan), Devoted, Humana, Imperial Health Plan of California, Inc., Kaiser Permanente, MediGold, Molina Healthcare of Iowa, Inc., SCAN Health Plan, UnitedHealthcare, Wellcare and Wellpoint's directories about James yet. A Silverpath advisor can check for you now.

The 68 Medicare Advantage plans we show for Alameda County, CA and Dallas County, IA in 2027

  • 30 not listed
  • 38 not checked yet

Aetna Medicare

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11 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 listed on its 9 plans here. That isn't proof they're out of network.

Blue Shield of California

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

CCHP (Chinese Community Health Plan)

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

Devoted

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 listed on its 3 plans here. That isn't proof they're out of network.

MediGold

Not checked yet.

Molina Healthcare of Iowa, Inc.

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SCAN Health Plan

Not listed on its 5 plans here. That isn't proof they're out of network.

UnitedHealthcare

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7 more UnitedHealthcare plans haven't been checked yet.

Wellcare

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Wellpoint

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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 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

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2 practice locations

3300 Webster St, Ste 710
Oakland, CA 94609

NPI Registry

5950 University Ave Ste 341
West Des Moines, IA 50266

NPI Registry
NPI issued
2005
Registry record updated
Feb 15, 2019

Medicare's clinician details aren't available on this page yet.

Common questions

Where does James Karol practice?

2 locations, including 3300 Webster St, Oakland, CA. All of them are listed on this page.

How do I confirm James is in my plan's network?

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Patients can use Silverpath to find practices and check plan networks in Alameda County, CA and Dallas County, IA. 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.

Sources. Name, specialty and locations: the CMS NPI Registry (record updated 2019-02-15). Plan networks: carrier provider directories and Medicare.gov provider data, checked Oct 13, 2026. CMS matches apply to the covered offices shown with each plan. Plans: CMS 2027 Medicare Advantage landscape.

Networks change during the year, and a directory can be out of date. Confirm with the provider's office and the plan before you enroll or schedule care.

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