Provider profile

Jose Castellanos MonroyMD

Family Medicine

2 locationsNPI 1841814068
1411 E 31st St, Oakland, CA 94602510-437-4893

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Medicare Advantage plans for Alameda and San Joaquin counties, CA.

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Directory results See what each insurance company reports

Listed on 1 plan so far

Some of Alameda Alliance for Health, Aetna Medicare, Alignment Health Plan, Anthem Blue Cross and Blue Shield, Blue Shield of California, CCHP (Chinese Community Health Plan), Health Plan of San Joaquin / Mountain Valley Health Plan Advantage D-SNP (HMO), Humana, Imperial Health Plan of California, Inc., Kaiser Permanente, SCAN Health Plan, UnitedHealthcare and Wellcare's 2027 plans in Alameda and San Joaquin counties, CA haven't been checked yet.

The 55 Medicare Advantage plans we show for Alameda and San Joaquin counties, CA in 2027

  • 1 lists Jose
  • 29 not listed
  • 25 not checked yet

Alameda Alliance for Health

1 plan lists Jose.

1plan
  • Alameda Alliance Wellness (HMO D-SNP)

    Source: Medicare.gov provider data.

    Listed offices for this plan:

    • 1411 E 31st St, Oakland, CA, 94602

    This result applies to these offices. Other locations are not confirmed.

    HMOFor people with Medicare and MedicaidDrug coverageH2035-001-000Medicare.gov
    $7.30a month

Aetna Medicare

Not checked yet.

2 more Aetna Medicare plans haven't been checked yet.

Alignment Health Plan

Not checked yet.

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

Anthem Blue Cross and Blue Shield

Not checked yet.

Blue Shield of California

Not checked yet.

2 more Blue Shield of California plans haven'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.

Health Plan of San Joaquin / Mountain Valley Health Plan Advantage D-SNP (HMO)

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 checked yet.

3 more Kaiser Permanente plans haven't been checked yet.

SCAN Health Plan

Not checked yet.

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

UnitedHealthcare

Not listed on its 2 plans here. That isn't proof they're out of network.

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 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

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2 practice locations

1411 E 31st St
Oakland, CA 94602

NPI Registry

500 W Hospital Rd
French Camp, CA 95231

NPI Registry
NPI issued
2020
Registry record updated
Jul 17, 2024

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

Common questions

Which 2027 Medicare Advantage plans list Jose Castellanos Monroy?

In Alameda and San Joaquin counties, CA, 1 Medicare Advantage plan for 2027 lists Jose in provider data from Medicare.gov or the carrier, including Alameda Alliance Wellness (HMO D-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 Jose Castellanos Monroy practice?

2 locations, including 1411 E 31st St, Oakland, CA. All of them are listed on this page.

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

Call the member services number on your plan card and give them the NPI 1841814068, or ask a Silverpath advisor to check for you. It's free.

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A Silverpath advisor can confirm Jose's networks with the carrier and help you compare plans that include them.

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Is this your practice?

Patients can use Silverpath to find practices and check plan networks in Alameda and San Joaquin 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.

Sources. Name, specialty and locations: the CMS NPI Registry (record updated 2024-07-17). 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.

Silverpath is a licensed insurance agency. This page isn't affiliated with or endorsed by Jose Castellanos Monroy or their practice. Not connected with or endorsed by the U.S. government or the federal Medicare program.

We do not offer every plan available in your area. Please contact Medicare.gov or 1-800-MEDICARE to get information on all of your options.

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