Provider profile

Esther ChungMD

Obstetrics & Gynecology, Reproductive Endocrinology

NPI 1962908855
1195 W Fremont Ave, Sunnyvale, CA 94087919-684-8111

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Medicare Advantage plans for Santa Clara County, CA.

Checked Oct 13, 2026

Use the name or plan ID on your member card, or choose your insurance company.

Directory results See what each insurance company reports

The 34 Medicare Advantage plans we show for Santa Clara County, CA in 2027

  • 9 list Esther
  • 25 not listed

Alignment Health Plan

7 plans list Esther; not listed on 6 other plans.

7plans
  • Alignment Health My Choice 050 (HMO)

    Source: Medicare.gov provider data.

    Listed offices for this plan:

    • 1950 Sunny Crest Dr, Ste 2400, Fullerton, CA, 92835

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

    HMODrug coverage3.5 starsH3815-050-000Medicare.gov
    $0a month
  • Alignment Health Honor Plus 060 (HMO)

    Source: Medicare.gov provider data.

    Listed offices for this plan:

    • 1950 Sunny Crest Dr, Ste 2400, Fullerton, CA, 92835

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

    HMODrug coverage3.5 starsH3815-060-000Medicare.gov
    $7.30a month
  • Alignment Health BreathEasy Plus 041 (HMO C-SNP)

    Source: Medicare.gov provider data.

    Listed offices for this plan:

    • 1950 Sunny Crest Dr, Ste 2400, Fullerton, CA, 92835

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

    HMOFor people with certain chronic conditionsDrug coverage3.5 starsH3815-041-000Medicare.gov
    $0a month
  • Alignment Health Heart & Diabetes 010 (HMO C-SNP)

    Source: Medicare.gov provider data.

    Listed offices for this plan:

    • 1950 Sunny Crest Dr, Ste 2400, Fullerton, CA, 92835

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

    HMOFor people with certain chronic conditionsDrug coverage3.5 starsH3815-010-000Medicare.gov
    $0a month

Aetna Medicare

1 plan lists Esther; not listed on 2 other plans.

1plan
  • Aetna Medicare Eagle (HMO)

    Source: Medicare.gov provider data.

    Listed offices for this plan:

    • 1950 Sunny Crest Dr, Ste 2400, Fullerton, CA, 92835
    • 20360 SW Birch St, Fl 2, Newport Beach, CA, 92660

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

    HMONo drug coverage3 starsH0523-099-000Medicare.gov
    $0a month

Blue Shield of California

1 plan lists Esther.

1plan
  • Blue Shield Inspire (HMO)

    Source: Medicare.gov provider data.

    Listed offices for this plan:

    • 1950 Sunny Crest Dr, Fullerton, CA, 92835
    • 20360 SW Birch St, Fl 2, Newport Beach, CA, 92660

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

    HMODrug coverage4 starsH0504-047-000Medicare.gov
    $61a month

Anthem Blue Cross

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

Astiva Health

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

Santa Clara Family Health Plan

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

SCAN Health Plan

Not listed on its 5 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 Esther takes it. Free.

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

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Practice location

1195 W Fremont Ave
Sunnyvale, CA 94087

NPI Registry
NPI issued
2018
Registry record updated
Jun 1, 2023

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

Common questions

Which 2027 Medicare Advantage plans list Esther Chung?

In Santa Clara County, CA, 9 Medicare Advantage plans for 2027 list Esther in provider data from Medicare.gov or the carrier, including Alignment Health My Choice 050 (HMO), Alignment Health Honor Plus 060 (HMO) and Alignment Health BreathEasy Plus 041 (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 Esther Chung take Alignment Health Plan Medicare Advantage plans?

Medicare.gov provider data lists Esther on 7 Medicare Advantage plans for 2027 in Santa Clara County, CA, including Alignment Health My Choice 050 (HMO) and Alignment Health Honor Plus 060 (HMO). 6 other plans did not return a listing in the search area. CMS matches apply to the covered offices shown with each plan; other offices are not confirmed. Confirm with the office or Alignment Health Plan before you enroll.

Does Esther Chung take Aetna Medicare Medicare Advantage plans?

Medicare.gov provider data lists Esther on one Medicare Advantage plan for 2027 in Santa Clara County, CA: Aetna Medicare Eagle (HMO). 2 other plans did not return a listing in the search area. CMS matches apply to the covered offices shown with each plan; other offices are not confirmed. Confirm with the office or Aetna Medicare before you enroll.

Does Esther Chung take Blue Shield of California Medicare Advantage plans?

Medicare.gov provider data lists Esther on one Medicare Advantage plan for 2027 in Santa Clara County, CA: Blue Shield Inspire (HMO). CMS matches apply to the covered offices shown with each plan; other offices are not confirmed. Confirm with the office or Blue Shield of California before you enroll.

Where does Esther Chung practice?

1195 W Fremont Ave, Sunnyvale, CA 94087.

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

Call the member services number on your plan card and give them the NPI 1962908855, or ask a Silverpath advisor to check for you. It's free.

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

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For providers

Is this your practice?

What patients see here today:

  • Provider searches did not return a listing for Esther Chung on 17 plans from Anthem Blue Cross, Astiva Health, Imperial Health Plan of California, Inc., Kaiser Permanente, Santa Clara Family Health Plan and SCAN Health Plan in Santa Clara 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.

Sources. Name, specialty and locations: the CMS NPI Registry (record updated 2023-06-01). 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 Esther Chung 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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