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Financial

Accounts to help you save and pay for health care expenses

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  • Resources

    Find contribution limits, savings tools, calculators and eligible expenses

  • Account support

    Find contact information and frequently asked questions

Tax season resources

Get ready for HSA tax season

If you used an HSA this year, the HSA Tax Center offers general information about contributions, eligible expenses and commonly used tax forms — all in one place.

Pharmacy

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  • Optum Rx

    For people with pharmacy insurance benefits through Optum Rx

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Request refills, track order status, manage billing information and much more.

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William Yow Jung Chang, MD

Please contact to confirm appointment availability

Please contact to confirm appointment availability

Specialty

Pulmonary Disease

Languages

English

Seeing patients at

  • Gender

    Male

    Board certifications

    American Board of Internal Medicine

    Licenses

    CA, A140305

    Employed or contracted

    Contracted

    Network Name

    Optum Care Network California

    NPI

    1003236688

    Hospital affiliations

    Alhambra Hospital Medical Center,Kindred Hospital Balwin Park,Monrovia Memorial Hospital

  • Medical School

    • Albany Medical School

      2010

    Residency

    • Cedars-Sinai Medical Center

      Internal Medicine

      2015

    Internship

    • Cedars-Sinai Medical Center

      2014

    Fellowship

    • Cedars-Sinai Medical Center

      2017