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Health care

We provide affordable and personalized care

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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

We make it easy to get medications you need, when and where you need them

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  • Optum Rx

    For people with pharmacy insurance benefits through Optum Rx

  • Track orders

    Track your home delivery and specialty order

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Mobile app

Optum Rx on the go

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

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Mark William Daniels, MD

Please contact to confirm appointment availability

Please contact to confirm appointment availability

Specialty

Pediatric Endocrinology, Pediatric Registered Nurse

Languages

English

Seeing patients at

  • Gender

    Male

    Board certifications

    American Board of Pediatrics

    Licenses

    CA, A63018

    Employed or contracted

    Contracted

    Network Name

    Optum Care Network California

    NPI

    1568552651

    Hospital affiliations

    Children's Hospital of Orange County,Children's Hospital Orange County

  • Medical School

    • Stanford University School Of Medicine

      1992

    Residency

    • Stanford Hospital and Clinics

      1997

    Internship

    • Stanford Hospital and Clinics

      1996

    Fellowship

    • Stanford Hospital and Clinics

      1999