John D. O'Neill

4.4 (7 reviews )

Los Angeles California United States

Employee Benefits (ERISA) Law

Recognized in Ones to Watch since 2023

310-407-7500 Website

About John

John D. O'Neill is a top attorney recognized by Best Lawyers in the practice area(s) of Employee Benefits (ERISA) Law.John D., who practices law in Los Angeles, California, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which John D. is held by other top lawyers in the same geographic and legal practice area.

John D. O'Neill is a top attorney recognized by Best Lawyers in the practice area(s) of Employee Benefits (ERISA) Law.

John D., who practices law in Los Angeles, California, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which John D. is held by other top lawyers in the same geographic and legal practice area.

Practice Areas

Employee Benefits (ERISA) Law

Education

University of California Hastings College of the Law

Awards & Recognition

Recognized: Employee Benefits (ERISA) Law

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Reviews

4.4 / 5

7 Reviews

1,029 Profile Views

Mei Lin Zhang

Jan 19, 2026

Transformed Our Healthcare Plan Compliance Effortlessly

Our mid-sized company struggled with Affordable Care Act compliance for years. John D. O'Neill reviewed our existing plans, identified multiple ERISA violations, and implemented corrections that satis...

Lakshmi Patel

Jan 19, 2026

Achieved Full Reinstatement of My Retirement Benefits

After my former employer incorrectly calculated my pension payout, I spent months getting nowhere with their administrators. John D. O'Neill reviewed my case and immediately spotted ERISA violations i...