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877-938-9241 201-918-2021

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John O’Neil began his legal career in 2006 when he entered law school. During law school, he was committed to experiential education and public service. He participated in the University of Maryland Low Income Taxpayer’s Clinic for two years, representing low income taxpayers who couldn’t afford traditional legal representation. Due to his success with the program, he worked as a teaching assistant during his second year. Mr. O’Neil also obtained internships with both the Securities and Exchange Commission and the New York State Attorney General’s office, Investor Protection Bureau, during his second and third years of law school.

After graduating from law school, Mr. O’Neil made a natural transition to the field of Social Security disability.  He incorporated the Law Offices of John S. O'Neil in 2010, and has been running his own Law Practice since that time which focuses exclusively on Social Security Disability.  He has developed an enviable record representing thousands of disabled Claimants in a multi state region that includes Maryland, Washington DC, Virginia, Delaware, Pennsylvania New Jersey and New York. 

In 2017, Mr. O’Neil began working with The Law Offices of Sara Kafshi on an Of Counsel basis.   He continues to represent disabled claimants with diligence, enthusiasm, and talent.