Mark J. Keller

Experience & Practice Areas:

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With a career spanning over 30 years, Mark J. Keller has built a reputation for dedicated legal advocacy in Social Security Disability (SSD), Supplemental Security Income (SSI), Guardianship, Personal Injury, and Wills & Estates.

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Social Security Disability & Guardianship

Mark represents clients seeking Social Security Disability (SSD) and Supplemental Security Income (SSI) benefits before the Social Security Administration (SSA)—guiding them through every step, from the initial application to hearings before Administrative Law Judges at the Office of Disability Adjudication & Review. If a claim is wrongfully denied, Mark is prepared to appeal the case before the United States District Courts for the Eastern and Southern Districts of New York.

He also handles Guardianship cases, ensuring that children and disabled adults receive the care and protection they need.

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Personal Injury & Estate Planning

Mark represents individuals who have suffered serious and permanent injuries in automobile, construction, sidewalk, and premises accidents—fighting for maximum compensation for medical expenses, lost wages, and other damages.

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His practice also includes Wills and Estates, helping clients protect their assets and ensure their wishes are carried out for their loved ones.

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Bar Admissions:

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Mark Keller is admitted to practice law in:

• New York State

• United States District Courts for the Eastern, Southern, and Northern Districts of New York

• The United States Supreme Court

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If your benefits claim was wrongfully denied, Mark has the experience and determination to appeal your case at the federal level.

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Judicial Experience:

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• Small Claims Arbitrator – Civil Court of the City of New York, Queens County

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Memberships:

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• Queens County Bar Association

• National Organization of Social Security Claimants’ Representatives (NOSSCR)

• The Brandeis Association (Bar Association for Jewish Legal Professionals)