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Mark J. Keller

Attorney

718-297-1890

Education:

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Mark J. Keller earned his Juris Doctor from St. John’s University School of Law in 1992, building a strong foundation for his legal career.

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His academic background also includes a Bachelor of Science in Business Administration & Finance from SUNY Fredonia (1980) and a Master of Business Administration (MBA) from SUNY Buffalo (1984). With a unique combination of legal and financial expertise, Mark provides strategic representation for clients navigating complex legal and financial matters.

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)

Mark J. Keller Logo

Address

90-27 Sutphin Blvd, Suite 402

Jamaica, NY 11435

 

Phone

718-297-1890

Disclaimer

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