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The Law Office of Mark J. Keller

Social Security Disability ♦ Personal Injury
Guardianship ♦ Wills, Trusts, & Estates

At the Law Office of Mark. J. Keller, we provide representation and counsel to New Yorkers when they need it most. Whether you are suffering from a medical or psychiatric condition preventing you from working, or you were the victim of an accident with severe injuries caused by the negligence of others, Mark Keller delivers aggressive advocacy so you can continue to provide for your family and concentrate on your health or recovery.

Contact the Law Office of Mark J. Keller for a FREE CONSULTATION.


Practice Areas

Social Security Disability

Elder Law

If you are unable to work for a long period of time due to physical or mental illness, we can help you obtain Social Security Disability and Supplemental Security Income benefits.

Personal Injury

Estate Administration

If you were injured due to the negligence of another, we help you obtain money damages to compensate you for your personal injury, lost wages, lost pension benefits, medical bills, and other damages.


Medicaid Planning

Our firm establishes guardianships so that children and disabled adults have the support they require no matter what happens and are properly taken care of if they cannot care for themselves.

Wills, Trusts, & Estates

Estate Planning

Regardless of age or financial holdings, it is never too early to plan for the inevitable. A Last Will and Testament will ensure that you maintain control over how your assets are transferred to your heirs after you pass.


About Mark J. Keller

Mark J. Keller is admitted to practice law in the New York State, the United States District Courts for the Southern and Eastern Districts of New York, and the United States Supreme Court.

Mr. Keller graduated from St. John’s University School of Law, earning his Juris Doctor in 1992. Before that, Mark attended the State University of New York, College at Fredonia, graduating with a Bachelor of Science in Business Administration & Finance in 1980. He earned his MBA from the State University of New York, University at Buffalo, in 1984.

Mr. Keller is a member of the Queens County Bar Association, the National Organization of Social Security Claimants’ Representatives, and The Brandeis Association, a Bar Association for Jewish Legal Professionals.

Attorney Mark J. Keller

Contact Us


90-27 Sutphin Blvd, Suite 402

Jamaica, NY 11435




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