Start Your SSDI Case Review Now

100% Confidential. No Obligation.

This firm helps new applicants and those appealing denials. If you're already receiving benefits and have a question about your case, contact the Social Security Administration directly.

SSDI Lawyer — Free Case Review

Our SSD and SSI lawyers help individuals secure Social Security Disability benefits—whether you’re filing your first claim or appealing a denial.

Experience You Can Trust. Results That Matter.

With over 35 years of legal experience, Mark J. Keller is a seasoned disability attorney committed to helping individuals secure the Social Security Disability (SSD) benefits they deserve. Whether you're filing your first application or appealing a denial, Mr. Keller brings deep knowledge of the system and a clear strategy to every case.

Licensed to practice in both New York State and multiple federal courts—including the U.S. District Courts for the Southern, Eastern, and Western Districts of New York, and the United States Supreme Court—Mr. Keller has the experience and authority to handle SSD claims at every level of the process.

Start Your Free Case Review

Don’t Wait. Let’s Get You Answers.

Disclaimer: The information on this website is for general informational purposes only and is not intended to be legal advice. Submitting a form or contacting the Law Office of Mark J. Keller does not create an attorney-client relationship. Every case is different, and prior results do not guarantee a similar outcome. No fees are charged unless benefits are awarded in qualifying cases. For legal advice specific to your situation, please contact our office directly.

╭ About Mark J. Keller ╮

Social Security Disability Attorney

Questions? Call us now: 718-297-1890

35+ Years of SSD & SSI Experience

Thousands of Clients Successfully Approved

We Handle Everything—From Application to Appeal

Why Choose the Law Office of Mark J. Keller?

Personalized Legal Support, Start to Finish

✔

I used Mark for my disability case. he was amazing. fantastic communication along the way from him and his office. long story short he was able to do everything he said he would. Honestly blew me away by what he did for me. I would highly recommend using him

Theo F.
Google Review 7/25/2025

Address

90-27 Sutphin Blvd, Suite 402

Jamaica, NY 11435

Phone

718-297-1890

╭ contact us ╮

With over 35 years of experience as a Social Security Disability Lawyer, Mark J. Keller knows how to navigate the Social Security system, cut through red tape, and maximize your chances of approval.

If you’re feeling overwhelmed by the SSD process, you’re not alone—and you don’t have to go it alone.

Whether you’ve been denied benefits or are filing for the first time, we’re here to listen, guide, and fight for the support you need. No upfront fees. No complicated forms. Just straight answers and a clear plan forward.

Start your free case evaluation today and take the first step toward the benefits you deserve.

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"Mark Keller is a great lawyer. He is professional, knowledgeable, and truly dedicated to his clients."

Candi J. via Google

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No Pressure. Just Answers.

SSD & SSI Lawyers Near You

35+ Years • $25Million+ Won • Thousands Helped

Denied already? We turn denials into approvals.

Just getting started? We file it right the first time.

No fees unless you win.

Serving NYC & Long Island.