Thousands Helped.
$25+ Million Won.
35+ Years of Experience.
SSD Lawyer in Hempstead
✅ Denied already? Don’t give up—we know how to turn denials into approvals.
Download our Free Step-by-Step Guide.
✅ Just getting started? We’ll help you file it right the first time.
Securing Social Security Disability (SSD) benefits is rarely simple—and for families in Hempstead, the process can feel overwhelming. Mark J. Keller has long supported Nassau County residents, including those in Hempstead, in their fight to obtain the SSD benefits they’ve earned. With over 35 years of legal experience and millions recovered in SSD awards, Mr. Keller delivers a compassionate, strategic approach to every claim—whether it’s your first filing or an appeal. No pressure. Just answers.
The Same Relentless Effort Behind $25+ Million—Now Focused on You

Photo: Meadowbrook, via Wikimedia Commons (Public Domain)
At The Law Office of Mark J. Keller, we stand with hardworking people—families and individuals in Hempstead who need clear answers, not roadblocks. Whether you’re filing your first SSD claim or challenging a denial, you’ll have:
Direct communication with a dedicated disability attorney
An honest, straightforward strategy built for your situation
Guidance through every step of the SSD process
Proven experience in managing complex appeals
You’ve contributed to the system. Let us help you receive the benefits you’re owed.
Ready to move forward? Fill out the form above to start your free case review today.
Not Ready to move forward? Download our Free SSDI Denial Guide and learn the exact steps to take after a denial.
.png)