Share: Health care Sinai Post Acute Nursing and Rehab Center 65 Jay st. newark, nj 07103 973-483-6800 ext. 104 About Map About We are a Post-Acute, Sub-acute, Nursing home Facility. We are the Biggest in Essex County. Are Facility features an Amputee Program, Short-term programs, and Large Hispanic program & Large Indian What's Nearby? Distance: 5 10 15 20 25 50 mi.