About Syed M. Raza, MD. Syed Mohsin Raza, MD is an internal medicine doctor and primary care doctor who practices at Skyland Medical Care, PC located at 117 Seber Rd in 2 B Doctors Park in Hackettstown, NJ 07840 (Warren County). Dr. Syed M. Raza has 15+ years of experience in internal medicine. Education. Syed M. Raza, MD earned a degree of a ....