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A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Learn more about Dr. Bob Greenwald:

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Specialties & Research

Dr. Bob Greenwald, MD is board certified in Diagnostic Radiology.

Education & Awards

Dr. Greenwald graduated from New York Medical College, Valhalla.


Dr. Greenwald has 3 hospital affiliations:

  • Robert Wood Johnson University Hospital at Rahway 
  • Palisades Medical Center 
  • Meadville Medical Center 


  • French
  • Italian
  • Hebrew
  • Yiddish
  • Spanish
  • English

> > > > Dr. Bob Greenwald, MD

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Additional Information
Dr. Bob Greenwald MD is a male Diagnostic Radiologist, has 36 years of experience and practices in Diagnostic Radiology.
Where does Dr. Bob Greenwald practice?
Dr. Bob Greenwald has 3 office locations.
Dr. Bob Greenwald practices Diagnostic Radiology near Rahway, NJ.
Additional practice locations include: Meadville, PA and North Bergen, NJ.
See Rahway Radiologists.