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License & Identifications

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. Ruben Kier:

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Specialties & Research

Dr. Ruben Kier, MD is board certified in Diagnostic Radiology.

Education & Awards

Dr. Kier graduated from Duke University , Durham.


Dr. Kier has 4 hospital affiliations:

  • Bridgeport Hospital 
  • St Vincent's Medical Center 


  • Spanish

> > > > Dr. Ruben Kier, MD

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Additional Information
Dr. Ruben Kier MD is a male Diagnostic Radiologist, has 29 years of experience and practices in Diagnostic Radiology.
Where does Dr. Ruben Kier practice?
Dr. Ruben Kier has 1 office location.
Dr. Ruben Kier practices Diagnostic Radiology near Trumbull, CT.
See Trumbull Radiologists.