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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. Robert Hahn:

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Education & Awards

Dr. Hahn graduated from State University of New York Downstate, Brooklyn.


Dr. Hahn has 6 hospital affiliations:

  • Hunterdon Medical Center 
  • Union Hospital 


  • German
  • Polish

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Additional Information
Dr. Robert Douglas Hahn MD is a male Ophthalmologist, has 43 years of experience and practices in Ophthalmology.
Where does Dr. Robert D. Hahn practice?
Dr. Robert Hahn has 1 office location.
Dr. Robert Hahn practices Ophthalmology near Milford, NJ.
See Milford Ophthalmologists.