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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).

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Education & Awards

Dr. Berlin graduated from Des Moines University.


Dr. Berlin has 3 hospital affiliations:

  • New Island Hospital 
  • Brunswick Hospital Center 
  • Brunswick General Hospital 


  • Spanish

> > > > Dr. Leonard Berlin, DO

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Additional Information
Dr. Leonard Arthur Berlin DO is a male Internist, has 38 years of experience and practices in Internal Medicine.
Where does Dr. Leonard A. Berlin practice?
Dr. Leonard Berlin has 1 office location.
Dr. Leonard Berlin practices Internal Medicine near Copiague, NY.
See Copiague Internists.