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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. David Horwich:

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Specialties & Research

Dr. David Horwich, MD is board certified in Internal Medicine.

Education & Awards

Dr. Horwich graduated from Drexel University , Philadelphia.


Dr. Horwich has 11 hospital affiliations:

  • Main Line Hospital - Bryn Mawr 
  • Bryn Mawr Rehabilitation Hospital 

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Additional Information
Dr. David Norman Horwich MD is a male Internist, has 21 years of experience and practices in Internal Medicine.
Where does Dr. David N. Horwich practice?
Dr. David Horwich has 1 office location.
Dr. David Horwich practices Internal Medicine near Malvern, PA.
See Malvern Internists.