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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. William Wenner:

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Specialties & Research

Dr. William Wenner, MD is board certified in Pediatrics and Pediatric Gastroenterology.

Education & Awards

Dr. Wenner graduated from Pennsylvania State University, Hershey.


Dr. Wenner has 4 hospital affiliations:

  • Milton S. Hershey Medical Center 
  • Mercy San Juan Medical Center 

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Additional Information
Dr. William Joseph Wenner MD is a male Pediatrician, has 28 years of experience and practices in Pediatrics and Pediatric Gastroenterology.
Where does Dr. William J. Wenner practice?
Dr. William Wenner has 1 office location.
Dr. William Wenner practices Pediatrics and Pediatric Gastroenterology near Hershey, PA.
See Hershey Pediatricians and Hershey Gastroenterologists.