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33 years of experience
Accepting new patients
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 Kellner:

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  1. Qualifications
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Patient Reviews

Patient comments (2)

The overall average patient rating of Dr. William Kellner is Good. Dr. Kellner has been reviewed by 17 patients who have provided 2 comments. The rating is 4 out of 5 stars.

Patient Ratings
Ease of Appointment 4.6
Promptness 4.5
Courteous Staff 4.0
Accurate Diagnosis 4.4
Bedside Manner 4.6
Spends Time with Me 4.6
Follows Up After Visit 4.3

Specialties & Research

Dr. William Kellner, MD is board certified in Pediatrics.

Education & Awards

Dr. Kellner graduated from University of Wisconsin at Madison. He has 3 awards.

Patients' Choice Award (2015)
Compassionate Doctor Recognition (2014 - 2015)
On-Time Doctor Award (2014 - 2015)


Dr. Kellner has 2 hospital affiliations:

  • Bellin Hospital 
  • St Vincent Hospital 

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Additional Information
Dr. William Joseph Kellner MD is a male Pediatrician, has 33 years of experience and practices in Pediatrics.
Where does Dr. William J. Kellner practice?
Dr. William Kellner has 1 office location.
Dr. William Kellner practices Pediatrics near De Pere, WI.
See De Pere Pediatricians.