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Dr. William Joseph Kellner MD is a male Pediatrician, has 31 years of experience and practices in Pediatrics.
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

  • Currently 3.5 of 4 stars
Patient comments (2)

The overall average patient rating of Dr. William Kellner is Excellent. Dr. Kellner has been reviewed by 5 patients who have provided 2 comments. The rating is 3.5 out of 4 stars.

Patient Ratings
Ease of Appointment 4.0
  • Currently 4 of 4 stars
Promptness 3.7
  • Currently 3.6666666666667 of 4 stars
Courteous Staff 3.3
  • Currently 3.3333333333333 of 4 stars
Accurate Diagnosis 4.0
  • Currently 4 of 4 stars
Bedside Manner 4.0
  • Currently 4 of 4 stars
Spends Time with Me 4.0
  • Currently 4 of 4 stars
Follows Up After Visit 4.0
  • Currently 4 of 4 stars

Specialties & Research

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

Education & Awards

Dr. Kellner graduated from University of Wisconsin at Madison.


Dr. Kellner has 2 hospital affiliations:

  • Bellin Hospital 
  • St Vincent Hospital 

Accepted Insurance Plans

Dr. Kellner accepts these health insurances in at least one office:

  • Aetna - 1 plan

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Additional Information
Where does Dr. William J. Kellner practice?
Dr. William Kellner practices Pediatrics near Green Bay, WI.
Additional practice locations include: De Pere, WI.
See Green Bay Pediatricians.