Browse Health
30 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 Kostun:

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  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (3)

The overall average patient rating of Dr. William Kostun is Below Average. Dr. Kostun has been reviewed by 5 patients who have provided 3 comments. The rating is 2 out of 5 stars.

Patient Ratings
Ease of Appointment 3.0
Promptness 3.0
Courteous Staff 2.7
Accurate Diagnosis 2.7
Bedside Manner 2.0
Spends Time with Me 2.0
Follows Up After Visit 3.0

Specialties & Research

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

Education & Awards

Dr. Kostun graduated from St. George's University, Bay Shore.


Dr. Kostun has 9 hospital affiliations:

  • Albany Medical Center Hospital 
  • Seton Health System - St. Mary's Campus 


  • Italian
  • German
  • Spanish
  • Polish

> > > > Dr. William Kostun, MD

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Additional Information
Dr. William A Kostun MD is a male Pediatrician, has 30 years of experience and practices in Pediatrics.
Where does Dr. William A. Kostun practice?
Dr. William Kostun has 1 office location.
Dr. William Kostun practices Pediatrics near Troy, NY.
See Troy Pediatricians.