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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. Gregory Kozeny:

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Specialties & Research

Dr. Gregory Kozeny, MD is board certified in Nephrology.

  • He has special expertise in 3 areas:
  • Kidney Dialysis (Renal Dialysis)
  • Kidney Disease
  • Kidney Stones (Kidney Calculi)

Education & Awards

Dr. Kozeny graduated from Loyola University Chicago, Maywood. He has 3 awards.

Eagle Scout, Boy Scouts of America, Dec. 1971
Elected into Sigma Xi; Scientific Research Society Loyola University Chapter, June 1987
Listed "Top Doctors - Chicago Metro Area" by Castle Connolly, 2001 and 2002


Dr. Kozeny has 14 hospital affiliations:

  • Central Dupage Hospital 
  • Advocate Good Samaritan Hospital 

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Additional Information
Dr. Gregory A Kozeny MD is a male Nephrologist, has 33 years of experience and practices in Nephrology.
Where does Dr. Gregory A. Kozeny practice?
Dr. Gregory Kozeny has 1 office location.
Dr. Gregory Kozeny practices Nephrology near Naperville, IL.
See Naperville Nephrologists.