Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Ronald J Kallen, MD

Individual provider Pediatric Nephrology Physician · NPI 1245283647

Ronald J Kallen, MD is a Pediatric Nephrology Physician in Chicago, Illinois. Practices as a sole proprietor. Licensed in Illinois.

Licensed in
IL
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

2300 N Childrens Plz
Chicago, IL 60614-3363
Phone: (847) 433-3345
Fax: (847) 433-4426
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pediatric Nephrology Physician (primary) Taxonomy 2080P0210X · Licence 03643026 (IL)

Record details

NPI number1245283647
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMay 18, 2006
Last updated in NPPESDecember 13, 2010

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