Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Mrs. Karen Melissa Klimczak, RD, LDN

Individual provider Registered Dietitian · NPI 1770594673

Mrs. Karen Melissa Klimczak, RD, LDN is a Registered Dietitian in Chicago, Illinois. Licensed in Illinois. Registered with an NPI since 2006.

Licensed in
IL
In the registry since
2006
What do these letters mean?
RD — Registered Dietitian
A credentialed nutrition professional.
LDN — Licensed Dietitian Nutritionist
A state-licensed dietitian nutritionist.

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Practice location Address checks out

5061 N Pulaski Rd Ste 300
Chicago, IL 60630-2706
Phone: (773) 539-8181
Fax: (773) 539-0039
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Registered Dietitian (primary) Taxonomy 133V00000X · Licence 164.004727 (IL)

Record details

NPI number1770594673
Entity typeIndividual (Type 1)
GenderFemale
Credentials RD , LDN
Sole proprietorNo
NPI enumeratedAugust 10, 2006
Last updated in NPPESMarch 25, 2013

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