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

Mrs. Katherine Margaret Kleyn, RD

Individual provider Registered Dietitian · NPI 1881840957

Mrs. Katherine Margaret Kleyn, RD is a Registered Dietitian in Barrington, Illinois. Practices as a sole proprietor. Licensed in Illinois.

Licensed in
IL
In the registry since
2008
What do these letters mean?
RD — Registered Dietitian
A credentialed nutrition professional.

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Practice location Address checks out

450 W Highway 22
Barrington, IL 60010-1919
Phone: (847) 373-1018
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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 164.002525 (IL)

Record details

NPI number1881840957
Entity typeIndividual (Type 1)
GenderFemale
Credentials RD
Sole proprietorYes
NPI enumeratedAugust 8, 2008
Last updated in NPPESAugust 8, 2008

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