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

Theresa Claus, RD, LDN

Individual provider Registered Dietitian · NPI 1962864207

Theresa Claus, RD, LDN is a Registered Dietitian in Downers Grove, Illinois. Works from 2 locations. Licensed in Illinois.

Licensed in
IL
In the registry since
2016
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

3815 Highland Ave
Downers Grove, IL 60515
Phone: (630) 542-8022
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 3815 Highland Ave, Downers Grove, IL 60515-1500 — (630) 542-8022

Specialties & licences

Registered Dietitian (primary) Taxonomy 133V00000X · Licence 164.006070 (IL)

Record details

NPI number1962864207
Entity typeIndividual (Type 1)
GenderFemale
Credentials RD , LDN
Sole proprietorNo
NPI enumeratedMarch 25, 2016
Last updated in NPPESAugust 6, 2019

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