Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Jean Ziegenhorn, MS, RDN, LDN

Individual provider Registered Dietitian · NPI 1538647482

Jean Ziegenhorn, MS, RDN, LDN is a Registered Dietitian in Chicago, Illinois. Licensed in Illinois. Registered with an NPI since 2018.

Licensed in
IL
In the registry since
2018
What do these letters mean?
MS — Master of Science
A graduate science degree.
RDN — Registered Dietitian Nutritionist
The current title for a registered dietitian.
LDN — Licensed Dietitian Nutritionist
A state-licensed dietitian nutritionist.

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Practice location Address checks out

205 N Wells St
Chicago, IL 60606-1301
Phone: (312) 957-8882
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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 164.007460 (IL)

Record details

NPI number1538647482
Entity typeIndividual (Type 1)
GenderFemale
Credentials MS , RDN , LDN
Sole proprietorNo
NPI enumeratedAugust 2, 2018
Last updated in NPPESAugust 2, 2018

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