Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Mr. Sieger Giroux, MS, RD, LDN

Individual provider Registered Dietitian · NPI 1568816577

Mr. Sieger Giroux, MS, RD, LDN is a Registered Dietitian in Marion, Illinois. Practices as a sole proprietor. Licensed in Illinois.

Licensed in
IL
In the registry since
2016
What do these letters mean?
MS — Master of Science
A graduate science degree.
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

2401 W Main St
Marion, IL 62959-1188
Phone: (618) 997-5311
Fax: (618) 997-8253
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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 164.006797 (IL)

Record details

NPI number1568816577
Entity typeIndividual (Type 1)
GenderMale
Credentials MS , RD , LDN
Sole proprietorYes
NPI enumeratedApril 15, 2016
Last updated in NPPESApril 15, 2016

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