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

Casey M Johnson, RDN, LD

Individual provider Registered Dietitian · NPI 1689348682

Casey M Johnson, RDN, LD is a Registered Dietitian in Sioux City, Iowa. Licensed in Iowa. Registered with an NPI since 2021.

Licensed in
IA
In the registry since
2021
What do these letters mean?
RDN — Registered Dietitian Nutritionist
The current title for a registered dietitian.
LD — Licensed Dietitian
A dietitian licensed by a state board.

See every abbreviation used in this directory →

Practice location Address checks out

801 5th St
Sioux City, IA 51101-1326
Phone: (712) 279-2243
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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 098319 (IA)

Record details

NPI number1689348682
Entity typeIndividual (Type 1)
GenderFemale
Credentials RDN , LD
Sole proprietorNo
NPI enumeratedAugust 3, 2021
Last updated in NPPESAugust 3, 2021
Certification dateAugust 3, 2021
Mailing address801 5th St, Sioux City, IA 51101-1326

Other providers in Sioux City