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

Allie Steffensen, MS, LN, RD

Individual provider Registered Dietitian · NPI 1386446565

Allie Steffensen, MS, LN, RD is a Registered Dietitian in Watertown, South Dakota. Works from 2 locations. Licensed in South Dakota.

Licensed in
SD
In the registry since
2025
What do these letters mean?
MS — Master of Science
A graduate science degree.
RD — Registered Dietitian
A credentialed nutrition professional.

See every abbreviation used in this directory →

Practice location Address checks out

401 9th Ave NW
Watertown, SD 57201-1548
Phone: (605) 882-7874
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 2118 Main Ave S, Brookings, SD 57006 — (605) 692-9888

Specialties & licences

Registered Dietitian (primary) Taxonomy 133V00000X (SD)

Record details

NPI number1386446565
Entity typeIndividual (Type 1)
GenderFemale
Credentials MS , LN , RD
Sole proprietorNo
NPI enumeratedMarch 26, 2025
Last updated in NPPESMarch 26, 2025
Certification dateMarch 25, 2025

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