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

Alyssa McKenna Seidel, RDN

Individual provider Registered Dietitian · NPI 1689334955

Alyssa McKenna Seidel, RDN is a Registered Dietitian OR Nutrition Professional in Spearfish, South Dakota. Qualified in 2018, 8 years ago. Practices with Scl Health Medical Group - Billings LLC, a 292-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Montana and South Dakota.

Years since qualifying
8
Licensed in
MT, SD
In the registry since
2021
Specialties on file
2
What do these letters mean?
RDN — Registered Dietitian Nutritionist
The current title for a registered dietitian.

See every abbreviation used in this directory →

Practice location Address checks out

1440 N Main St
Spearfish, SD 57783-1505
Phone: (605) 644-4000
Show map & directions

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

Additional practice locations (1)

  • 61 Charles St, Deadwood, SD 57732-1303 — (605) 717-6000

Specialties & licences

Registered Dietitian (primary) Taxonomy 133V00000X · Licence 0795 (SD)
Registered Dietitian Taxonomy 133V00000X · Licence MED-NUTR-LIC-91319 (MT)

Record details

NPI number1689334955
Entity typeIndividual (Type 1)
GenderFemale
Credentials RDN
Sole proprietorNo
NPI enumeratedDecember 28, 2021
Last updated in NPPESDecember 28, 2021
Certification dateDecember 28, 2021

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyREGISTERED DIETITIAN OR NUTRITION PROFESSIONAL
Medical schoolOTHER
Graduated 2018 (8 years in practice)
Group practice Scl Health Medical Group - Billings Llc — 292 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Spearfish