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

Dr. Ethan D Helder, DC

Individual provider Chiropractor · NPI 1366950750

Dr. Ethan D Helder, DC is a Chiropractor in De Smet, South Dakota. Licensed in South Dakota. Registered with an NPI since 2018.

Licensed in
SD
In the registry since
2018
What do these letters mean?
DC — Doctor of Chiropractic
A licensed chiropractor.

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Practice location Address checks out

102 1st St NW
De Smet, SD 57231-2124
Phone: (605) 690-6446
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Chiropractor (primary) Taxonomy 111N00000X · Licence 1323 (SD)

Record details

NPI number1366950750
Entity typeIndividual (Type 1)
GenderMale
Credentials DC
Sole proprietorNo
NPI enumeratedJanuary 19, 2018
Last updated in NPPESJanuary 19, 2018

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