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

Lydia Kay Guthmiller

Individual provider Speech-Language Pathologist · NPI 1891933198

Lydia Kay Guthmiller is a Speech-Language Pathologist in Spearfish, South Dakota. Practices as a sole proprietor. Registered with an NPI since 2009.

In the registry since
2009

Practice location Address checks out

810 State St
Spearfish, SD 57783-2140
Phone: (605) 645-2420
Show map & directions

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

Specialties & licences

Speech-Language Pathologist (primary) Taxonomy 235Z00000X

Record details

NPI number1891933198
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorYes
NPI enumeratedJanuary 26, 2009
Last updated in NPPESJuly 13, 2026
Certification dateJuly 13, 2026

Other providers in Spearfish