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

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1669467577

Mrs. Diantha Jean Larson, CCDCT is an Addiction (Substance Use Disorder) Counselor in Watertown, South Dakota. Licensed in South Dakota. Registered with an NPI since 2005.

Licensed in
SD
In the registry since
2005
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Practice location Address checks out

123 19th St NE
Watertown, SD 57201-2823
Phone: (605) 886-0123
Fax: (605) 886-5447
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Addiction (Substance Use Disorder) Counselor (primary) Taxonomy 101YA0400X · Licence 3085 (SD)

Record details

NPI number1669467577
Entity typeIndividual (Type 1)
GenderFemale
Credentials CCDCT
Sole proprietorNo
NPI enumeratedSeptember 16, 2005
Last updated in NPPESJuly 13, 2026

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