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

Alison Olsen, LADC

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1801017280

Alison Olsen, LADC is an Addiction (Substance Use Disorder) Counselor in Grass Valley, California. Licensed in Nevada. Registered with an NPI since 2007.

Licensed in
NV
In the registry since
2007
What do these letters mean?
LADC — Licensed Alcohol and Drug Counselor
A licensed addiction counsellor.

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Practice location Address checks out

440 Henderson St Ste C
Grass Valley, CA 95945-7374
Phone: (530) 273-9541
Fax: (530) 273-7740
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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 971 (NV)

Record details

NPI number1801017280
Entity typeIndividual (Type 1)
GenderFemale
Credentials LADC
Sole proprietorNo
NPI enumeratedMay 1, 2007
Last updated in NPPESJuly 8, 2007

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