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

MS. Lois Klaassen, INTERN

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1669605911

MS. Lois Klaassen, INTERN is an Addiction (Substance Use Disorder) Counselor in Sacramento, California. Licensed in California. Registered with an NPI since 2009.

Licensed in
CA
In the registry since
2009
Specialties on file
2
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Practice location Address checks out

4343 Williamsbourgh Dr
Sacramento, CA 95823-2006
Phone: (916) 395-3552
Fax: (916) 395-3683
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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 (CA)
Addiction (Substance Use Disorder) Counselor Taxonomy 101YA0400X

Record details

NPI number1669605911
Entity typeIndividual (Type 1)
GenderFemale
Credentials INTERN
Sole proprietorNo
NPI enumeratedSeptember 2, 2009
Last updated in NPPESSeptember 2, 2009

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