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

Ruthann Markusen

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1083821920

Ruthann Markusen is an Addiction (Substance Use Disorder) Counselor in Culver City, California. Licensed in California. Registered with an NPI since 2007.

Licensed in
CA
In the registry since
2007

Practice location Address checks out

11133 Washington Blvd
Culver City, CA 90232-3918
Phone: (310) 895-2343
Fax: (310) 559-6861
Show map & directions

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

Specialties & licences

Addiction (Substance Use Disorder) Counselor (primary) Taxonomy 101YA0400X · Licence CADCII A2001605 (CA)

Record details

NPI number1083821920
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedMay 17, 2007
Last updated in NPPESDecember 30, 2014

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