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

MS. Cathleen Simpson-Dennis

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1497013247

MS. Cathleen Simpson-Dennis is an Addiction (Substance Use Disorder) Counselor in Oroville, California. Practices as a sole proprietor. Registered with an NPI since 2012.

In the registry since
2012

Practice location Address checks out

2167 Montgomery St
Oroville, CA 95965-4945
Phone: (530) 538-7277
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

Record details

NPI number1497013247
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorYes
NPI enumeratedApril 30, 2012
Last updated in NPPESApril 30, 2012
Mailing address2167 Montgomery St, Oroville, CA 95965-4945

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