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

MS. Dianne L Timm

Individual provider Mental Health Counselor · NPI 1346380532

MS. Dianne L Timm is a Mental Health Counselor in Rialto, California. Practices as a sole proprietor. Registered with an NPI since 2007.

In the registry since
2007

Practice location Address checks out

850 E Foothill Blvd Ccrt
Rialto, CA 92376-5230
Phone: (909) 421-9200
Show map & directions

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

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X

Record details

NPI number1346380532
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorYes
NPI enumeratedFebruary 7, 2007
Last updated in NPPESMay 14, 2008

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