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

Katherine Mariscal

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1578256236

Katherine Mariscal is an Addiction (Substance Use Disorder) Counselor in Ontario, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2023

Practice location Address checks out

3286 E Guasti Rd
Ontario, CA 91761-8645
Phone: (909) 906-9844
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 R1508730523 (CA)

Record details

NPI number1578256236
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorYes
NPI enumeratedMay 30, 2023
Last updated in NPPESJuly 8, 2025
Certification dateJuly 8, 2025

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