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

Sierra Simmons

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1033999651

Sierra Simmons is an Addiction (Substance Use Disorder) Counselor in Riverside, California. Licensed in California. Registered with an NPI since 2023.

Licensed in
CA
In the registry since
2023
Specialties on file
2
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Practice location Address checks out

2085 Rustin Ave # 3
Riverside, CA 92507-2498
Phone: (951) 955-2105
Fax: (951) 955-8060
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Case Manager/Care Coordinator (primary) Taxonomy 171M00000X · Licence 20676 (CA)
Addiction (Substance Use Disorder) Counselor Taxonomy 101YA0400X · Licence 20676 (CA)

Record details

NPI number1033999651
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedOctober 2, 2023
Last updated in NPPESNovember 20, 2025
Certification dateNovember 20, 2025

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