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

William Louis Sevier

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1952025793

William Louis Sevier is an Addiction (Substance Use Disorder) Counselor in Vista, California. Registered with an NPI since 2022.

In the registry since
2022

Practice location Address checks out

993 Postal Way
Vista, CA 92083-6945
Phone: (760) 630-9922
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 number1952025793
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedSeptember 26, 2022
Last updated in NPPESMarch 13, 2025
Certification dateMarch 13, 2025

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