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

MS. Marguerite Williams

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1265633226

MS. Marguerite Williams is an Addiction (Substance Use Disorder) Counselor in Newark, California. Registered with an NPI since 2007.

In the registry since
2007

Practice location Address checks out

6330 Thornton Ave
Newark, CA 94560-3734
Phone: (510) 792-4357
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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 number1265633226
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedMay 29, 2007
Last updated in NPPESNovember 21, 2022
Certification dateNovember 21, 2022
Mailing address877 Mooney Ave, San Lorenzo, CA 94580-1140

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