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

Antonia Contreras

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1841401114

Antonia Contreras 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 number1841401114
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedMay 25, 2007
Last updated in NPPESJuly 8, 2007
Mailing address38561 Royal Ann Cmn, Fremont, CA 94536-4215

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