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

Erin Cassidy

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1619269917

Erin Cassidy is an Addiction (Substance Use Disorder) Counselor in San Leandro, California. Practices as a sole proprietor. Registered with an NPI since 2011.

In the registry since
2011

Practice location Address checks out

2035 Fairmont Dr
San Leandro, CA 94578-1088
Phone: (510) 346-7832
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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 number1619269917
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorYes
NPI enumeratedMay 5, 2011
Last updated in NPPESMay 5, 2011
Mailing address2035 Fairmont Dr, San Leandro, CA 94578-1088

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