Individual provider · Type 1 NPI

Marissa Dawn Oneill, CAPDT

Addiction (Substance Use Disorder) Counselor · San Francisco, CA

NPI number 1649110255 Active

Practice location

1724 Bryant St
San Francisco, CA 94110-1406

Call (415) 558-9125 Map

Mailing address

222 Taylor St Apt M2
San Francisco, CA 94102-2934

Other practice locations

  • 508 7th Ave, San Bruno, CA 94066-4522 · (650) 244-1444

Specialties and licenses

TaxonomyCodeLicense
Mental Health Counselor 101YM0800X24546 (CA)
Addiction (Substance Use Disorder) Counselor Primary 101YA0400X24546 (CA)

Addiction (Substance Use Disorder) Counselor: Definition to come...

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About NPI 1649110255

Marissa Dawn Oneill, CAPDT's National Provider Identifier is 1649110255, issued on Mar 31, 2026. The primary taxonomy on file is Addiction (Substance Use Disorder) Counselor (101YA0400X), and the practice location is in San Francisco, CA. The record was last updated on Mar 31, 2026.