Individual provider · Type 1 NPI

Sean P. Donnelly, PEER SUPPORT SPECIAL

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

NPI number 1255229530 Active

Practice location

416 2nd Ave
San Mateo, CA 94401-3205

Call (650) 579-7881 Map

Mailing address

114 S Delaware St
San Mateo, CA 94401-3222

Specialties and licenses

TaxonomyCodeLicense
Peer Specialist 175T00000XMPSS-MKGVZO (CA)
Addiction (Substance Use Disorder) Counselor Primary 101YA0400XSUDRCI25906 (CA)

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

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About NPI 1255229530

Sean P. Donnelly, PEER SUPPORT SPECIAL's National Provider Identifier is 1255229530, issued on Jun 25, 2025. The primary taxonomy on file is Addiction (Substance Use Disorder) Counselor (101YA0400X), and the practice location is in San Mateo, CA. The record was last updated on Jun 17, 2026.