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

Mary Stephanie Youssef

Individual provider Pharmacist · NPI 1336857663

Mary Stephanie Youssef is a Pharmacist in Pomona, California. Licensed in California. Registered with an NPI since 2022.

Licensed in
CA
In the registry since
2022

Practice location Address checks out

1798 N Garey Ave
Pomona, CA 91767-2918
Phone: (909) 865-9549
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pharmacist (primary) Taxonomy 183500000X · Licence 84863 (CA)

Record details

NPI number1336857663
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedNovember 7, 2022
Last updated in NPPESNovember 7, 2022
Certification dateNovember 5, 2022

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