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

Olivia Crosby-Gagnier

Individual provider Mental Health Counselor · NPI 1578450599

Olivia Crosby-Gagnier is a Mental Health Counselor in West Chester, Pennsylvania. Practices as a sole proprietor. Registered with an NPI since 2025.

In the registry since
2025

Practice location Address checks out

142 W Market St
West Chester, PA 19382-2930
Phone: (610) 616-5890
Show map & directions

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

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X

Record details

NPI number1578450599
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorYes
NPI enumeratedJune 23, 2025
Last updated in NPPESMarch 31, 2026
Certification dateMarch 31, 2026

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