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

Leah Mariani

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1124803549

Leah Mariani is an Addiction (Substance Use Disorder) Counselor in Exton, Pennsylvania. Registered with an NPI since 2023.

In the registry since
2023

Practice location Address checks out

479 Thomas Jones Way
Exton, PA 19341-2580
Phone: (855) 687-2410
Fax: (833) 687-2414
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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 number1124803549
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedAugust 25, 2023
Last updated in NPPESAugust 25, 2023
Certification dateAugust 25, 2023
Mailing address479 Thomas Jones Way, Exton, PA 19341-2580

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