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

Sierra Clark

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1306708664

Sierra Clark is an Addiction (Substance Use Disorder) Counselor in Philadelphia, Pennsylvania. Practices as a sole proprietor. Registered with an NPI since 2025.

In the registry since
2025

Practice location Address checks out

1315 Windrim Ave
Philadelphia, PA 19141-2710
Phone: (267) 320-4051
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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 number1306708664
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorYes
NPI enumeratedNovember 25, 2025
Last updated in NPPESNovember 25, 2025
Certification dateNovember 25, 2025

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