Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Greta Lavonne Grier, LCSW, MLSW, CADC

Individual provider Social Worker · NPI 1346004926

Greta Lavonne Grier, LCSW, MLSW, CADC is a Social Worker in Philadelphia, Pennsylvania. Practices as a sole proprietor and works from 2 locations. Licensed in Pennsylvania.

Licensed in
PA
In the registry since
2024
Specialties on file
3
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.
CADC — Certified Alcohol and Drug Counselor
A certified addiction counsellor.

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Practice location Address checks out

3900 Woodland Ave
Philadelphia, PA 19104-4551
Phone: (215) 823-5800
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 162 Carters Mill Rd, Feasterville Trevose, PA 19053-2701 — (215) 823-5800

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence CW024762 (PA)
Social Worker Taxonomy 104100000X · Licence SW137757 (PA)
Addiction (Substance Use Disorder) Counselor Taxonomy 101YA0400X · Licence 8729 (PA)

Record details

NPI number1346004926
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW , MLSW , CADC
Sole proprietorYes
NPI enumeratedFebruary 13, 2024
Last updated in NPPESDecember 3, 2025
Certification dateDecember 3, 2025

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