Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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MS. Diane Michele Postell, LCSW, CADC

Individual provider Clinical Social Worker · NPI 1205912839

MS. Diane Michele Postell, LCSW, CADC is a Clinical Social Worker in Wilmington, Delaware. Practices as a sole proprietor. Licensed in Delaware.

Licensed in
DE
In the registry since
2006
Specialties on file
2
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

3618 Silverside Rd
Wilmington, DE 19810-5190
Phone: (302) 547-5505
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Marriage & Family Therapist (primary) Taxonomy 106H00000X
Clinical Social Worker Taxonomy 1041C0700X · Licence Q10000521 (DE)

Record details

NPI number1205912839
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW , CADC
Sole proprietorYes
NPI enumeratedOctober 27, 2006
Last updated in NPPESSeptember 11, 2025

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