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

William Edward Marshall, LMSW, DE-LMHS

Individual provider Social Worker · NPI 1245927284

William Edward Marshall, LMSW, DE-LMHS is a Social Worker in Wilmington, Delaware. Practices as a sole proprietor. Licensed in Delaware.

Licensed in
DE
In the registry since
2023
What do these letters mean?
LMSW — Licensed Master Social Worker
A master's-level social worker, usually practising under supervision.

See every abbreviation used in this directory →

Practice location Address checks out

721 Haddon Rd
Wilmington, DE 19808-4423
Phone: (302) 279-6628
Show map & directions

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

Specialties & licences

Social Worker (primary) Taxonomy 104100000X · Licence Q3-0011203 (DE)

Record details

NPI number1245927284
Entity typeIndividual (Type 1)
GenderMale
Credentials LMSW , DE-LMHS
Sole proprietorYes
NPI enumeratedApril 19, 2023
Last updated in NPPESApril 20, 2023
Certification dateApril 20, 2023

Other providers in Wilmington