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

MS. Mary Katharine Madden, MS, CCC-SLP

Individual provider Speech-Language Pathologist · NPI 1407035702

MS. Mary Katharine Madden, MS, CCC-SLP is a Speech-Language Pathologist in Wilmington, Delaware. Practices as a sole proprietor. Licensed in Delaware.

Licensed in
DE
In the registry since
2007
What do these letters mean?
MS — Master of Science
A graduate science degree.
CCC-SLP — Certificate of Clinical Competence in Speech-Language Pathology
A speech-language pathologist certified by ASHA.

See every abbreviation used in this directory →

Practice location Address checks out

1600 Rockland Rd
Wilmington, DE 19803-3607
Phone: (302) 651-4505
Show map & directions

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

Specialties & licences

Speech-Language Pathologist (primary) Taxonomy 235Z00000X (DE)

Record details

NPI number1407035702
Entity typeIndividual (Type 1)
GenderFemale
Credentials MS , CCC-SLP
Sole proprietorYes
NPI enumeratedNovember 2, 2007
Last updated in NPPESNovember 2, 2007

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