Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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MS. Mary Elizabeth Holland-Duggan

Individual provider Speech-Language Assistant · NPI 1841589009

MS. Mary Elizabeth Holland-Duggan is a Speech-Language Assistant in Springfield, Massachusetts. Practices as a sole proprietor. Licensed in Massachusetts.

Licensed in
MA
In the registry since
2011
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Practice location Address checks out

235 Chestnut St
Springfield, MA 01103-1100
Phone: (413) 519-1343
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Speech-Language Assistant (primary) Taxonomy 2355S0801X · Licence 166 (MA)

Record details

NPI number1841589009
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorYes
NPI enumeratedMarch 28, 2011
Last updated in NPPESMarch 28, 2011

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