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

Diana Lynn Mattsen

Individual provider Speech-Language Pathologist · NPI 1528529740

Diana Lynn Mattsen is a Speech-Language Pathologist in Germantown, Maryland. Licensed in Maryland. Registered with an NPI since 2019.

Licensed in
MD
In the registry since
2019

Practice location Address checks out

24001 Ridge Rd
Germantown, MD 20876-4636
Phone: (301) 253-7000
Show map & directions

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

Specialties & licences

Speech-Language Pathologist (primary) Taxonomy 235Z00000X · Licence 03597 (MD)

Record details

NPI number1528529740
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedMarch 29, 2019
Last updated in NPPESMarch 29, 2019

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