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

Katherine Ellen Costantini Tenner, MS, CF-SLP

Individual provider Speech-Language Pathologist · NPI 1184119919

Katherine Ellen Costantini Tenner, MS, CF-SLP is a Speech-Language Pathologist in Washington, District of Columbia. Registered with an NPI since 2018.

In the registry since
2018
What do these letters mean?
MS — Master of Science
A graduate science degree.

See every abbreviation used in this directory →

Practice location Address checks out

3801 Connecticut Ave NW Ste 100
Washington, DC 20008
Phone: (202) 525-1641
Fax: (202) 299-0590
Show map & directions

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

Specialties & licences

Speech-Language Pathologist (primary) Taxonomy 235Z00000X

Record details

NPI number1184119919
Entity typeIndividual (Type 1)
GenderFemale
Credentials MS , CF-SLP
Sole proprietorNo
NPI enumeratedJune 25, 2018
Last updated in NPPESAugust 27, 2018

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