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

Individual provider Speech-Language Pathologist · NPI 1619263316

Katherine Mackenzie Duffy, MA is a Speech-Language Pathologist in Venice, California. Registered with an NPI since 2011.

In the registry since
2011
What do these letters mean?
MA — Master of Arts
A graduate arts degree.

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Practice location Address checks out

33 Thornton Ave
Venice, CA 90291-2518
Phone: (562) 826-5415
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Speech-Language Pathologist (primary) Taxonomy 235Z00000X

Record details

NPI number1619263316
Entity typeIndividual (Type 1)
GenderFemale
Credentials MA
Sole proprietorNo
NPI enumeratedJune 22, 2011
Last updated in NPPESJune 22, 2011

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