Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Larissa Niessen, MSCCC-SLP/L

Individual provider Speech-Language Pathologist · NPI 1780299180

Larissa Niessen, MSCCC-SLP/L is a Speech-Language Pathologist in Fullerton, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2020
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Practice location Address checks out

1401 W Valencia Dr
Fullerton, CA 92833-3998
Phone: (714) 447-7745
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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 · Licence 23092 (CA)

Record details

NPI number1780299180
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSCCC-SLP/L
Sole proprietorYes
NPI enumeratedSeptember 11, 2020
Last updated in NPPESSeptember 11, 2020
Certification dateSeptember 11, 2020

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