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

Individual provider Speech-Language Pathologist · NPI 1427282458

Mrs. Allison Olefson, MS is a Speech-Language Pathologist in Closter, New Jersey. Practices as a sole proprietor. Licensed in New Jersey.

Licensed in
NJ
In the registry since
2009
What do these letters mean?
MS — Master of Science
A graduate science degree.

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Practice location Address checks out

25 Kinkaid Ave
Closter, NJ 07624-2908
Phone: (201) 767-5799
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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 YS4111 (NJ)

Record details

NPI number1427282458
Entity typeIndividual (Type 1)
GenderFemale
Credentials MS
Sole proprietorYes
NPI enumeratedMay 5, 2009
Last updated in NPPESMay 5, 2009

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