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

Haley McMahon

Individual provider Speech-Language Pathologist · NPI 1134745979

Haley McMahon is a Speech-Language Pathologist in Lewistown, Montana. Licensed in Montana. Registered with an NPI since 2020.

Licensed in
MT
In the registry since
2020

Practice location Address checks out

408 Wendell Ave
Lewistown, MT 59457-2261
Phone: (406) 535-7711
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 SLP-LTD-LIC-82 (MT)

Record details

NPI number1134745979
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedJune 17, 2020
Last updated in NPPESJune 17, 2020
Certification dateJune 17, 2020
Mailing address408 Wendell Ave, Lewistown, MT 59457-2261

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