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

Martha Johnston, PTA

Individual provider Physical Therapy Assistant · NPI 1992299572

Martha Johnston, PTA is a Physical Therapy Assistant in Grandville, Michigan. Practices as a sole proprietor. Licensed in Michigan.

Licensed in
MI
In the registry since
2018
What do these letters mean?
PTA — Physical Therapist Assistant
Delivers treatment under a physical therapist's direction.

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Practice location Address checks out

3400 Wilson Ave SW
Grandville, MI 49418-1854
Phone: (616) 534-5487
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Physical Therapy Assistant (primary) Taxonomy 225200000X · Licence 5502000187 (MI)

Record details

NPI number1992299572
Entity typeIndividual (Type 1)
GenderFemale
Credentials PTA
Sole proprietorYes
NPI enumeratedJune 18, 2018
Last updated in NPPESJune 18, 2018
Mailing address6331 Rushview Dr, Hudsonville, MI 49426-9085

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