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

Katherine Dorothy Johnston

Individual provider Mental Health Counselor · NPI 1104601889

Katherine Dorothy Johnston is a Mental Health Counselor in Holyoke, Massachusetts. Registered with an NPI since 2023.

In the registry since
2023

Practice location Address checks out

303 Beech St
Holyoke, MA 01040-3968
Phone: (413) 540-1234
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X

Record details

NPI number1104601889
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedAugust 30, 2023
Last updated in NPPESAugust 30, 2023
Certification dateAugust 30, 2023

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