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

Katherine Nora O'Brien

Individual provider Mental Health Counselor · NPI 1023590387

Katherine Nora O'Brien is a Mental Health Counselor in Greenfield, Massachusetts. Registered with an NPI since 2018.

In the registry since
2018

Practice location Address checks out

1 Arch Pl
Greenfield, MA 01301-2457
Phone: (413) 774-1000
Fax: (413) 774-1776
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 number1023590387
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedSeptember 4, 2018
Last updated in NPPESSeptember 4, 2018

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