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

Katherine Joan Decker, MA

Individual provider Mental Health Counselor · NPI 1023934239

Katherine Joan Decker, MA is a Mental Health Counselor in Brookline, Massachusetts. Registered with an NPI since 2026.

In the registry since
2026
What do these letters mean?
MA — Master of Arts
A graduate arts degree.

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Practice location Address checks out

824-826 Boylston St Ste 100B
Brookline, MA 02467
Phone: (617) 468-4624
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 number1023934239
Entity typeIndividual (Type 1)
GenderFemale
Credentials MA
Sole proprietorNo
NPI enumeratedJune 24, 2026
Last updated in NPPESJune 24, 2026
Certification dateJune 5, 2026
Mailing address824-826 Boylston Street, Suite 100b, Brookline, MA 02467

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