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

Sarah Emily Kostecki, MA, RDT

Individual provider Mental Health Counselor · NPI 1891100343

Sarah Emily Kostecki, MA, RDT is a Mental Health Counselor in Brookline, Massachusetts. Registered with an NPI since 2014.

In the registry since
2014
What do these letters mean?
MA — Master of Arts
A graduate arts degree.

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Practice location Address checks out

1269 Beacon St
Brookline, MA 02446-5248
Phone: (617) 232-1303
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X

Record details

NPI number1891100343
Entity typeIndividual (Type 1)
GenderFemale
Credentials MA , RDT
Sole proprietorNo
NPI enumeratedJune 24, 2014
Last updated in NPPESJuly 20, 2015

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