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

Greater Boston Assessment & Treatment, LLC

Organization Clinical Psychologist · NPI 1932824430

Greater Boston Assessment & Treatment, LLC is a Clinical Psychologist in Concord, Massachusetts. Works from 2 locations. Registered with an NPI since 2022.

In the registry since
2022
What do these letters mean?
LLC — Limited liability company
A form of business registration, not a clinical qualification.

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Practice location Address checks out

747 Main St Ste 228
Concord, MA 01742-3302
Phone: (617) 651-2207
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 124 Watertown St Ste 3a, Watertown, MA 02472-2599 — (617) 651-2207

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X

Record details

NPI number1932824430
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Kirstin Birtwell — Founder / Clinical Psychologist · (617) 651-2207
NPI enumeratedOctober 6, 2022
Last updated in NPPESOctober 6, 2022
Certification dateOctober 6, 2022
Mailing addressPo Box 300730, Jamaica Plain, MA 02130-0007

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