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

Mental Health Matters Practice PLLC

Organization Clinical Social Worker · NPI 1356052641

Mental Health Matters Practice PLLC is a Clinical Social Worker in Cambridge, Massachusetts. Registered with an NPI since 2022.

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

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Practice location Address checks out

875 Massachusetts Ave Ste 4
Cambridge, MA 02139-3067
Phone: (617) 812-1697
Fax: (617) 812-1697
Show map & directions

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

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X

Record details

NPI number1356052641
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Kayley Walsh — Clinical Director · (781) 835-5733
Other names Ellie Mental Health; Ellie Mental Health
NPI enumeratedDecember 8, 2022
Last updated in NPPESMarch 16, 2023
Certification dateMarch 16, 2023
Mailing address875 Massachusetts Ave Ste 4, Cambridge, MA 02139-3067

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