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MALLORY GRIMSTE LLC
NPI 1417444910
Social Worker - Clinical in Branford, CT

Active since April 19, 2018
250 W MAIN ST STE 203, BRANFORD, CT 06405(203) 228-8971(203) 429-8628 Get Directions Write a Review

NPPES record last updated: December 26, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Dec 26, 2025, Dec 12, 2025, Apr 19, 2018 (3 updates tracked since 2018).

About Mallory Grimste Llc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MALLORY GRIMSTE LLC (NPI 1417444910), doing business as Mallory Grimste, Lcsw, is a healthcare organization registered as a clinical in Branford, Connecticut and active in the NPI registry since April 2018. The organization lists Mallory Anne Grimste, Owner, as its authorized official.

NPPES Registry Identity

NPI1417444910
Entity TypeOrganization
Primary Taxonomy1041C0700X
Legal Business NameMALLORY GRIMSTE LLC
Location Address250 W MAIN ST STE 203Branford, CT 06405-4032
Mailing Address250 W Main St Ste 203Branford, CT 06405-4032 · (203) 228-8971 · Fax (203) 429-8628
Phone(203) 228-8971
Fax(203) 429-8628
Organization SubpartNo
Authorized OfficialMallory Anne GrimsteOwner · (203) 228-8971
Enumeration DateApril 19, 2018
Last NPPES UpdateDecember 26, 20253 updates tracked since enumeration
NPPES CertifiedDecember 26, 2025
✔ NPI 1417444910 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
250 W MAIN ST STE 203, Branford, CT 06405
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Other Names 1

Doing Business AsMallory Grimste, Lcsw

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MS. MALLORY ANNE GRIMSTE LCSW
Social Worker
250 W MAIN ST STE 203
BRANFORD, CT 06405
South Central Connecticut Planning Region (203) 228-8971

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mallory Grimste LLC's NPI number?

The NPI number for Mallory Grimste LLC is 1417444910. It was assigned to this organization in the NPPES registry on April 19, 2018. The provider is doing business as Mallory Grimste, LCSW.

Where is Mallory Grimste LLC located?

Mallory Grimste LLC is located at 250 W Main St Ste 203, Branford, CT 06405. The listed phone number is (203) 228-8971.

What is Mallory Grimste LLC's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

When was this NPI record last updated?

The NPPES record for Mallory Grimste LLC was last updated on December 26, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.