OrganizationActive
Mallory Grimste LLC
NPI 1417444910 · Clinical Social Worker · Branford, CT
Mallory Grimste LLC is a Clinical Social Worker organization in Branford, CT (NPI 1417444910).
Provider details
- NPI number
- 1417444910
- Entity type
- Organization
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Organization subpart
- No
- Authorized official
- Mallory Grimste, Owner(203) 228-8971
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(68/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
250 W Main St Ste 203
Branford, CT 06405-4032
Phone: (203) 228-8971
Fax: (203) 429-8628
Street-level locationGet directions
Mailing address
250 W Main St Ste 203
Branford, CT 06405-4032
Other names (DBA / former)
- Doing business as
- Mallory Grimste, Lcsw
Registry dates
- Enumerated
- 2018-04-19
- Last updated
- 2025-12-26
- Certified
- 2025-12-26
Frequently asked questions
- What is Mallory Grimste LLC's NPI number?
- Mallory Grimste LLC's National Provider Identifier (NPI) is 1417444910, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Mallory Grimste LLC?
- Mallory Grimste LLC is classified in the NPPES registry as Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Mallory Grimste LLC located?
- Mallory Grimste LLC's practice location on file with NPPES is 250 W Main St Ste 203, Branford, CT 06405-4032.
- What is Mallory Grimste LLC's phone number?
- The practice phone number listed in the NPPES registry for Mallory Grimste LLC is (203) 228-8971.
- Who is the authorized official for Mallory Grimste LLC?
- The authorized official listed on Mallory Grimste LLC's NPPES record is Mallory Grimste, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Mallory Grimste LLC's NPI active?
- Yes — Mallory Grimste LLC's NPI (1417444910) is active in the NPPES registry as of the last update on 2025-12-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.