What is Maria De Leon's NPI number?

Maria De Leon's National Provider Identifier (NPI) is 1821841768, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Maria De Leon's specialty?

Maria De Leon is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).

Where is Maria De Leon located?

Maria De Leon's practice location on file with NPPES is 55 Rosemary Ln, Newington, CT 06111-1839.

What is Maria De Leon's phone number?

The practice phone number listed in the NPPES registry for Maria De Leon is (860) 936-4491.

Is Maria De Leon's NPI active?

Yes — Maria De Leon's NPI (1821841768) is active in the NPPES registry as of the last update on 2025-07-20.

IndividualActive

Maria De Leon, LCSW

NPI 1821841768 · Clinical Social Worker · Newington, CT

Maria De Leon, LCSW is a Clinical Social Worker provider in Newington, CT (NPI 1821841768).

Provider details

NPI number: 1821841768
Entity type: Individual
Primary specialty: Clinical Social WorkerBehavioral Health & Social Service Providers
Credential: LCSW
Sex: Female
Sole proprietor: Yes

Specialties & taxonomies

Clinical Social WorkerPrimary1041C0700X
Behavioral Health & Social Service Providers

Profile Score

Established profile(50/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
2 yrs in NPPES registry
Profile completeness38% of score
83% 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

55 Rosemary Ln

Newington, CT 06111-1839

Phone: (860) 936-4491

Street-level locationGet directions

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Mailing address