Leslie Heller, M.S.W., L.C.S.W
NPI 1649304593 · Clinical Social Worker · Upper Montclair, NJ
Leslie Heller, M.S.W., L.C.S.W is a Clinical Social Worker provider in Upper Montclair, NJ (NPI 1649304593).
Provider details
- NPI number
- 1649304593
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- M.S.W., L.C.S.W
- Sex
- Female
- Sole proprietor
- Yes
- License
- 44SC04620600 (NJ)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
Mailing address
Registry dates
- Enumerated
- 2007-03-15
- Last updated
- 2007-07-08
Frequently asked questions
- What is Leslie Heller's NPI number?
- Leslie Heller's National Provider Identifier (NPI) is 1649304593, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leslie Heller's specialty?
- Leslie Heller is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Leslie Heller located?
- Leslie Heller's practice location on file with NPPES is 218 Lorraine Ave, Upper Montclair, NJ 07043-1915.
- What is Leslie Heller's phone number?
- The practice phone number listed in the NPPES registry for Leslie Heller is (973) 744-4454.
- Is Leslie Heller's NPI active?
- Yes — Leslie Heller's NPI (1649304593) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.