Diane Mallach, LCSW
NPI 1508966417 · Clinical Social Worker · Belleville, NJ
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Diane Mallach, LCSW is a Clinical Social Worker provider in Belleville, NJ (NPI 1508966417).
Provider details
- NPI number
- 1508966417
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- No
- License
- 44SC00284200 (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
- 2006-09-22
- Last updated
- 2007-07-08
Frequently asked questions
- What is Diane Mallach's NPI number?
- Diane Mallach's National Provider Identifier (NPI) is 1508966417, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diane Mallach's specialty?
- Diane Mallach is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Diane Mallach located?
- Diane Mallach's practice location on file with NPPES is 50 Newark Ave, Belleville, NJ 07109.
- What is Diane Mallach's phone number?
- The practice phone number listed in the NPPES registry for Diane Mallach is (973) 450-0220.
- Does Diane Mallach accept Medicare?
- Diane Mallach is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Diane Mallach's NPI active?
- Yes — Diane Mallach's NPI (1508966417) 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.