What is Lawrence Grenner's NPI number?

Lawrence Grenner's National Provider Identifier (NPI) is 1104630359, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Lawrence Grenner's specialty?

Lawrence Grenner is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).

Where is Lawrence Grenner located?

Lawrence Grenner's practice location on file with NPPES is 8 Dante Pl, Waldwick, NJ 07463-1208.

What is Lawrence Grenner's phone number?

The practice phone number listed in the NPPES registry for Lawrence Grenner is (201) 446-2415.

Is Lawrence Grenner's NPI active?

Yes — Lawrence Grenner's NPI (1104630359) is active in the NPPES registry as of the last update on 2025-02-06.

IndividualActive

Lawrence Grenner, LSW

NPI 1104630359 · Social Worker · Waldwick, NJ

Lawrence Grenner, LSW is a Social Worker provider in Waldwick, NJ (NPI 1104630359).

Provider details

NPI number: 1104630359
Entity type: Individual
Primary specialty: Social WorkerBehavioral Health & Social Service Providers
Credential: LSW
Sex: Male
Sole proprietor: No
License: 44SL05172000 (NJ)

Specialties & taxonomies

Social WorkerPrimary104100000XLicense 44SL05172000 (NJ)
Behavioral Health & Social Service Providers

Profile Score

Established profile(55/100 index)

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

Registry tenure38% of score
1 yr 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

8 Dante Pl

Waldwick, NJ 07463-1208

Phone: (201) 446-2415

Street-level locationGet directions

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Mailing address