Usher Gruenstein, LCSW
NPI 1023595832 · Clinical Social Worker · Jackson, NJ
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Usher Gruenstein, LCSW is a Clinical Social Worker provider in Jackson, NJ (NPI 1023595832).
Provider details
- NPI number
- 1023595832
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Male
- Sole proprietor
- No
- License
- 097324 (NY)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
7 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
- 2018-07-24
- Last updated
- 2025-05-15
- Certified
- 2025-05-15
Frequently asked questions
- What is Usher Gruenstein's NPI number?
- Usher Gruenstein's National Provider Identifier (NPI) is 1023595832, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Usher Gruenstein's specialty?
- Usher Gruenstein is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Usher Gruenstein located?
- Usher Gruenstein's practice location on file with NPPES is 101 Valley Rd, Jackson, NJ 08527-1840.
- What is Usher Gruenstein's phone number?
- The practice phone number listed in the NPPES registry for Usher Gruenstein is (347) 631-5421.
- Does Usher Gruenstein accept Medicare?
- Usher Gruenstein is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Usher Gruenstein's NPI active?
- Yes — Usher Gruenstein's NPI (1023595832) is active in the NPPES registry as of the last update on 2025-05-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.