What is Josep Grunstein's NPI number?

Josep Grunstein's National Provider Identifier (NPI) is 1427865732, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Josep Grunstein's specialty?

Josep Grunstein is listed in the NPPES registry with a primary specialty of Behavior Analyst (Behavioral Health & Social Service Providers).

Where is Josep Grunstein located?

Josep Grunstein's practice location on file with NPPES is 12 Harrison Ave Apt 1d, Brooklyn, NY 11211-8137.

What is Josep Grunstein's phone number?

The practice phone number listed in the NPPES registry for Josep Grunstein is (646) 860-8958.

Is Josep Grunstein's NPI active?

Yes — Josep Grunstein's NPI (1427865732) is active in the NPPES registry as of the last update on 2024-12-11.

IndividualActive

Josep Grunstein

NPI 1427865732 · Behavior Analyst · Brooklyn, NY

Josep Grunstein is a Behavior Analyst provider in Brooklyn, NY (NPI 1427865732).

Provider details

NPI number: 1427865732
Entity type: Individual
Primary specialty: Behavior AnalystBehavioral Health & Social Service Providers
Sex: Male
Sole proprietor: Yes

Specialties & taxonomies

Behavior AnalystPrimary103K00000X
Behavioral Health & Social Service Providers

Profile Score

Basic profile(49/100 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
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

12 Harrison Ave Apt 1d

Brooklyn, NY 11211-8137

Phone: (646) 860-8958

Street-level locationGet directions

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Mailing address