Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Jack Grobstein

Psychologist in Monroe, NY · enumerated 2010.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1013219120

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Registry record

Entity type Individual (Type 1)

Name Jack Grobstein

Sex Male

Practice address 22 Merriewold Ln N, Monroe, NY, 10950

Phone (845) 837-9085

Enumeration date Nov 22, 2010

Last updated in NPPES Nov 22, 2010

Taxonomy & licenses

103T00000X Psychologist Behavioral Health & Social Service Providers Primary

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

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Frequently asked questions

What is the NPI number for Jack Grobstein?

The National Provider Identifier (NPI) for Jack Grobstein is 1013219120, a Type 1 (individual) record in the CMS NPPES registry.

Where does Jack Grobstein practice?

The practice location on file with NPPES is in Monroe, NY. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-11-22.