Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ms. Andrea Grundstein, OTR

Specialist in Irvington, NY · enumerated 2011.

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

National Provider Identifier

1548538150

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Registry record

Entity type Individual (Type 1)

Name Ms. Andrea Grundstein

Credential OTR

Sex Female

Practice address 6 Dows Lane, Irvington, NY, 10533

Phone (914) 591-6012

Enumeration date Dec 9, 2011

Last updated in NPPES Dec 9, 2011

Taxonomy & licenses

174400000X Specialist Other Service Providers · License 001718-1 (NY) 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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Andrea Grundstein?

The National Provider Identifier (NPI) for Andrea Grundstein is 1548538150, a Type 1 (individual) record in the CMS NPPES registry.

Where does Andrea Grundstein practice?

The practice location on file with NPPES is in Irvington, 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 2011-12-09.