Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Grace Olivieri, LCSW-C

Social Worker in Burtonsville, MD · enumerated 2018.

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

National Provider Identifier

1801386354

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Registry record

Entity type Individual (Type 1)

Name Grace Olivieri

Credential LCSW-C

Sex Female

Practice address Burtonsville, MD, 20866

Phone (240) 704-3662

Enumeration date May 10, 2018

Last updated in NPPES May 12, 2025

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

104100000X Social Worker Behavioral Health & Social Service Providers · License 23671 (MD) 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 Grace Olivieri?

The National Provider Identifier (NPI) for Grace Olivieri is 1801386354, a Type 1 (individual) record in the CMS NPPES registry.

Where does Grace Olivieri practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-05-12.