Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Grace Feiner

Behavior Analyst in Nashville, TN · enumerated 2023.

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

National Provider Identifier

1821777442

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Registry record

Entity type Individual (Type 1)

Name Grace Feiner

Sex Female

Practice address 4721 Trousdale Dr Ste 206, Nashville, TN, 37220

Phone (615) 852-5955

Enumeration date Jul 12, 2023

Last updated in NPPES Jul 12, 2023

Taxonomy & licenses

103K00000X Behavior Analyst Behavioral Health & Social Service Providers · License 1299 (TN) 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

How do I verify Grace Feiner's NPI record?

Cross-check NPI 1821777442 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1821777442 active?

Yes, as of the latest NPPES snapshot, NPI 1821777442 is active (record last updated 2023-07-12).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-07-12.