Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mrs. Clare Thacker

Speech-Language Pathologist in Abingdon, MD · enumerated 2022.

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

National Provider Identifier

1407575400

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Registry record

Entity type Individual (Type 1)

Name Mrs. Clare Thacker

Sex Female

Practice address 399 Singer Rd, Abingdon, MD, 21009

Phone (443) 655-3037

Enumeration date Aug 23, 2022

Last updated in NPPES Aug 23, 2022

Taxonomy & licenses

235Z00000X Speech-Language Pathologist Speech, Language and Hearing Service Providers Secondary

235Z00000X Speech-Language Pathologist Speech, Language and Hearing Service Providers · License 09109 (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

How do I verify Clare Thacker's NPI record?

Cross-check NPI 1407575400 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1407575400 active?

Yes, as of the latest NPPES snapshot, NPI 1407575400 is active (record last updated 2022-08-23).

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-08-23.