Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Tammie Douthat, SLP-CCC

Speech-Language Pathologist in Greeneville, TN · enumerated 2013 · practices at Greeneville City Schools.

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

National Provider Identifier

1740601798

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Registry record

Entity type Individual (Type 1)

Name Tammie Douthat

Credential SLP-CCC

Sex Female

Practice address 129 W Depot St, Greeneville, TN, 37743

Phone (423) 622-1551

Fax (877) 856-7133

Enumeration date Dec 18, 2013

Last updated in NPPES Dec 18, 2013

Taxonomy & licenses

235Z00000X Speech-Language Pathologist Speech, Language and Hearing Service Providers · License 3868 (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.

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Frequently asked questions

What is the NPI number for Tammie Douthat?

The National Provider Identifier (NPI) for Tammie Douthat is 1740601798, a Type 1 (individual) record in the CMS NPPES registry.

Where does Tammie Douthat practice?

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

Other providers at this practice address

Browse all →

Greeneville City Schools Local Education Agency (LEA) · Greeneville, TN NPI 1093136236 Leslie Long Speech-Language Pathologist · Greeneville, TN NPI 1043631005

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-12-18.