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

Ms. Diane Wallace, SLP

Speech-Language Pathologist in El Paso, TX · enumerated 2007 · practices at Ukep Montwood Campus LLC.

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

National Provider Identifier

1659400471

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Registry record

Entity type Individual (Type 1)

Name Ms. Diane Wallace

Credential SLP

Sex Female

Practice address El Paso, TX, 79936

Phone (915) 594-0202

Fax (915) 591-2116

Enumeration date Mar 5, 2007

Last updated in NPPES Nov 2, 2012

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

Taxonomy & licenses

235Z00000X Speech-Language Pathologist Speech, Language and Hearing Service Providers · License 14445 (TX) Primary

SLP · Speech-Language Pathologist: A licensed clinician treating speech, language, and swallowing disorders. About the SLP credential

Other identifiers

Identifier	Type	State	Issuer
004638502	Medicaid	TX	-

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

Where does Diane Wallace practice?

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

What is the NPI number for Diane Wallace?

The National Provider Identifier (NPI) for Diane Wallace is 1659400471, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Ukep Montwood Campus LLC Child & Adolescent Psychiatry Physician · El Paso, TX NPI 1912110453

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-11-02.