Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dianna L Dean, LPC

Q: What is the NPI number for Dianna Dean?

The National Provider Identifier (NPI) for Dianna Dean is 1477748978, a Type 1 (individual) record in the CMS NPPES registry.

Professional Counselor in Denison, TX · enumerated 2007.

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

National Provider Identifier

1477748978

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Registry record

Entity type Individual (Type 1)

Name Dianna L Dean

Credential LPC

Sex Female

Practice address 416 E Main St, Denison, TX, 75021

Phone (903) 465-6344

Fax (903) 465-5943

Enumeration date Sep 8, 2007

Last updated in NPPES Dec 18, 2024

Taxonomy & licenses

101YP2500X Professional Counselor Behavioral Health & Social Service Providers · License 16757 (TX) Primary

101YP2500X Professional Counselor Behavioral Health & Social Service Providers · License 3066 (OK) Secondary

104100000X Social Worker Behavioral Health & Social Service Providers · License 26213 (TX) Secondary

LPC · Licensed Professional Counselor: A licensed mental-health counselor providing psychotherapy. About the LPC credential

Other identifiers

Identifier	Type	State	Issuer
029086803	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

What is the NPI number for Dianna Dean?

The National Provider Identifier (NPI) for Dianna Dean is 1477748978, a Type 1 (individual) record in the CMS NPPES registry.

Where does Dianna Dean practice?

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

Other providers at this practice address

Browse all →

Dianna L Dean, Lpc, PC Mental Health Counselor · Denison, TX NPI 1699835991 Faith-Works for Humanity Mental Health Counselor · Denison, TX NPI 1629285887 Suzanne Draper Mental Health Counselor · Denison, TX NPI 1043515760 James Runnels Mental Health Counselor · Denison, TX NPI 1801163217 Kelli Powell Mental Health Counselor · Denison, TX NPI 1326664004 Lucinda Irby Mental Health Counselor · Denison, TX NPI 1932075488

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-12-18.