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

Dr. Lyanna Diaz, PSYD

Q: What is the NPI number for Lyanna Diaz?

The National Provider Identifier (NPI) for Lyanna Diaz is 1982093498, a Type 1 (individual) record in the CMS NPPES registry.

Clinical Psychologist in Fort Meade, SD · enumerated 2015.

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

National Provider Identifier

1982093498

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Registry record

Entity type Individual (Type 1)

Name Dr. Lyanna Diaz

Credential PSYD

Sex Female

Practice address Fort Meade, SD, 57741

Phone (605) 347-2511

Enumeration date Jan 21, 2015

Last updated in NPPES Mar 20, 2024

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

Taxonomy & licenses

103TC0700X Clinical Psychologist Behavioral Health & Social Service Providers · License 607 (SD) Primary

PSYD · Doctor of Psychology: A clinical doctorate in psychology focused on professional practice. About the PSYD credential

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 Lyanna Diaz?

The National Provider Identifier (NPI) for Lyanna Diaz is 1982093498, a Type 1 (individual) record in the CMS NPPES registry.

Where does Lyanna Diaz practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-03-20.