Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Dyan Yacovelli, PSYD

Intellectual & Developmental Disabilities Psychologist in Atascadero, CA · enumerated 2006.

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

National Provider Identifier

1497787972

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Registry record

Entity type Individual (Type 1)

Name Dr. Dyan Yacovelli

Credential PSYD

Sex Female

Practice address 10333 El Camino Real, Atascadero, CA, 93422

Phone (805) 468-2000

Enumeration date Jul 7, 2006

Last updated in NPPES Jul 7, 2016

Taxonomy & licenses

103TM1800X Intellectual & Developmental Disabilities Psychologist Behavioral Health & Social Service Providers · License PSY17220 (CA) 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 Dyan Yacovelli?

The National Provider Identifier (NPI) for Dyan Yacovelli is 1497787972, a Type 1 (individual) record in the CMS NPPES registry.

Where does Dyan Yacovelli practice?

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

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-07-07.