Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Denise Haverty

Addiction (Substance Use Disorder) Counselor in Clayton, CA · enumerated 2015.

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

National Provider Identifier

1265803456

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Registry record

Entity type Individual (Type 1)

Name Denise Haverty

Sex Female

Practice address 11540 Marsh Creek Rd, Clayton, CA, 94517

Phone (925) 672-5700

Enumeration date Oct 13, 2015

Last updated in NPPES Oct 13, 2015

Taxonomy & licenses

101YA0400X Addiction (Substance Use Disorder) Counselor Behavioral Health & Social Service Providers · License H1208102051 (CA) 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 Denise Haverty?

The National Provider Identifier (NPI) for Denise Haverty is 1265803456, a Type 1 (individual) record in the CMS NPPES registry.

Where does Denise Haverty practice?

The practice location on file with NPPES is in Clayton, 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 2015-10-13.