Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Denise Erin Leonard

Marriage & Family Therapist in Placerville, CA · enumerated 2018 · practices at El Dorado County Mental Health.

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

National Provider Identifier

1427557222

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Registry record

Entity type Individual (Type 1)

Name Denise Erin Leonard

Sex Female

Practice address 670 Placerville Dr, Placerville, CA, 95667

Phone (530) 644-2412

Enumeration date Feb 7, 2018

Last updated in NPPES Jul 31, 2020

Taxonomy & licenses

104100000X Social Worker Behavioral Health & Social Service Providers · License 119146 (CA) Secondary

171M00000X Case Manager/Care Coordinator Other Service Providers Secondary

106H00000X Marriage & Family Therapist Behavioral Health & Social Service Providers 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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Denise Leonard?

The National Provider Identifier (NPI) for Denise Leonard is 1427557222, a Type 1 (individual) record in the CMS NPPES registry.

Where does Denise Leonard practice?

The practice location on file with NPPES is in Placerville, CA. 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 2020-07-31.