Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ms. Deborah Kathleen Mendonsa

Addiction (Substance Use Disorder) Counselor in South Lake Tahoe, CA · enumerated 2007.

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

National Provider Identifier

1780889030

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Registry record

Entity type Individual (Type 1)

Name Ms. Deborah Kathleen Mendonsa

Sex Female

Practice address 1137 Emerald Bay Rd, South Lake Tahoe, CA, 96150

Phone (530) 541-5190

Enumeration date Jun 18, 2007

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

101YA0400X Addiction (Substance Use Disorder) Counselor Behavioral Health & Social Service Providers · License 00995-L (NV) 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 Deborah Mendonsa?

The National Provider Identifier (NPI) for Deborah Mendonsa is 1780889030, a Type 1 (individual) record in the CMS NPPES registry.

Where does Deborah Mendonsa practice?

The practice location on file with NPPES is in South Lake Tahoe, 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 2007-07-08.