Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mrs. Germeen Duplessis
Social Worker in Oxnard, CA · enumerated 2013.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1740601459
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Registry record
Entity type Individual (Type 1)
Name Mrs. Germeen Duplessis
Sex Female
Practice address 1911 Williams Dr Ste 210, Oxnard, CA, 93036
Phone (323) 346-5877
Enumeration date Dec 23, 2013
Last updated in NPPES Oct 27, 2023
Taxonomy & licenses
101YA0400X Addiction (Substance Use Disorder) Counselor Behavioral Health & Social Service Providers · License 105106-CCBCDC (CA) Secondary
101YM0800X Mental Health Counselor Behavioral Health & Social Service Providers · License ASW61269 (CA) Secondary
104100000X Social Worker Behavioral Health & Social Service Providers · License LCSW88206 (CA) Primary
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 105106-CCBCDC | Other | CA | CALIFORNIA CERTIFICATION BOARD OF CHEMICAL DEPENDENCY COUNSELORS |
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.
Frequently asked questions
Where does Germeen Duplessis practice?
The practice location on file with NPPES is in Oxnard, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Germeen Duplessis?
The National Provider Identifier (NPI) for Germeen Duplessis is 1740601459, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-10-27.