Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Mckinzie Danielle Duesenberg-Marshall, PHD
Psychologist in Saint Charles, MO · enumerated 2025.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1659179216
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Registry record
Entity type Individual (Type 1)
Name Dr. Mckinzie Danielle Duesenberg-Marshall
Credential PHD
Sex Female
Practice address 276 Alexandria Dr, Saint Charles, MO, 63304
Phone (314) 744-9535
Enumeration date Mar 7, 2025
Last updated in NPPES Mar 11, 2026
Taxonomy & licenses
103TC0700X Clinical Psychologist Behavioral Health & Social Service Providers · License 071011421 (IL) Secondary
103T00000X Psychologist Behavioral Health & Social Service Providers · License 2025021316 (MO) Primary
PHD · Doctor of Philosophy: A doctoral degree; in healthcare often held by clinical psychologists and researchers.
About the PHD 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.
Frequently asked questions
What is the NPI number for Mckinzie Duesenberg-Marshall?
The National Provider Identifier (NPI) for Mckinzie Duesenberg-Marshall is 1659179216, a Type 1 (individual) record in the CMS NPPES registry.
Where does Mckinzie Duesenberg-Marshall practice?
The practice location on file with NPPES is in Saint Charles, MO. Providers can have multiple locations; NPPES lists the primary practice address.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-03-11.