Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. MCKINZIE DANIELLE DUESENBERG-MARSHALL PHD
NPI 1659179216
Psychologist in Saint Charles, MO

Active since March 07, 2025
3900 S OLD HIGHWAY 94 STE 3, SAINT CHARLES, MO 63304(314) 744-9535 Get Directions Write a Review

NPPES record last updated: September 25, 2026. Verified against the NPPES registry weekly; last sync: October 04, 2026.

Record update history: Sep 25, 2026, Mar 11, 2026, Jun 27, 2025 and 1 more (4 updates tracked since 2025).

About Dr. Mckinzie Danielle Duesenberg-marshall Phd NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MCKINZIE DANIELLE DUESENBERG-MARSHALL PHD (NPI 1659179216) is an individual psychologist in Saint Charles, Missouri, licensed in Missouri (2025021316) and active in the NPI registry since March 2025.

NPPES Registry Identity

NPI1659179216
Entity TypeIndividualFemale
Primary Taxonomy103T00000X
Provider Legal NameDR. MCKINZIE DANIELLE DUESENBERG-MARSHALLCredential: PHD
Location Address3900 S OLD HIGHWAY 94 STE 3Saint Charles, MO 63304-2800
Mailing Address3900 S Old Highway 94 Ste 3Saint Charles, MO 63304-2800 · (314) 744-9535
Sole ProprietorNo
Enumeration DateMarch 7, 2025
Last NPPES UpdateSeptember 25, 20264 updates tracked since enumeration
NPPES CertifiedSeptember 25, 2026
✔ NPI 1659179216 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychologistBehavioral Health & Social Service Providers
Taxonomy Code103T00000X
License✔ Licensed in MO · 2025021316
Definition
A psychologist is an individual who is licensed to practice psychology which is defined as the observation, description, evaluation, interpretation, and modification of human behavior by the application of psychological principles, methods, and procedures, for the purpose of preventing or eliminating symptomatic, maladaptive, or undesired behavior and of enhancing interpersonal relationships, work and life adjustment, personal effectiveness, behavioral health, and mental health. The practice of psychology includes, but is not limited to, psychological testing and the evaluation or assessment of personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning; counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy; diagnosis and treatment of mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability; and psycheducational evaluation, therapy, remediation, and consultation. Psychological services may be rendered to individuals, families, groups and the public.
Also ListedPsychologist · ClinicalTaxonomy 103TC0700X · License 071011421 (IL)
3900 S OLD HIGHWAY 94 STE 3, Saint Charles, MO 63304

Other Names 1

Former Name (1)Dr. Mckinzie Danielle Duesenberg Phd

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Psychologist (Clinical Child & Adolescent)
3900 S OLD HIGHWAY 94 STE 3
SAINT CHARLES, MO 63304
Technician, Other
3900 S OLD HIGHWAY 94 STE 3
SAINT CHARLES, MO 63304

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mckinzie Duesenberg-marshall's NPI number?

The NPI number for Mckinzie Duesenberg-marshall is 1659179216. It was assigned to this individual provider in the NPPES registry on March 7, 2025. The provider is also known as Dr. Mckinzie Danielle Duesenberg Phd.

Where is Mckinzie Duesenberg-marshall located?

Mckinzie Duesenberg-marshall practices at 3900 S Old Highway 94 Ste 3, Saint Charles, MO 63304. The listed phone number is (314) 744-9535.

What is Mckinzie Duesenberg-marshall's specialty?

The primary specialty registered for this NPI is Psychologist with taxonomy code 103T00000X.

When was this NPI record last updated?

The NPPES record for Mckinzie Duesenberg-marshall was last updated on September 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.