- GET IN TOUCH
Lets start a conversation
No commitment, no pressure, just a warm conversation about your child and family. We'll help you figure out the best next step together.

No obligation to book
Free 15-min consultation
Response in 1 business day

Dr. McKinzie Duesenberg-Marshall
Licensed Clinical Psychologist & NCSP · St. Charles, MO
CONTACT DETAILS
Phone
314-744-9535
Address
Woodstone Plaza, Suite 102
3930 South Old Highway 94
St. Charles, MO 63304
OFFICE HOURS
Monday-Friday
8am-6pm
Saturday
By Appointment
Sunday
By Appointment
ALSO FIND US ON
- AFTER YOU REACH OUT
What happens next
01
We Reach Back Out
You'll hear from us within one business day — by your preferred contact method. No automated responses, just a real reply from our team.
02
Free 15-Min Consultation
We'll schedule a complimentary call to talk through what's going on, answer your questions, and figure out together whether we're the right fit.
03
We Reach Back Out
If it feels like a good match, we'll schedule your intake session and send everything you need to get started — simple, clear, and at your own pace.
Find us
Address
Woodstone Plaza, Suite 102
3930 South Old Highway 94
St. Charles, MO 63304
Phone
314-744-9535
Telehealth
Available across all PSYPACT participating states
