MEET THE TEAM
Founder and Director
Kalen Dionne MD, PhD
Dr. Dionne was born and raised in the Eastern Plains of Colorado. He initially worked for his family’s construction business, but his career trajectory changed after attending Colorado’s Rural Health Scholars Program in early high school. He eventually became a magna cum laude graduate of Colorado College, where he completed his bachelor’s degree with distinction in Neuroscience. He then matriculated into the prestigious Medical Scientist Training Program (MSTP) at the University of Colorado, where he earned his Ph.D. in Neuroscience and his medical degree (M.D.). He went on to complete a rigorous neurology residency at Barnes-Jewish Hospital/Washington University in St. Louis. He then served as an attending neurologist at Washington University in St. Louis for several years before moving to Washington, Missouri to lead the Neurology section at Mercy Clinic. In 2025, he started his own practice (Dionne Neurology) in Washington, Missouri. Dr. Dionne and his family are ecstatic to be part of this charming community.
To learn more, visit Dr. Dionne's LinkedIn page.
Medical Assistant
Julie Huttenlocker
Julie was born and raised on her family’s hog farm just west of Washington, Missouri. She spent her childhood days on the farm and was active in the 4-H club and enjoyed showing a hog every summer at the Washington Town and Country Fair. Julie graduated from Washington High School, where she was active in the Health Occupations program. Julie and her husband Marc built their forever home on the family farm, where they are raising their two boys. She previously served as the President of the Washington West PTC and continues to be active with her boy’s school activities. She enjoys spending time outdoors in her flower beds during the summer. In her free time, she loves taking camping trips with her family. Julie has been a part of the medical field for a decade and is very excited to be a part of Dr. Dionne’s practice.
Medical Receptionist
Lilyan Vanderver
Born and raised in Pacific, Missouri, Lilyan is proud to call Franklin County home. She spent much of her childhood on the soccer field and in the dance studio, dancing from the age of two and a half until she was 18. She graduated from Pacific High School. She now resides in Villa Ridge with her fiancé and their two boys, Waylon and Kash. Outside of her medical career, Lilyan is a professional photographer. Photography allows her to combine her creativity with her love for capturing meaningful moments. When she isn’t working or behind the camera, you can usually find her exploring the outdoors, enjoying a good river day, or making memories with her family and friends. Lilyan looks forward to growing professionally, connecting with patients and coworkers, and becoming a valued part of the Dionne Neurology team.
OUR SERVICES
We diagnose and treat a wide range of neurologic conditions affecting adults (aged 18 and older):
New patient appointments
All new patients require a physician referral, which can be faxed to us at 636-330-2025. Dr. Dionne and his team will review all new patient referrals, and those patients that may benefit from our services will be called to schedule a new patient appointment.
We currently accept the following insurances:
Medicare
UnitedHealthcare
Anthem BCBS
Aetna
Cigna
Humana
Essence Healthcare
TriCare/TriWest
Insurance coverage
CONTACT US
Address
811 E. 8th St, Ste 102,
Washington, MO 63090
Phone and Fax
Telephone: (636) 330-2020
Fax: (636) 330-2025
Opening Hours
Mon, Wed, Thurs: 8:15AM-3:15PM
Tues & Fri: 8:15AM-12:15PM
Sat & Sun: Closed
Follow us on Facebook!
© 2025 by Dionne Neurology | Disclaimer, Privacy, and Terms of Use