Contact Us

We strive to provide you with the most optimal service possible so that you can focus on your patient's care. Fill out the form below and let us know how we can be of service to you.

Note: NDX is unable to respond to patient inquiries. Please direct all questions to your physician.

NDX Keller

160 Larkin Williams Industrial Court
Fenton, MO 63026
Get Directions

Toll-Free: (800) 325-3056
Local: (636) 600-4200
Fax: (636) 600-4396

Hours of Operation:
Monday-Thursday: 7:00am - 7:00pm CST
Friday: 7:00am - 5:00pm CST