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Advanced Spine Institutefor Neck and Back Surgery

To make an appointment with Dr. David Robson or Jayne Aschen, PA-C, please call or to make an appointment with Dr. Todd Stewart, Dr. Michael Reiter or Sejal Patel, NP, please call during business hours.

We are happy to hear from you. Please contact us using the information below:

3009 N Ballas Road
Suites 320A & 269C
St. Louis, MO 63131

Suite 320A -

Suite 320A -

Suite 269C -

Suite 269C -

Driving Directions

Practice Hours

Dr. David Robson and Jayne Aschen, PA-C

Suite 320A

Monday to Friday 8:00 AM - 4:30 PM

Dr. Todd Stewart, Dr. Michael Reiter and Sejal Patel, NP

Suite 269C

Monday to Thursday 8:00 AM - 4:30 PM

Friday 8:00 AM - 12:00 PM

Please arrive 15 minutes early for your appointment for registration and to fill in a health questionnaire.

When you come for your appointment please bring the following:

  • Driver’s License or a photo ID
  • Insurance card and insurance referral (if referral is required by your insurance plan)
  • Any previous x-rays, MRIs, CT scans, myelograms and post-myelograms CT scans, or other diagnostic images and reports.

If you need to cancel an appointment

Call our office during business hours and allow at least 24 hours’ notice so that we can offer your appointment time to patients on our waiting list.

We recognize that your time is valuable, and we make every effort to run on time. Occasionally, emergencies or patients require a little more time, and these cause scheduling delays beyond our control. We apologize if we keep you waiting.

Advanced Spine Institute

for Neck and Back Surgery

3009 North Ballas Road
Suite 320A & Suite 269C
St. Louis, MO 63131

Practice Hours

Dr. David Robson

Suite 320A

Monday to Friday - 8 : 00 AM - 4 : 30 PM

Dr. Todd Stewart/ Dr. Michael Reiter

Suite 269C

Monday to Thursday - 8 : 00 AM - 4 : 30 PM
Friday - 8 : 00 AM - 12 : 00 PM