Contact Us

3955 Bayless Avenue Suite 100
Saint Louis, MO 63125

Monday – Wednesday 8 AM – 5 PM
Thursday – 7 AM – 1 PM
Friday – Closed for Clinical Research/Teaching
Saturday – Closed for Clinical Research/Teaching
Sunday – Closed

After Hours
Don’t panic! We’re only a phone call away! Our after-hours telephone number for existing patients of Dr. Keller is (314) 602-9084. If you have a dental emergency, please call our after-hours telephone number and follow the instructions on our out-going message. You may also reach Dr. Keller via email at

Please note that medications will only be prescribed for patients who have recently been seen in our office.

If you have a medical emergency, please call 911 or get to the nearest emergency room.

New Patient Registration Forms

We attempt to see you at your appointed time as much as possible since we believe your time is as valuable as ours. If you would like to save some time, download our New Patient Registration forms. Print it, fill it out and then fax it, mail it, or bring them with you to your first appointment.

Please complete the form that corresponds to the treatment you need: