Patient Info & Resources
At the Advanced Colorectal Clinic, we strive to make your experience as convenient and comfortable as possible. As part of our commitment to open communication and patient-centered care, we provide convenient online access to our pre-and post-procedure instructions, patient forms, bill pay, patient portal, and more.
Also, log in to your telehealth appointment with Dr. Aston, or log in to your telehealth appointment with Dr. Hollister here.
Did you know you can pay your bill conveniently online?
Patient Forms
We provide convenient online access to our new patient paperwork. Simply, download, print, and bring your completed forms with you to your appointment.
Patient Portal
Take control of your healthcare by accessing our secure patient portal to update your personal information, request prescription refills, communicate with your provider, and more.
Log in to your telehealth appointment here.
Accepted Insurances
Below is a list of our commonly accepted insurances. If your insurance is not included on this list, please contact us, as insurance plans, coverage, and qualifications change frequently.
- Aetna
- Blue Cross Blue Shield
- Cigna
- Healthspring
- Humana
- United Healthcare
- Tricare
- Medicare
Pre-and Post-Procedure Instructions
We understand that preparing for or coming home from a procedure can be stressful. That's why we provide detailed instructions for before and after some of our most common procedures. Simply, select from the menu options below. Do you still have questions or concerns? No problem. Contact us using our online form or call us at 615.342.5740.
Centennial Medical Center
Colonoscopy
Pill Prep
MiraLax Prep
Suprep
Anal Surgery Post-Op
Patient Testimonials.
I can honestly say they saved my life! The providers have the best bedside manner and are very knowledgeable. Everyone was determined to help me and did. Can't thank the doctors and staff enough for all they do. HIGHLY recommend them.
-Thomas B.
Dr. Aston and his staff are wonderful. My wife and I felt good going in and even better coming out. Thanks to Dr. Aston, Kelly, Autrice, Jordan, and Missy (who we didn't get to meet, but we know she has to be 5-star also working with this staff), we had a very pleasant experience. THANK YOU!
-Bob M.
Not enough stars to express my amazing experience with Dr Hollister. I've never been to a more compassionate, professional, and caring provider before. He was prepared and knew my history and frustrations. He sat with me and my husband for an extended time and educated us through the process. I never felt rushed and felted he truly cared about me as his patient. Recommend him to all.
-Jessica B.
Dr. Aston really did a great job helping my wife. She had her colon removed due to complications from a prior unrelated surgery and he was able to completely fix the damage. Her quality of life has improved enormously. Dr. Aston is the best!
-Paul M.
Dr Hollister was very caring about my procedure and health. I would highly recommend him. He’s one of the most caring doctors I have ever known.
-Robert M.
Get in Touch with Us.
If this is a medical emergency, please immediately call emergency personnel (911) to get prompt medical attention. Do not rely on electronic communications for assistance in regard to your immediate, urgent medical needs. Please do not include any personal identifying information such as your birth date, or personal medical information in this message.