Patient Finds Answers Through Timely GI Evaluation at ASC
Discover how one patient found answers for chronic digestive issues at an ambulatory surgery center (ASC).
Folsom’s Best GI Doctors
Our gastroenterologists and staff at Folsom Sierra Endoscopy Center are dedicated to providing quality, affordable care to the community in our quest to lower colon cancer rates and treat an array of digestive diseases, including Crohn’s Disease, irritable bowel syndrome (IBS) and gastroesophageal reflux disease (GERD).
We believe in compassionate medicine, where patients feel reassured and unrushed. We hold ourselves to the highest of standards, as our center is accredited by the Accreditation Association for Ambulatory Health Care (AAAHC).
Our board-certified GI doctors specialize in a myriad of GI procedures, including colonoscopy, esophageal dilation, flexible sigmoidoscopy and upper endoscopy.
If you are due for a colonoscopy or in need of a GI procedure, don’t put it off any longer. Give us a call today!
For Your Visit
Folsom Sierra Endoscopy Center is committed to ensuring that your experience with us is relaxed and worry-free, from consultation through recovery. To assist us, we ask that you read and comply with all guidelines.
We’re pleased to partner with StopColonCancerNow to help boost colon cancer screenings and prevention for residents in Sacramento County.
Patient Forms
At Folsom Sierra Endoscopy Center, your time is as valuable to us as it is to you. That’s why we provide online access to a variety of forms that patients may complete before their visit. The following documents will help us expedite the check-in process for your appointment. Please take a moment to download and print the appropriate form(s).
Insurance and Billing
Folsom Sierra Endoscopy Center accepts most major insurance. We will bill your insurance carrier for you; however, we cannot tell you what your policy will cover. Since your insurance policy and coverage are between you and your carrier, we urge you to contact them prior to your procedure. You will be responsible for any co-pays and deductibles.
Meet Our Physicians
View All Physicians
John Canio
M.D.
Clark Harrison
M.D.
Ronald K. Hsu
M.D.
Drew Ingram
M.D.
Alexander H. Low
M.D.
Anand Madan
M.D.
Rakesh Parikh
M.D.
Dhruv Patel
M.D.
Erick Pecha
M.D.
Thomas Prindiville
M.D.
Nazir A. Rahim
M.D.
Jasbir Rangi
M.D.
Kanat Ransibrahmanakul
M.D.
Randell Vallero
M.D.
185,647 Reviews
Apr 11, 2026
Apr 11, 2026
Clovis Endoscopy is definitely at the top of the list and I’d highly recommend them. From appearance and cleanliness of the facility, to the professionalism and kindness of every staff member I encountered, I couldn’t have asked for a better experience.
Apr 11, 2026
Staff was amazing, very little wait time and Dr. Spenser Hanson was very kind and listened very well.
Apr 11, 2026
The staff is professional and very nice! Dr. Mills is very experienced and explains things well. I wholeheartedly recommend this practice.
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I just want to say I was made very comfortable when I went to OceanEndosurgery Center The doctor and the staff are very kind and caring I would highly recommend them to anyone needing their services