At Oasis Advanced Gastroenterology, we offer diagnostic and preventive colonoscopy services to help identify, monitor, and prevent conditions affecting the large intestine and rectum. Whether you’re experiencing symptoms or following up on a family history of colorectal issues, a colonoscopy is one of the most effective tools for early detection and long-term health protection.
Led by Mehrdad Asgeri, MD, our clinic delivers personalized, evidence-based care that puts your comfort, safety, and outcomes first.
A colonoscopy is a specialized procedure that allows your gastroenterologist to view the lining of your colon (large intestine) and rectum using a thin, flexible tube equipped with a tiny camera. This exam is used both diagnostically to investigate symptoms and preventively to screen for conditions, such as colorectal cancer or polyps before they become serious.
You may need a colonoscopy if:
At Oasis Advanced Gastroenterology, we tailor the timing and frequency of your colonoscopies based on your individual risk factors and medical history.
Colonoscopy plays a vital role in:
It is considered the gold standard in colorectal cancer screening.
You’ll be provided with detailed preparation instructions to clean out your colon. This typically involves a clear liquid diet and a prescribed laxative the day before the exam.
Performed under sedation, a colonoscopy usually takes about 30 to 60 minutes. The physician will carefully examine your colon and remove any abnormal growths if needed.
You’ll rest briefly in our recovery area, and someone should drive you home. Mild bloating or gas is common but temporary. Most patients return to normal activities within 24 hours.
Your health and comfort are always our priority. Led by Mehrdad Asgeri, MD, a board-certified gastroenterologist with years of specialized experience, our clinic offers colonoscopy services grounded in medical excellence and compassionate care. We use advanced, high-definition endoscopic technology to ensure clear and accurate results while maintaining a calm, respectful environment for every patient.
From routine screening colonoscopies to evaluations for unexplained digestive symptoms, our approach is centered on early detection, prevention, and personalized attention.
Most patients receive sedation during the procedure and do not feel pain. Mild discomfort such as gas or bloating afterward is normal and typically short-lived.
For most people, screening begins at age 45 and is repeated every 10 years if no issues are found. Your doctor may recommend a different interval based on your individual risk profile.
Yes. Colonoscopy is a very safe and commonly performed procedure. Complications are rare but can include bleeding or perforation, especially if polyps are removed.
Yes. If polyps or abnormal tissue are found, they can usually be removed during the colonoscopy without additional procedures.
You should avoid driving, alcohol, and heavy meals immediately after the procedure. Your care team will provide specific instructions before you go home.
Some insurance plans may require a referral, while others do not. We recommend checking with your provider or contacting Oasis Advanced Gastroenterology for guidance.
Whether you’re seeking a hepatologist in Coachella, a trusted expert in stomach pain and ulcer treatment, or guidance on fatty liver disease management, Oasis Advanced Gastroenterology is here to support your long-term digestive wellness. Book a GI specialist in Coachella today and take the first step toward a healthier you.
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Led by Dr. Mehrdad Asgeri, Oasis Advanced Gastroenterology provides expert digestive care and advanced treatments for patients across Coachella Valley.
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