APPOINTMENTS
(909) 255-7200
FOR EMERGENCIES, DIAL 911
Why Choose A “GI”?
Gastroenterologists, or “GIs,” are medical specialists with extensive training in diseases of the digestive tract.
GIs can answer your questions, perform exams such as colonoscopy and upper endoscopy in making a diagnosis, and prescribe the best course of treatment to help you feel better.
PAYMENT
✓ Most Insurances ✓ Most HMOs ✓ Medi-Cal ✓ Cash Patients
Procedures
Colonoscopy
A tiny camera examines your large intestine.
Upper Endoscopy
A tiny camera examines your upper upper digestive system.
Esophageal Dilation
A procedure stretches the narrow area of your esophagus.
Flexible Sigmoidoscopy
A tiny camera examines your lower large intestine.
Office Appointments
Dr. Tieng performs her initial consultations, physical exams, and follow-up appointments at her office in Rancho Cucamonga.
Dr. Tieng and her medical assistants Pam and Linda look forward to providing you with a safe, comfortable, and confidential experience.
Andrea Tieng, MD Rancho Cucamonga, CA 91730 (909) 255-7200
Inpatient & Outpatient Facilities
Dr. Tieng performs procedures at San Antonio Ambulatory Surgical Center in Upland and at the Mountain View Surgical Center in Redlands, California.
She also maintains outpatient and inpatient privileges at major hospitals in the San Bernardino area. Her office will work with you to find the best facility for your needs.
San Antonio Ambulatory Surgery Center 901 San Bernardino Rd, #202 Upland, CA 91786
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Mountain View Surgery Center 10408 Industrial Circle Redlands, CA 92374
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FULL HOSPITAL LIST →
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FIND OUT HOW A COLONOSCOPY CAN SAVE YOUR LIFE.