Locations
Convenient Care Across the Inland Empire
Not sure where to go for your appointment or procedure? Dr. Andrea Tieng sees patients at her Rancho Cucamonga office and performs procedures at select outpatient surgery centers throughout the Inland Empire.
Patients should go only to the office or facility listed in their appointment instructions. Please call our office if you are uncertain about your location, arrival time, or check-in requirements.
Future Office Appointments
Andrea Tieng, MD
8283 Grove Avenue, Suite 206
Rancho Cucamonga, CA 91730
Office Hours:
Monday–Friday, 9:00 AM–5:00 PM
Office visits at this location include:
- New patient consultations
- Follow-up appointments
- Digestive health evaluations
- Treatment planning and ongoing care
Parking and Office Entrance
The office is located on the second floor of the larger building at the south end of the parking lot. Grove Pharmacy and Grove Diagnostic Imaging are located in the same building.
Parking is available on both sides of the building, and patients may enter from either end. An elevator is available for access to the second floor.
Outpatient Procedure Centers
Most procedures are performed at fully accredited outpatient surgery centers. Dr. Tieng works with anesthesia professionals and experienced nurses to provide safe and comfortable care, allowing patients to return home the same day.
Patients should go only to the facility listed in their appointment instructions.
San Antonio Ambulatory Surgery Center
901 San Bernardino Road, Suite 201
Upland, CA 91786
Hospital Affiliations
When hospital-based care is appropriate, Dr. Tieng maintains privileges at several regional hospitals to provide continuity of care.
Community Hospital of San Bernardino
1805 Medical Center Drive
San Bernardino, CA 92411
Frequently Asked Questions
Your first consultation and follow-up visits are typically held at our Rancho Cucamonga office.
Most procedures are performed at accredited outpatient surgery centers in Upland, Redlands, or Chino Hills. Our office will schedule your procedure at the location that best meets your medical needs.
Yes. Our staff will provide complete instructions, including the facility address, arrival time, parking information, and preparation instructions before your appointment.
If you have questions about where your appointment or procedure will take place, our staff is happy to assist you.
Not sure where to go?
Call our office to confirm your location, arrival time, and check-in instructions.
Disclaimer: This information is for educational purposes only and is not medical advice. Always consult your physician regarding your individual health concerns.