Patient Resources

Everything You Need Before Your Visit

Whether you’re a new or returning patient, we’re committed to making your visit as convenient and stress-free as possible. Below you’ll find patient forms, insurance information, and helpful resources to prepare for your appointment.

(909) 255-7200
Patient Intake Form

Save time by completing your paperwork before your first visit.

Please download and complete the Patient Intake Form and bring it with you to your appointment.

Download Patient Intake Form (PDF)

If you're unable to complete the form in advance, please arrive a few minutes early to complete it in the office.

Insurance Plans Accepted

Dr. Tieng welcomes new patients and participates with many major insurance plans. Don’t see your insurance? Call to verify your coverage:

(909) 255-7200
  • Aetna
  • Anthem Blue Cross
  • Blue Shield of California
  • Cigna Healthcare
  • Health Net
  • UnitedHealthcare
  • Inland Empire Health Plan (IEHP)
  • Medicare
  • Medi-Cal
  • Molina Healthcare
Before Your Appointment

To help your visit run smoothly, please bring:

  • Photo ID
  • Insurance card
  • Completed Patient Intake Form
  • Current medication list
  • Referral or medical records, if applicable
Request an Appointment

Whether you need a preventive screening, evaluation of digestive symptoms, or follow-up care, our team is here to help.

(909) 255-7200
Office Information

Andrea Tieng, MD

8283 Grove Avenue, Suite 206
Rancho Cucamonga, CA 91730

Office Hours

Monday – Friday
9:00 AM – 5:00 PM

Ready to Schedule?

Request an appointment today.

(909) 255-7200

Disclaimer: This information is for educational purposes only and is not medical advice. Always consult your physician regarding your individual health concerns.

Scroll to Top