Please schedule an appointment with our office by using the “Book an Appointment” button on the upper right corner of our website. Our staff will make every effort possible to accommodate your schedule.

Freeport Office: (916) 457-9879
Center Parkway Office: (916) 896-1682

Prior to scheduling your first visit, please call our office to ensure that we accept your insurance (unless you plan to pay with cash). For your first visit, we ask that you come fifteen minutes earlier than scheduled to complete a brief patient history and information form. Please bring all items related to your health with you, such as medical records and reports, medications (including vitamins and herbs), and immunization records.

Here are our normal office hours:

Freeport Office
Monday – Friday 8:00AM – 12:00PM, 1:00PM – 5:00PM
Center Parkway Office
Monday – Friday 8:00AM – 12:00PM, 1:00PM – 5:00PM
Saturday 9:00 AM – 3:00 PM


If you need to cancel your appointment, please notify our office 24 hours in advance of your scheduled appointment.

If you are experiencing a life-threatening event, please call 911 or report to the nearest emergency room. Please ask emergency personnel to notify Dr. Zheng regarding your emergency room visit.

If you have any urgent medical concerns after normal business hours, please present to the nearest urgent care clinic or emergency room. You can leave a message at our office number to let us know about your situation. Dr. Zheng and his staff will get back to you as soon as possible for further assistance.