Medical Professionals

All professionals at Memorial Southwest Family Practice maintain the highest levels of accreditation and pursue ongoing education to stay abreast of the latest trends in the medical field.

Zhengnan Yin, MD

Zhengnan Yin, MD, PhD. has been practicing family medicine for more than 25 years. He is a board-certified Primary Care Physician through the American Board of Family Medicine. Dr. Yin’s medical education covers a variety of medical specialties including a Master’s degree in Pathology and a Doctorate degree in Dermatology as well as numerous years of experience in emergency medicine. In addition to Dr. Yin’s noted accomplishments and owning a private practice, he continues to be very active in medical research on prostate cancer, lung cancer, colon cancer and cardiovascular diseases. His research work has been published in many esteemed scientific journals. Currently, Dr. Yin provides medical care to patients ranging in age from 1 to 90 plus years in age. His interests are to help his patients with their needs in acute and chronic diseases, skin disorders, preventive medicine and a variety of joint diseases. Dr. Yin is also a USCIS designated Civil Surgeon and provides quality immigration physical examinations. Dr. Yin shares that his motivation for service to others is “When I am truly able to help one of my patients, I believe that I am the one who gains the most. Giving my time and energy to those in need is what gives my life a genuine sense of fulfillment.”

Samuel Flores, Medical Assistant, MA

Lily Li, Medical Assistant, MA

June Shao, Medical Tech.

Keding Yin, Office Manager.

Office Hours


8:00 am-4:30 pm


8:00 am-4:30 pm


8:00 am-4:30 pm


8:00 am-4:30 pm


8:00 am-4:30 pm





*Office hours: 8:00 am-1:30 pm every 1st and 3rd Saturday.*