Peter F.
10/16/2025
Dr.Z and staff are very professional and pleasant to work with. I have had both colonoscopy and endoscopy procedures well executed at the Executive Surgical Center. She has an excellent bedside...
Dr. Yi Zheng
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(70)
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2121 Ygnacio Valley Rd Ste E105
Walnut Creek, CA 94598
Dr. Yi Jenny Zheng, M.D., Ph.D. is a highly experienced gastroenterologist and hepatologist based in Walnut Creek, CA. With double board certification in Gastroenterology Hepatology and Internal Medicine, Dr. Zheng is dedicated to providing the highest quality of care for her patients. Her comprehensive range of services includes treatment for digestive issues and illnesses, non-surgical weight loss procedures, and various diagnostic screenings. Dr. Zheng's extensive training and commitment to excellence make her a trusted choice for individuals seeking expert care for their digestive health.
Dr. Zheng's offices are conveniently located in Walnut Creek, San Ramon, and Dublin, serving patients from various East Bay cities. She also offers online and phone consultations for patients from Oakland, Benicia, American Canyon, Fairfield, Napa, and other regions. Dr. Zheng's commitment to patient safety is evident through her implementation of COVID-19 precautions, ensuring a safe environment for all visitors. With affiliations to reputable hospitals and outpatient surgery centers, Dr. Zheng provides comprehensive care for her patients' gastrointestinal needs.
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Reviews
4.070 reviews
Tamara C.
6/25/2025
I appreciated the quick response and information prior to my colonoscopy. Instructions were clear and I knew what to expect. The day of the procedure went smoothly, and the doctor came to check...
Miz A.
10/31/2025
I'm disappointed that I can't give her a negative rating. I had the same experience as BDK. She is by far the worst experience I have ever had. She is part of John Muir, yet she has never to...
MJ F.
3/18/2025
I can't say whether this doctor is competent, although there were no physical problems after a regular colonoscopy. My wife, who is Chinese, had this done, and it was purely preventative, and...
Jean Z.
10/8/2025
Worst experience. spent so much time fighting payment dispute. Never go back to this doctor....
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