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Your Health Starts in Your GUT

About Dr. Zheng

Dr. Zheng (Yi Jenny Zheng, M.D., Ph.D.) specializes in gastroenterology and hepatology.  Dr. Zheng is absolutely committed to delivering the highest quality of care to ensure the health of her patients.  Dr. Zheng's office offers a comprehensive range of services, including treatment for digestive issues and illnesses related to the esophagus, stomach, liver, pancreas, small bowel and colon.

As a diplomate of the American Board of Internal Medicine as well as the American Board of Gastroenterology, Dr. Zheng is double board certified in Gastroenterology & Hepatology, as well as Internal Medicine. Dr. Zheng has undergone extensive training at the University of Southern California, UCLA and UCSD, and she shows an exceptional commitment to excellence in treating diseases and disorders affecting the digestive tract.

The procedures performed by Dr. Zheng include:

• Colon Cancer Screening

• Colonoscopy and Sigmoidoscopy

• Non surgical polyp resection

• Non surgical flat lesion resection

• Non surgical Hemorrhoid Bandaging

• Upper Endoscopy or EGD

• Barrett's esophagus screening
• Non surgical Esophageal Dilatation

• Capsule Endoscopy

• Non invasive Liver FibroScan

​If you are experiencing symptoms such as acid reflux, difficulty swallowing, abdominal bloating or pain, nausea, vomiting, ulcer, diarrhea, constipation, bleeding, hemorrhoids, abnormal liver function, fatty liver, cirrhosis or other problems affecting your digestive system, please contact Dr. Zheng's office today by calling 925-384-9276 for more information or to book your appointment.


Currently Dr. Zheng works at her main offices in Walnut Creek, as well as Satellite offices in Concord, San Ramon, Dublin, and Livermore, convenient for gastroenterological patients from East Bay cities like Lafayette, Moraga, Orinda, Concord, Pleasant Hill, Martinez, Benicia, Alamo, Danville, Blackhawk, San Ramon, Dublin, and Pleasanton. 

Satellite Antioch office is convenient for patients from Brentwood, Oakley, Clayton, Pittsburg neighborhood.


Dr. Zheng also offers to see patients online - especially for her patients from regions like 

Oakland, Benicia, American Caynon, Fairfield, Napa, etc, online or phone visits can be a more convenient alternative to in-person visits. 


Dr. Zheng is in the process of setting up offices in other neighborhoods.

Dr. Zheng does procedures @ surgical centers in Concord, Walnut Creek and Danville.

walnut creek liver health


Dr. Zheng explains medical procedures to ensure your good health.


Dr. Zheng has 20+ years experience in various GI diseases

Liver Health

Help you understand the most common liver disease and silent killer

Cancer Prevention

A superior doctor prevents sickness... Dr. Zheng's recipe for long healthy life

Questions? Please Contact Dr. Zheng for a Consultation

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