Summary

Dr. Yi Zheng is an internal medicine physician who specializes in gastroenterology, bringing three decades of medical expertise to patient care. They earned their medical degree from Tongji Medical University and have been practicing for 31 years, developing extensive knowledge in digestive health and internal medicine. Dr. Zheng is fluent in both English and Chinese, allowing them to serve diverse patient populations with clear communication.

Dr. Zheng practices at several locations throughout Northern California, including Kaiser Permanente Walnut Creek Medical Center and Walnut Creek Medical Center in Walnut Creek, California. They focus on treating conditions such as hemorrhoids, colon polyps, and acid reflux disease. Dr. Zheng performs important diagnostic procedures including colonoscopy and upper endoscopy to help patients maintain their digestive health. Patients have given them an average rating of 4.8 out of 5, reflecting their commitment to quality care.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 4.7
  • 31 years of experience
  • speaks English, Chinese
  • TONGJI MEDICAL UNIVERSITY
  • 111 written reviews
  • 2 specialties
  • 11 areas of expertise
  • 2 board certifications
  • 4 hospital affiliations
  • 7 office locations

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Dr. Yi Zheng has 7 locations

Yi Zheng MD

2121 Ygnacio Valley Rd Ste E105Walnut Creek, CA 94598
Mon8:00 am - 8:00 pm
Tue8:00 am - 8:00 pm
Wed8:00 am - 8:00 pm
Thu8:00 am - 8:00 pm
Fri8:00 am - 8:00 pm
Sat9:00 am - 4:00 pm
Sun9:00 am - 4:00 pm

Dr. Yi Zheng

2121 Ygnacio Valley Rd Ste E105 Ste 7QWalnut Creek, CA 94598

Dr. Yi Zheng

2121 Ygnacio Valley Rd Ste E105 Rm AWalnut Creek, CA 94598

Walnut Creek Medical Center

1601 Ygnacio Valley RdWalnut Creek, CA 94598

Executive Surgery Center

1320 El Capitan Dr Ste 100Danville, CA 94526
Mon9:00 am - 5:00 pm
Tue9:00 am - 5:00 pm
Wed9:00 am - 5:00 pm
Thu9:00 am - 5:00 pm
Fri9:00 am - 5:00 pm
SatClosed
SunClosed

Premier Surgery Center

2222 East St Ste 200Concord, CA 94520
Mon6:00 am - 5:00 pm
Tue6:00 am - 5:00 pm
Wed6:00 am - 5:00 pm
Thu6:00 am - 5:00 pm
Fri6:00 am - 5:00 pm
SatClosed
SunClosed

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Dr. Yi Zheng, MDDr. Tooba Rehman, MDEric HarkerDr. Nima Ghadimi, MD
Internal MedicineInternal MedicineInternal MedicineInternal Medicine
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.7 
3.8 
31 Years of Experience 16 Years of Experience 25 Years of Experience 29 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English, Chinese Speaks English Speaks English, Spanish
Walnut Creek , CAKaty , TXLyons , COScottsdale , AZ
Med School: TONGJI MEDICAL UNIVERSITY Med School: CHICAGO MEDICAL SCHOOL AT ROSALIND FRANKLIN UNIVERSITY OF MEDICINE & SCIENCE Med School: Duke University School Of Medicine Med School: Univ Iberoamericana Unibe Santo Domingo
Current Profile
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Insurance Plans Accepted by Dr. Yi Zheng

Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.

Medical Specialties

Dr. Yi Zheng has the following 2 specialties

Specialty Expertise

Dr. Yi Zheng has the following 11 areas of expertise

  • Abdominal Pain
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Acid Reflux Disease (GERD)
  • Celiac Disease
  • Colonoscopy
  • Constipation
  • Gastroenterology
  • Hemorrhoids
  • Hepatitis C
  • Irritable Bowel Syndrome (IBS)
  • Ulcerative Colitis

Certifications, License, & Education

31 Years Experience

Dr. Yi Zheng holds an expired medical license in the state of California.

Medical License

Medical Doctor with an expired medical license in the state of California that expired in 2026.

Education & Training

Medical School

Graduated from TONGJI MEDICAL UNIVERSITY in 1998 and Tongji Medical University in 1995.

NPI Number

Dr. Zheng's NPI number is 1851622427.

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Frequently Asked Questions

Which hospitals is Dr. Yi Zheng affiliated with?
Dr. Yi Zheng is affiliated with Kaiser Permanente Vacaville Medical Center, Walnut Creek Medical Center, Kaiser Permanente Walnut Creek Medical Center, and Mercy Hospital Of Folsom.
Where is Dr. Yi Zheng's office located?
Dr. Yi Zheng's office is located at 2121 Ygnacio Valley Rd Ste E105, Walnut Creek, CA, 94598.
Does Dr. Yi Zheng accept my insurance?
You can see the insurance plans that Dr. Yi Zheng accepts on their Vitals profile.
What languages does Dr. Yi Zheng speak?
Dr. Yi Zheng speaks English and Chinese.
Is Dr. Yi Zheng accepting new patients?
Dr. Yi Zheng is accepting new patients on Vitals. View Dr. Yi Zheng's profile on Vitals to make an appointment.

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