3.7
3 Ratings with 2 written Reviews

Overview based on verified provider data
![]() | ![]() | ![]() | ![]() |
| Dr. James Yan, DO | Ashley Anderson, APRN | Theresa Obonyano, APRN | Dr. Laren Becker |
| Gastroenterology | Gastroenterology | Gastroenterology | Gastroenterology |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | |
| 35 Years of Experience | 24 Years of Experience | ||
| No Virtual Visit Option | Virtual Visit Available | Virtual Visit Available | No Virtual Visit Option |
| Speaks Chinese, English | Speaks English | Speaks English | |
| San Francisco , CA | SACRAMENTO , CA | SACRAMENTO , CA | Redwood City , CA |
| Med School: Western Univ Health Sci College Of Osteopathic Medicine Of The Pacific | Med School: East Tennessee State University - Quillen College of Medicine | Med School: The University of Texas Health Science Center at Houston | Med School: Albert Einstein College Of Medicine Of Yeshiva University |
Current Profile | View Profile | View Profile | View Profile |
Dr. James Yan holds an expired medical license in the state of California.
Doctor Of Osteopathy with an expired medical license in the state of California that expired in 2026.
Completed their residency at Highland Hospital.
Graduated from Western Univ Health Sci College Of Osteopathic Medicine Of The Pacific in 1991.
Dr. Yan's NPI number is 1588683890.










Our provider data is gathered directly from physicians and publicly available databases. Providers who verify their profiles gain the ability to update information, offering additional details about their specialties,education, treated conditions, performed procedures, and accepted insurances.
Reviews on Vitals are submitted by users only. Recognizing the valuable insights these reviews offer into a doctor's reputation, we maintain internal policies and protocols to ensure the quality and accuracy of all reviews. Importantly, providers cannot delete or alter reviews independently. Reviews can only be deleted or changed following an internal assessment by our customer service team.
Your feedback is highly valued and we encourage you to contact our support team should you encounter any issues.