4.5
4 Ratings with 4 written Reviews

![]() | ![]() | ![]() | ![]() |
| Dr. Ellen Ann Leng, MD | Dr. Frank Byoung Lee, MD | Christopher Carleo, MD | Dr. Liong Gie Liem, MD |
| Emergency Medicine | Emergency Medicine | Emergency Medicine | Addiction Medicine |
| Accepts New Patients | Accepts New Patients | ||
| 36 Years of Experience | 23 Years of Experience | 28 Years of Experience | 59 Years of Experience |
| No Virtual Visit Option | Virtual Visit Available | Virtual Visit Available | No Virtual Visit Option |
| Speaks English, Spanish, Tagalog, Portuguese | Speaks English | ||
| Walnut Creek , CA | Allen , TX | East Setauket , NY | Oakland , CA |
| Med School: Univ Of Tx Hlth Sci Ctr At San Antonio Joe R & Teresa Lozano Long Schof Med | Med School: New York Medical College | Med School: Suny Stony Brookhealth | Med School: Universitas Airlangga Fakultas Kedokteran |
Current Profile | View Profile | View Profile | View Profile |
Dr. Ellen Ann Leng holds an active medical license in the state of California.
Medical Doctor with an active medical license in the state of California that expires in 2027.
Graduated from Univ Of Tx Hlth Sci Ctr At San Antonio Joe R & Teresa Lozano Long Schof Med in 1990.
Dr. Leng's NPI number is 1902855497.










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.