3.9
12 Ratings with 1 written Review

Overview based on verified provider data
![]() | ![]() | ![]() | ![]() |
| Dr. Xin-Nong Li, MD | Dr. Suma Oommen, MD | Dr. George Mousa, MD | Karthikeyan Viswanathan, DO |
| Internal Medicine | Internal Medicine | Internal Medicine | Internal Medicine |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | Accepts New Patients |
| 44 Years of Experience | 33 Years of Experience | 17 Years of Experience | 12 Years of Experience |
| No Virtual Visit Option | Virtual Visit Available | Virtual Visit Available | Virtual Visit Available |
| Speaks Chinese, English | Speaks English, Spanish, Hindi, Marathi, Malayalam, Tamil | Speaks English, Tamil | |
| Fair Oaks , CA | Lake Forest , CA | Upland , CA | Palo Alto , CA |
| Med School: Zhongshan School Of Medicine Sun Yat-Sen University | Med School: Christian Medical College | Med School: University Of Aleppo Faculty Of Medicine | Med School: Bassett Medical Center - Cooperstown, New York |
Current Profile | View Profile | View Profile | View Profile |
Dr. Xin-Nong Li 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.
Completed their residency at University Health Center Of Pittsburgh.
Graduated from Zhongshan School Of Medicine Sun Yat-Sen University in 1982.
Dr. Li's NPI number is 1205804036.










This provider profile is built using data from:
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.