3
12 Ratings with 7 written Reviews

![]() | ![]() | ![]() | ![]() |
| Dr. Warren Ritchie Christianson II, DO | Andres Barrera, MD | Barbara Kenerson PMHNP-BC | Dr. Vassilis N Panagopoulos, MD |
| Psychiatry | Psychiatry | Psychiatry | Psychiatry |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | Accepts New Patients |
| 22 Years of Experience | 35 Years of Experience | 20 Years of Experience | |
| No Virtual Visit Option | Virtual Visit Available | Virtual Visit Available | Virtual Visit Available |
| Speaks English, Spanish | Speaks English, Spanish | Speaks English | Speaks English, Spanish, Greek |
| San Marino , CA | West Covina , CA | Seattle , WA | Pacific Palisades , CA |
| Med School: Touro University California College Of Osteopathic Medicine | Med School: Universidad Javeriana | Med School: University Of Patras School Of Health Sciences | |
Current Profile | View Profile | View Profile | View Profile |
Dr. Warren Ritchie Christianson holds an active medical license in the state of California.
Doctor Of Osteopathy with an active medical license in the state of California that expires in 2027.
Graduated from Touro University California College Of Osteopathic Medicine in 2004.
Dr. Christianson's NPI number is 1932359445.










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.