Dr. Warren Johnston, MD
Dr. Warren Johnston, MD is a cardiologist in Orange, CA. Dr. Johnston has extensive experience in Adult Congenital Heart Conditions and Heart Conditions. He is affiliated with Providence St. Joseph Hospital Orange. He is accepting new patients and telehealth appointments.
St. Joseph Heritage Orange - Cardiology
1140 W La Veta Ave Ste 430 Orange, CA 92868Compare Dr. Warren Johnston, MD with other Cardiologists near you
Experience Check
Search for experience in a specific area
Dr. Johnston's Reviews
Likelihood to recommend Dr. Johnston
3.4
| 5 Star | 54% | 54% |
| 4 Star | 8% | 8% |
| 3 Star | 0% | 0% |
| 2 Star | 0% | 0% |
| 1 Star | 38% | 38% |
Leave a review
How was your experience with Dr. Johnston?Overall Patient Satisfaction
Likelihood of recommending Dr. Johnston to family and friends is 3.3846154 out of 5
About Me
care philosophy
At St. Joseph Heritage Medical Group, we specialize in the prevention, treatment and reversal of heart disease and other cardiac conditions.Cardiology
*Healthgrades does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
University Of Rochester
Medical School
Healthgrades receives board action history for physicians and physician assistants. The information displayed here is sourced from independent information providers, such as state board websites, and may not be the most up-to-date information. Healthgrades makes no representations with respect to the accuracy of any information provided here and assumes no responsibility or liability for such information.
Learn more about medical license public record checkEnglish
Arabic
Insurance Check
Search for your insurance carrier and choose your plan type
Locations
St. Joseph Heritage Orange - Cardiology
Affiliated Hospitals
- Recipient of 3
hospital awardsView all patient feedbackHow patients felt about the care they received at this hospital.
87%Patients said they were given information about recovering at home3% higher than the national average
78%Patients said that doctors always listened to them and explained things well2% higher than the national average
Your trust is our top concern. Learn more.
We monitor all reviews to ensure they comply with our guidelines and don’t include personal information, profanity, libel, defamation, harassment, obscenity or fraud.
All reviews are confirmed and audited before publication, and community members have the ability to flag inappropriate content for further review by our team.
Doctors can not pay for good reviews, nor can they pay to have negative reviews removed.
Any reviews that are deemed fraudulent or violate our guidelines will be removed immediately.