Dr. John Zamarra, MD
Dr. John Zamarra, MD is a cardiologist in Fullerton, CA and has over 50 years of experience in the medical field. Dr. Zamarra has extensive experience in Adult Congenital Heart Conditions. He graduated from State University of New York at Buffalo in 1972. He is affiliated with medical facilities Adventist Health Sonora and Bear Valley Community Hospital. He is accepting new patients.
Natural Medicine and Preventative Health and Heart
1001 E Chapman Ave Ste B Fullerton, CA 92831Compare with other Cardiologists
Compare Dr. Zamarra with our nearby Cardiologists at Mayo.
Dr. Zamarra is a Healthgrades Choice provider in Cardiology
The Healthgrades Choice designation helps you understand the most important factors to consider when choosing a healthcare professional. This designation is earned based on four set standards.
Read our methodology
- Above average experience
- Good hospital quality
- Good patient ratings
- No healthcare sanctions
Experience Check
Search for experience in a specific area
Dr. Zamarra's Reviews
Likelihood to recommend Dr. Zamarra
4.2
| 5 Star | 71% | 71% |
| 4 Star | 12% | 12% |
| 3 Star | 0% | 0% |
| 2 Star | 0% | 0% |
| 1 Star | 18% | 18% |
Leave a review
How was your experience with Dr. Zamarra?Overall Patient Satisfaction
Likelihood of recommending Dr. Zamarra to family and friends is 4.1764708 out of 5
About Me
biography
Dr. John Zamarra, MD is a cardiologist in Fullerton, CA and has over 50 years of experience in the medical field. Dr. Zamarra has extensive experience in Adult Congenital Heart Conditions. He graduated from State University of New York at Buffalo...read moreCardiology
*Healthgrades does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
State University Of New York At Buffalo
Medical School, 1972
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
Spanish
Insurance Check
Search for your insurance carrier and choose your plan type
Locations
Natural Medicine and Preventative Health and Heart
Affiliated Hospitals
- Recipient of 1
hospital awardView all awardsPatient Safety Excellence Award™ (2024)
Top in the nation for providing excellence in patient safety by preventing infections, medical errors, and other preventable complications
View all patient feedbackHow patients felt about the care they received at this hospital.
86%Patients said they were given information about recovering at home2% higher than the national average
75%Patients said that nurses always listened to them and explained things well
Compare with other Cardiologists
Compare Dr. Zamarra with our nearby Cardiologists at Mayo.
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.