Dr. William Matzner, MD
Dr. William Matzner, MD is an internist in Simi Valley, CA and has over 40 years of experience in the medical field. He graduated from Baylor College of Medicine in 1984. He is affiliated with medical facilities Los Robles Regional Medical Center and Adventist Health Simi Valley. He is accepting new patients.
Practice
143 Parrot Ln Simi Valley, CA 93065Compare Dr. William Matzner, MD with other Internists near you
Experience Check
Search for experience in a specific area
Dr. Matzner's Reviews
Likelihood to recommend Dr. Matzner
4.0
| 5 Star | 70% | 70% |
| 4 Star | 5% | 5% |
| 3 Star | 0% | 0% |
| 2 Star | 5% | 5% |
| 1 Star | 20% | 20% |
Leave a review
How was your experience with Dr. Matzner?Overall Patient Satisfaction
Likelihood of recommending Dr. Matzner to family and friends is 4 out of 5
About Me
care philosophy
I believe in preventative care when possible so as to keep patients healthy, instead of waiting until they are very sick. We consider our patients a part of our family.Internal Medicine
Hospice & Palliative Medicine
*Healthgrades does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
Claremont Graduate University
2004Pepperdine University
2000Cedars Sinai Medical Center
Internship Hospital, 1986Baylor College Of Medicine
Medical School, 1984Baylor University
Medical School, 1984Stanford University
Undergraduate School, 1980
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
Tagalog
Focus on Brain Health
Insurance Check
Search for your insurance carrier and choose your plan type
Locations
Practice
Affiliated Hospitals
- Recipient of 46
hospital awardsAmerica’s 50 Best Hospitals for Surgical Excellence Award™ (2025, 2024, 2023)
Top 5% in the nation for consistently delivering clinical quality
View all awardsAmerica's 250 Best Hospitals Award™ (2025, 2024, 2023)
Top 5% in the nation for consistently delivering clinical quality
View all patient feedbackHow patients felt about the care they received at this hospital.
82%Patients said they were given information about recovering at home2% lower than the national average
75%Patients said that nurses always listened to them and explained things well - Recipient of 6
hospital awardsView all awardsPatient Safety Excellence Award™ (2025, 2024, 2023)
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.
85%Patients said they were given information about recovering at home1% higher than the national average
74%Patients said that nurses always listened to them and explained things well1% lower 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.