0 reviews
Summary
Dr. Joseph Mares is a cardiovascular disease specialist who also practices pediatrics, bringing 19 years of experience to his care of patients with heart conditions. He earned his medical degree from Columbia University College of Physicians and Surgeons, one of the nation's leading medical institutions.
Dr. Mares is affiliated with Children's Hospital Los Angeles and practices at Kaiser Permanente locations in Downey, California. His expertise includes treating congenital heart disease, which affects children born with structural heart problems. He also manages cardiac arrhythmias and helps patients with chest wall pain. Dr. Mares performs diagnostic procedures such as electrocardiograms to monitor heart rhythm, transthoracic echocardiograms to examine heart structure and function, and ambulatory EKG monitoring for continuous heart rhythm assessment.
Dr. Mares is affiliated with Children's Hospital Los Angeles and practices at Kaiser Permanente locations in Downey, California. His expertise includes treating congenital heart disease, which affects children born with structural heart problems. He also manages cardiac arrhythmias and helps patients with chest wall pain. Dr. Mares performs diagnostic procedures such as electrocardiograms to monitor heart rhythm, transthoracic echocardiograms to examine heart structure and function, and ambulatory EKG monitoring for continuous heart rhythm assessment.
Overview based on verified provider data
Quick Facts
- accepting new patients
- 19 years of experience
- 32 insurance plans accepted
- COLUMBIA UNIVERSITY COLLEGE OF PHYSICIANS AND SURGEONS
- 2 specialties
- 6 areas of expertise
- 2 board certifications
- 1 hospital affiliation
- 2 office locations
- Male
Office Locations
Dr. Joseph Charles Mares has 2 locationsKaiser Permanente Orchard Medical Offices
9449 Imperial HwyDowney, CA 90242 Tel: (800) 823-4040
Mon8:30 am - 5:00 pm
Tue8:30 am - 5:00 pm
Wed8:30 am - 5:00 pm
Thu8:30 am - 5:00 pm
Fri8:30 am - 5:00 pm
SatClosed
SunClosed
Compare with Similar Doctors
![]() | ![]() | ![]() | ![]() |
| Dr. Joseph Charles Mares, MD | Dr. Ted Yang, MD | Dr. Raghav Sharma, MD | Dr. Desmond Kwong Lew, MD |
| Cardiovascular Disease | Cardiovascular Disease | Cardiovascular Disease | Pediatrics |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | |
| 19 Years of Experience | 30 Years of Experience | 16 Years of Experience | 37 Years of Experience |
| No Virtual Visit Option | No Virtual Visit Option | Virtual Visit Available | No Virtual Visit Option |
| Speaks English, Taiwanese, Mandarin | Speaks English, Hindi | Speaks English, Spanish | |
| Downey , CA | Torrance , CA | Winter Park , FL | Boca Raton , FL |
| Med School: COLUMBIA UNIVERSITY COLLEGE OF PHYSICIANS AND SURGEONS | Med School: New York Medical College | Med School: New York Medical College | Med School: Hahnemann University School Of Medicine |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Joseph Charles Mares
Medical Specialties
Dr. Joseph Charles Mares has the following 2 specialties
Specialty Expertise
Dr. Joseph Charles Mares has the following 6 areas of expertise
Certifications, License, & Education
19 Years Experience
MEDICAL LICENSE
Medical Doctor, California, 2026, Active
EDUCATION & TRAINING
Medical School
COLUMBIA UNIVERSITY COLLEGE OF PHYSICIANS AND SURGEONSGraduated in 2008
Columbia University College Of Physicians & SurgeonsGraduated in 2007
Similar doctors
Frequently Asked Questions
- Which hospitals is Dr. Joseph Mares affiliated with?
- Dr. Joseph Mares is affiliated with Childrens Hospital Los Angeles.
- Does Dr. Joseph Mares accept virtual/telehealth appointments?
- Dr. Joseph Mares has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
- Where is Dr. Joseph Mares's office located?
- Dr. Joseph Mares's office is located at 9449 Imperial Hwy, Downey, CA, 90242.
- How can I make an appointment with Dr. Joseph Mares?
- You can find contact information for Dr. Joseph Mares here on Vitals.
- Is Dr. Joseph Mares accepting new patients?
- Dr. Joseph Mares is accepting new patients on Vitals. View Dr. Joseph Mares's profile on Vitals to make an appointment.
Ensuring Data Transparency and Trust: A Guide to Vitals Doctor Listings and Reviews
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.








