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Cardiologists with Great Reviews in Ontario, CA

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Verified Cardiologists in Ontario, CA

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60 providers

Availability last updated 08/30/2026

Dr. Wilson Kwan, MD
4.83
(130)
Dr. Wilson Kwan, MD Cardiovascular Disease Physician
45.4 mi
4.83 (130)
1360 W. 6th St.
Ste. 315 North Building
San Pedro, CA 90732
About Dr. Wilson Kwan, MD

Wilson Kwan, MD, MS, is a board-certified internist and cardiologist at COR Healthcare Medical Associates. He specializes in general cardiology and advanced imaging. 

Dr. Kwan earned his medical doctorate at the Keck School of Medicine of USC. He completed his internal medicine residency and cardiovascular disease fellowship at LAC+USC Medical Center / Keck Hospital of USC. 

He has been certified by the American Board of Internal Medicine and Cardiovascular Disease, in addition to subspecialty boards of Echocardiography, Cardiovascular CT, Nuclear Cardiology, and Vascular Interpretation. Dr. Kwan has authored multiple peer-reviewed publications in medical and basic science journals as well as contributed to several book chapters. 

Dr. Kwan is fluent in English and Mandarin and proficient in conversational Spanish. 

A SoCal native, Dr. Kwan enjoys fishing, tennis, and gardening. He is also an avid traveler and aspiring home chef.

Practice
COR Healthcare Medical Associates
Latest Review
“Dr. Kwan answered all my questions, made excellent suggestions and was generous with his time.”
Dr. Wilson Kwan, MD

Dr. Wilson Kwan, MD

Internist

1360 W. 6th St.
Ste. 315 North Building
San Pedro, CA 90732

4.83 (130)
Dr. Ramakrishna Reddy, MD
4.88
(297)
Dr. Ramakrishna Reddy, MD Cardiovascular Disease Physician
45.4 mi
4.88 (297)
1360 W. 6th St.
Ste. 315 North Building
San Pedro, CA 90732
+2 more locations
About Dr. Ramakrishna Reddy, MD

Ram Reddy, MD, is board-certified in cardiology, nuclear cardiology, and internal medicine. With more than 38 years of experience, Dr. Reddy serves the Los Angeles communities of at COR Healthcare Medical Associates in Torrance and San Pedro, California,

Dr. Reddy graduated from Rangaraya Medical College, Dr. NTR University of Health Sciences, in Kakinada, India, in 1982. He completed an internship at Rajiv Gandhi Government General Hospital in Chennai, India, before relocating to the United States. Dr. Reddy moved to Detroit, Michigan, and completed his internal medicine residency at Wayne State University.

Passionate about his work, Dr. Reddy pursued additional education by completing cardiology and nuclear cardiology fellowships at the Medical College of Virginia in Richmond. He has treated a variety of cardiac cases ever since, including cardiac rehabilitation, heart attack, carotid ultrasound, hypertension, heart disease, and more.

When he is not working with patients at COR Healthcare Medical Associates, Dr. Reddy enjoys art, gardening, gourmet cooking, playing tennis, and spending time with his family.

Practice
COR Healthcare Medical Associates
Latest Review
“Dr Ram Reddy is a great cardiologist who is very caring. He explains everything and follows up to make sure you are ok. I would recommend him with the highest rating.”
Dr. Ramakrishna Reddy, MD

Dr. Ramakrishna Reddy, MD

Internist

1360 W. 6th St.
Ste. 315 North Building
San Pedro, CA 90732

4.88 (297)
Dr. Brenton Bauer, MD
4.83
(130)
Dr. Brenton Bauer, MD Cardiovascular Disease Physician
45.9 mi
4.83 (130)
2110 E. El Segundo Blvd.
Suite 190
El Segundo, CA 90245
About Dr. Brenton Bauer, MD

Brenton Bauer, MD, is a board-certified internist and cardiologist at COR Healthcare in Los Angeles. He sees patients at the Torrance, Redondo Beach and El Segundo offices in addition to the cardiology department at Torrance Memorial Medical Center.  He specializes in general cardiology, cardio-oncology, and advanced cardiac imaging.

Dr. Bauer completed his medical education and advanced training at the University of California, Los Angeles (UCLA). In addition to earning his Doctor of Medicine with honors, Dr. Bauer completed an internal medicine internship and residency, serving as chief resident, and a cardiovascular disease fellowship serving as chief fellow. He has been certified by the American Board of Internal Medicine in addition to subspecialty boards of Echocardiography, Cardiovascular CT, and Nuclear Cardiology. Dr. Bauer has written extensively for medical journals and other publications.

An award-winning physician, Dr. Bauer has been named to the American College of Cardiology’s (ACC) national conference program faculty, as an ACC National FIT (Fellows in Training) Jeopardy Competition finalist, as a finalist for the UCLA Most Outstanding Fellow Teaching Award, and won the best poster presentation in congenital heart disease at the American College of Cardiology’s 2015 conference, among others.

In his leisure time, Dr. Bauer loves traveling the world with his wife and junior high sweetheart.  They particularly enjoy experiencing different cultures, trying amazing food, and learning different languages (to which he is fluent in English and Spanish and working on others including Italian). 

Practice
COR Healthcare Medical Associates
Latest Review
“Dr. Kwan answered all my questions, made excellent suggestions and was generous with his time.”
Dr. Brenton Bauer, MD

Dr. Brenton Bauer, MD

Internist

2110 E. El Segundo Blvd.
Suite 190
El Segundo, CA 90245

4.83 (130)
Healthcare specialist
Nicholas Dzebolo, MD Cardiologist
47.1 mi
12512 Victory Blvd
Ste A
North Hollywood, CA 91606

Nicholas Dzebolo, MD

Cardiologist

12512 Victory Blvd
Ste A
North Hollywood, CA 91606

Healthcare specialist
Vahan Koshkaryan, MD Cardiologist
49.2 mi
4955 Van Nuys Blvd
Suite 308
Sherman Oaks, CA 91403

Vahan Koshkaryan, MD

Cardiologist

4955 Van Nuys Blvd
Suite 308
Sherman Oaks, CA 91403

Healthcare specialist
Dr. Jenica Thangathurai Internist
50.0 mi
2901 Wilshire Blvd
Suite 300
Santa Monica, CA 90403
About Dr. Jenica Thangathurai

At Commons Clinic, Dr. Ortega offers personalized cardiology care to adults in Santa Monica, California. Our mission is to prevent, diagnose, and manage heart disease through tailored treatment plans that prioritize your health and well-being.

Led by Dr. Ortega, a board-certified cardiologist specializing in preventive cardiology, our practice combines advanced technology with a patient-centered approach to deliver exceptional care.

Dr. Ortega earned a Bachelor of Science in Neurobiology, Physiology, and Behavior, with a minor in Spanish, from the University of California, Davis. She went on to pursue her Doctor of Medicine at the Keck School of Medicine of USC in Los Angeles, California, and completed her internship and residency. She served as chief resident at USC during her internal medicine residency and as chief cardiology fellow at Harbor-UCLA. 

She is board-certified in internal medicine and cardiovascular disease, with additional certifications in adult echocardiography and cardiovascular computed tomography. Dr. Ortega is an active member of the Alpha Omega Alpha Honor Medical Society and a recipient of multiple honors, including Physician of the Year at Harbor-UCLA and the Excellence in Primary Care Award from LAC+USC.

The practice of Jenica L. Ortega, MD, offers a full range of diagnostic and preventive services, including ECG/EKG, echocardiography, Holter monitoring, cardiac stress testing, and nuclear stress testing, as well as advanced imaging with CT angiography and calcium scoring. Our specialized programs in atrial fibrillation management, hypertension, lipid disorders, and heart attack prevention help you work proactively toward lasting heart health.

Recognizing the underserved cardiovascular needs of women, we also provide dedicated women’s heart health targeting changes throughout a woman's life, with targeted cardiovascular care around pregnancy, post-partum, the menopause transition, and beyond. Additionally, our preoperative risk assessments and comprehensive wellness evaluations ensure you receive tailored guidance for your anticipated outcomes.

To schedule your next appointment with Dr. Ortega, please use our online scheduler or contact our friendly staff today.

Practice
Jenica L. Ortega, MD

Dr. Jenica Thangathurai

Internist

2901 Wilshire Blvd
Suite 300
Santa Monica, CA 90403