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Testimonials & Reviews

4.9/5

COR Healthcare Medical Associates

Cardiology, Interventional Cardiology & Electrophysiology located in Torrance, CA, Manhattan Beach, CA, San Pedro, CA, Redondo Beach, CA & El Segundo, CA

4.9/5 Star Rating
2709 total reviews

COR Healthcare Medical Associates always appreciates feedback from our valued patients. To date, we’re thrilled to have collected 2709 reviews with an average rating of 4.9 out of 5 stars. Please read what others are saying about COR Healthcare Medical Associates below, and as always, we would love to collect your feedback.

Duong N.
5/5 Star Rating
Submitted 07/28/25
Doctor answered all of our questions
Maureen T.
5/5 Star Rating
Submitted 07/27/25
I always have a pleasant experience visiting Dr. Kosar
Audrey K.
5/5 Star Rating
Submitted 07/25/25
Wonderful, caring Dr. who answers your questions and concerns.
Thomas T.
5/5 Star Rating
Submitted 07/24/25
Excellent service by Dr. Kosar today the doctor came in the room right when my appointment time was and I love that he took time he listened to me and he explained everything in simple terms that I could understand so thank you Dr. Kosar
Ronald H.
5/5 Star Rating
Submitted 07/22/25
Excellent care and outstanding doctor .
Lilia G.
5/5 Star Rating
Submitted 07/21/25
Dr Eric Castleman does a very excellent service. He is one of the best cardiologist whom I know. Thank you so much. Honey lore in the front desk does a very excellent service as well. She is very sweet very helpful and very accommodating. Thank you so much for everything
Mary S.
5/5 Star Rating
Submitted 07/20/25
Dr.Roopa Reddy always listens to patients needs and does her best to help her patients. A good doctor and always friendly & caring.
Ever P.
5/5 Star Rating
Submitted 07/20/25
Always very caring. Couldn't ask for more. Thank You
Mumtaz Y.
5/5 Star Rating
Submitted 07/19/25
Great and enjoyed the input
Mary R.
5/5 Star Rating
Submitted 07/19/25
Dr. Jackson and his staff are always the best, courteous, on time and efficient,
Guy G.
5/5 Star Rating
Submitted 07/17/25
Dr. Ostrom is an incredible doctor and wonderful person. So blessed to be under his care.
Mark N.
5/5 Star Rating
Submitted 07/16/25
Dr Castleman quickly, but gently gathers the information needed for your care. He was my very first interaction with a cardiologist and he took away all the stress or what was a pretty complex situation. I recommend him!
Robert S.
5/5 Star Rating
Submitted 07/16/25
Dr. Ostrom is the best. He did my ablation my afib has been under control since. Appointments on time and very professional.
George B.
5/5 Star Rating
Submitted 07/09/25
Dr Matchison was very professional and made me feel comfortable. He clearly discussed my medical issues and provided me with action plans .
Pamela A.
5/5 Star Rating
Submitted 07/09/25
From beginning to end my visit was a very positive one! Thank you Dr. Matchison and your entire team.
Carolyn G.
5/5 Star Rating
Submitted 07/05/25
Dr Jackson is just great in all ways.
David K.
5/5 Star Rating
Submitted 06/30/25
Doctor Kwan was very patient and understanding of my needs. He was very knowledgeable in medication and in treating me. I would highly recommend Doctor Kwan as your cardiologist.
Daniel F.
5/5 Star Rating
Submitted 06/30/25
Dr. Azam thoroughly answered my questions.
Neil F.
5/5 Star Rating
Submitted 06/27/25
Very satisfactory visit with the doctor after not having seen him for quite some time.
Michael R.
5/5 Star Rating
Submitted 06/27/25
Dr Castleman saved my life! So yeah I’d say he deserves 5 stars. Great guy and amazing Doc