Testimonials & Reviews
COR Healthcare Medical Associates
Cardiology, Interventional Cardiology & Electrophysiology located in Torrance, CA, Manhattan Beach, CA, San Pedro, CA, Redondo Beach, CA & El Segundo, CA
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.
Submitted 07/28/25
Doctor answered all of our questions
Maureen T.
Submitted 07/27/25
I always have a pleasant experience visiting Dr. Kosar
Audrey K.
Submitted 07/25/25
Wonderful, caring Dr. who answers your questions and concerns.
Thomas T.
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.
Submitted 07/22/25
Excellent care and outstanding doctor .
Lilia G.
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.
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.
Submitted 07/20/25
Always very caring. Couldn't ask for more. Thank You
Mumtaz Y.
Submitted 07/19/25
Great and enjoyed the input
Mary R.
Submitted 07/19/25
Dr. Jackson and his staff are always the best, courteous, on time and efficient,
Guy G.
Submitted 07/17/25
Dr. Ostrom is an incredible doctor and wonderful person. So blessed to be under his care.
Mark N.
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.
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.
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.
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.
Submitted 07/05/25
Dr Jackson is just great in all ways.
David K.
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.
Submitted 06/30/25
Dr. Azam thoroughly answered my questions.
Neil F.
Submitted 06/27/25
Very satisfactory visit with the doctor after not having seen him for quite some time.
Michael R.
Submitted 06/27/25
Dr Castleman saved my life! So yeah I’d say he deserves 5 stars. Great guy and amazing Doc