Dr. John Cogan was performing ICD surgery (inserting an implantable cardioverter defibrillator) into my husband, when, while inserting a catheter line, he punctured my husband's subclavian artery,...
Cogan John J, MD FACP FACC FSCAI
(6)
Meet Dr. Cogan John J a highly esteemed medical professional based in Honolulu Hawaii. Holding the prestigious title of M.D. (Doctor of Medicine) in general allopathic medicine Dr. Cogan specializes in providing comprehensive medical care to patients of all ages. As a distinguished F.A.C.C. (Fellow of the American College of Cardiology) in cardiology Dr. Cogan's expertise lies in diagnosing and treating heart-related conditions with precision and care.
With a further accolade as an F.A.C.P. (Fellow of the American College of Physicians) in internal medicine Dr. Cogan is dedicated to delivering top-notch healthcare services to adults in need of general medical attention. Patients seeking a knowledgeable and compassionate physician in Honolulu can rely on Dr. Cogan John J's wealth of experience and commitment to promoting overall wellness.
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Reviews

Always a long wait to be seen for less than 5min. Didnt get full info on my diagnosis. Didnt feel like my concerns were anything. Switched doctors after a few visits.

Saw him after I was diagnosed with CHF. Having tests done at his facility is like a fire drill and extremely impersonable. His comment about Congestive Heart Failure was: It's just that silly...
The most uncaring,unhelpful,self centered doctor I have ever had the unfortunate experience to see as a patient.More interested in his jokes than his patients.Never discussed anything with me....

No people skills what so ever!!!!!!! Seems he is just in for the money!!! It doesn't matter if he makes a mistake when you are under the knife. Don't expect any apologies or explanations or...