amazing human being, dedicated to patients , smart and caring

Submitted Sept. 12, 2019

This man is a rude doctor, with political stereotypes. I don’t understand how such people are allowed to treat human beings this badly and get paid for it.

Submitted Sept. 5, 2019

After returning from an African vacation, Dr. Keystone discovered my father's undiagnosed heart issue, which undoubtedly prolonged his life by over 30 years. I will never forget him for that.

Submitted April 2, 2019

Dr. Keystone is a wonderful doctor. He's a funny guy, but dry humour seems to offend many.

For months I went from doctor to doctor and they told me my illness was all in my head, and I went to him and he tested me for a parasite.

Finally after months of struggling he found the answer and I am on the recovery to good health.

It does take some time at his office, but I imagine that in part has to do with such a busy schedule.

Thank you Dr. Keystone.

Submitted Feb. 22, 2019

I had a rare disease I had contracted while travelling in Ecuador. It went misdiagnosed for a very long time, and I was bounced between doctors, all prescribing different things, never knowing what it was. Finally my GP suggested maybe Dr. Keystone could help. I went and he could not have been more knowledgeable, understanding and patient. I read these reviews here and I am shocked. He is by far the best doctor I ever had. I thought his sense of humour was amazing and his words of wisdom helped myself and my mother through a very difficult time. I'll always be grateful to him. If you can't appreciate a kind hearted Dr with a sense of humour then that's on you. He's amazing. Highly highly recommend him. Thank you again Dr Keystone.

Submitted Dec. 14, 2018

This doctor is rude and very unprofessional I wonder how he is practicing he is cruel and stupid no wonder the public has low opinion about him I rate him minus stars

Submitted Nov. 16, 2018

I saw Dr. Keystone over the course of a year to treat a tricky parasite. As of yesterday I am free of this condition and owe gratitude to him for not only helping me to be rid of the parasite but to also do full and thorough tests to rule out other conditions that may have contributed. He was extremely thorough and knowledgeable.
His staff was extremely professional and friendly and gave great, patient instructions for the samples I had to provide - you don't always find that...
He also recognized that I was suffering from depression last year and instantly referred me to a mental health specialist. He didn't have to do that, as he was not my GP, and I deeply appreciate it.
Dr. Keystone is not a God, he is a specialist who is at the top of his field. That is not only my opinion, but my GP's, and other Dr.'s I have seen. He listened to me, took time to look me in the eyes, treated me like a person and not a number. He explained the complexity and reality of parasites and other related conditions and didn't rush me. He even laughed at my jokes... I didn't feel that I was hopeless or would have to live with these awful symptoms forever.
Thank you Dr. Keystone :))

Submitted Aug. 30, 2018

AWFUL Dr. He did nothing for me. Told me it was in my head. Informed me that I would benefit from taking psychological meds. My blood test came back with a mid range reading and he used my allergies to say that was causing the elevation. It was February, my seasonal allergies don't flare up until spring. I was itching, twitching, and could not keep still in the chair in his office. He was dismissive, and full of 💩. My Dr. put me on the meds he recommended, and still my symptoms persisted. So obviously it wasn't psychological. He is a well known Dr. and teaches other Dr's. so it is dufficult to find another one who is willing to go against his diagnosis. Ugh! It has been years and still I feel movement in different parts of my body. Untreated Parasites can cause serious diseases.

Submitted May 25, 2018

I have been a patient of Dr. Keystone's for 3 years. He has always been patient, kind, and generous with his time. He listens attentively to my symptoms and conditions and is always reassuring in our approach for treatment. My condition is a bit obscure and I always feel very reassured and supported after our appointments. He has done a lot to help me and my family through this trying period of our lives. I feel very lucky to be in his care.

Submitted May 23, 2018

My experience with this Doctor was not a good one. He said things that a good infectious disease Doctor should not have said. No Lime disease in Canada? Doctor Keystone must live like a Rabbit, under ground. People do travel all over the globe that they may get infected with disease to bring back with them. He is an idiot and a fake. He is only kind if he knows, which is not much. If he does not know, he can be rude. and because he is full of himself, he can be vindictive. Beware!

Submitted Feb. 14, 2018