T. Colin Killeen , DO

Dr. Joseph Khabbaza is an excellent clinician with great communication skills.

Dr. Killeen is an exceptional doctor who takes great care of me. I could not be happier.

Never had a better more caring doctor

Such a great visit with my doctor

Best physician visit in a long time; thorough, knowledgeable, listened well. I wasn''t sure there were still doctors like him!

Dr. Killeen is always so kind and empathetic but also interested investigating the root of the problem. This makes me feel very seen, heard and cared for.

I love Langston Hughes ease of seeing the best Internal Med doctor I have the privilege of seeing.

Dr. Killeen is fantastic - he is thorough, kind, and I never feel rushed in our appts.

Very good doctor

Excellent doctor

Dr Killeen is truly amazing!!! I''ve said it before and will say it again. He is the BEST primary care physician that I have ever had in my 61 years of life on this earth. And I do NOT exaggerate ! His bedside manner is amazing. He really listens and talks WITH me, the patient. He is a true ASSET to Cleveland Clinic!!

Dr Killeen is fabulous and I recommend him to anyone he sees me and my son

Dr. Killeen, is the best, he cares about his patients, he takes time up with his patient''s....And I love that about him....Also he listens to you

Excellent Dr., great listener

I highly recommend this care team. Dr. Killeen and his overall team do a stellar job and are excellent.

My doctor always shows complete concern for me as well as my overall health and he always has!! That means so much to me.

Provider took time to listen

My doctor is the best!

Exceptional Doctor

Fabulous doctor- smart, engaged and very focused on my health and wellbeing

Dr Killeen is very thorough. He makes a plan to work on until the next visit which is helpful for goal setting and follow through

Dr. Killeen is excellent. A great asset to the Cle Clinic.

This physician was the best Internist have had in 10 years at Cleveland Clinic.

As an older man, I DO believe that I am receiving very insightful care from Dr. Killeen.

Dr. Killeen excels in every level of care and responds in record time to all concerns. Superb!

Dr. Killeen is truly THE BEST. I am SO GLAD that I have him as my PCP. Cleveland Clinic, you listen to me now.. Do NOT let Dr. Killeen leave under any circumstances. Not that he wants to. Not at all. I'm just saying!! He TRULY is the best. No exaggeration at all.

I usually see Dr. Killern at miain campus and that will remain my strong preference going forward. I will not recommend the Langston Hughes facility to anyone who has the option of going elsewhere.

Dr. Killeen is very genuine and really listens to my concerns; an incredibly kind human being.

I am from western Michigan, was coming to Cleveland and Dr. Killeen managed to find a spot to see me

Dr. Killeen is always thorough, pleasant, informative and listens carefully to what I have to say.

Dr. Killeen is a caring individual. He knows a lot and is willing to help me figure out what is happening. He's a wonderful doctor.

My experience with Dr. Killeen and his nurses was excellent. He was on time and very knowledgeable. His nurses were very efficient and kind.

Dr. Killeen is very knowledgeable and caring, excellent in listening, examining, and diagnosing,

Dr.killeen is the best doctor I have ever had.

Very much enjoy having Dr. Killeen as my PCP

I have not had a better doctor. Excellent care, communication. I've recommended Dr. Killeen to others.

I'm lucky to have Dr. Killeen as my primary caregiver - he's world class!

On a scale of 1 to 5 I'd rate my care a 10 I've had no better primary care doctor

I'm very grateful to Dr Killeen. His knowledge his caring treatment is the best. I'm so glad I'm in his care He spends time and thought in treatment and communicates kindly.

Dr koleen very good doctor. He gave me the medication I need

Dr. Killeen is a fantastic doctor. He has been my doctor for years and I can't imagine going to anyone else. He is so knowledgeable.

Dr Killeen is a very caring attentive doctor. He is what you want a doctor to be.

Dr. Kileen is a wonderful doctor. Her cares about me as a person, he listens to me, and his depth of knowledge is amazing. He has been a wonderful guide through my various medical problems!

Dr Killian is very patient and open when speaking with my concerns.

Dr Killeen is the best, he's has an old school bedside manner approach, meaning he keeps intouch with his patients and he cares deeply about your health and wellbeing.

Dr Killeen is truly the BEST doctor that I have ever been to in my 61 years of life. I don't exaggerate. Dr Killeen LISTENS to his patients, I mean GENUINELY listens. He has such excellent bedside manner that other doctors can take lessons from him. For the first time in my life I am not stressed when I see the doctor (Killeen). Dr K is also highly knowledgeable and asks great questions to probe issues. This may sound corny, but if I had millionaire money, I would hire Dr Killeen as my private physician. But, alas.like you, I can't afford that. So I am VERY glad that Dr Killeen is at Cleveland Clinic!! Don't let him leave!

Dr. Killeen is an excellent and personable provider

Dr. Killeen is one of the most caring doctors I have ever met. He has people intelligence and works WITH you to maximize your care.

Dr. Killeen is an excellent physician.

Dr Killeen is terrific: caring, able and thoughtful. Love him as my PCP!

If possible, I would rate Dr, Killeen higher than 5. I actually feel like he is a true partner in my care plan.

Dr. Killeen is the best! I love his relaxed, caring manner and his ability to talk about the various options with me about my health. Highly recommend!!!

Dr. Killeen always takes his time, I never feel like he's hurried or rushing me out.

Dr. Killeen is an excellent doctor, who works with the patient in partnership to ensure that they receive the best treatment possible. He cares about you as his patient.

Dr. Killeen is first-rate, and extremely personable and genuine.

Dr Killeen is such a caring physician. I recommend as many seniors as possible. He has served me well for the past years. I started with him at Main Campus but I feel Langston Hughes location is a better fit for me.

I am always so happy that Dr. Killeen is my primary care doctor. He is kind, caring, smart, experienced, and easy to communicate with. I couldn't be happier.

Dr K is excellent

Dr Killeen is very thorough and answered all my questions. Very easy to talk with and encourages questions.

Dr Killeen is very personable and excellent at explaining medical issues which affect me.

Dr. Killeen thoroughly went through the problems I was having and expertly recommended a course of action. He showed appropriate concern.

I asked numerous questions and Dr. Killeen had answers for all of my questions. He was like a human medical encyclopedia. Very Impressive!

Always considerate, thorough and professional. An excellent doctor.

Dr. Killeen is impressively knowledgeable and kind.

Dr. Killeen is an excellent, sympathetic primary care provider, including at this visit.

I am nearly 62 years old, and Dr. Killeen is easily one of the best doctors I have worked with. He is kind, thorough, a terrific listener, a delight to talk to, and quite intelligent.

Dr. Killeen is by far the best GP I have ever had in my entire lifetime. Considering I am 80 years old, that's saying a lot.

I am very happy to be a partner in Dr Killeem's practice. Dr Killeen and his staff provide a good and supportive experience.

Dr Killeen is a kind and informed doctor.

Dr. Killeen has been my PCP since he started about 10 years ago and I wouldn't see anyone else. He is the best. He always listens to my concerns, offers advice and refers to the appropriate departments. I truly adore and respect Dr. Killeen for everything he does for me. Thank You!