Anthony Williams Keller, MD
Cardiology
Johns Hopkins Medicine Cardiology
6410 Rockledge Drive, Suite 200
Bethesda, MD 20817 Directions
4.9 out of 5
458 verified ratings
458 Ratings, 182 Comments
The following ratings and reviews are based on verified feedback collected from independently administered patient experience surveys. The ratings and comments submitted by patients reflect their own views and opinions. Patient identities are withheld to ensure confidentiality and privacy.
Aug 21, 2026
I think Dr Keller is great
Aug 12, 2026
I am very glad there are cardiologists like Dr. Keller
Aug 10, 2026
Always a pleasure interacting with Dr Keller
Jul 30, 2026
I truly appreciate Dr. Keller's demeanor. He has from the start put me at ease. He is not condescending when he has to tell me things I don't want to hear - that's his job. He leaves the final decisions up to me. He is always supportive with recommendations on improving my health.
Jul 16, 2026
Dr.Keller was very prompt, knowledgeable, and thorough. He has a good bedside manner and practical approach.
Jul 16, 2026
Dr. Keller is fantastic. I've already recommended him.
Jul 8, 2026
My care provider was very capable, friendly, and answered all my questions.
Jul 8, 2026
Dr. Keller was professional, inclusive and well informed. He's an excellent listener and answered all of my questions. I felt an immediate relief that he would be taking on my care moving forward. His explanations were clear and in layman's language, so I could finally understand some of my medical issues. He has a relaxed manner and a good sense of humor. I walked away with important new knowledge & a plan. Grateful to Dr. Keller.
Jul 8, 2026
We will refer the doctor to Freinds and family
Jul 7, 2026
Dr Keller has exceptional skills
Jul 7, 2026
Very personable physician. I feel very comfortable discussing my cardiac evaluation and treatment concerns with Dr Keller. I trust his knowledge and advice.
Jul 6, 2026
He showed concern about me the individual and my concerns and he inquired about my family very important to me
Jun 26, 2026
Friendly, efficient, excellent listener and problem solver!
Jun 26, 2026
Very expensive, indulgent
Jun 26, 2026
Excellent
Jun 24, 2026
Very good
Jun 23, 2026
Knowledgeable, kind and easy to understand. Listened very well.
Jun 22, 2026
Dr. Keller is extremely knowledgeable, respectful, and compassionate. He put my concerns at ease.
Jun 19, 2026
Excellent
Jun 17, 2026
Very articulate, established rapport easily. Knew about my history w. The provider in past. Mentioned many observations out loud. I knew these were for the recording he made for his report butm it was useful tom me nevertheless.
Jun 16, 2026
Very personable and friendly
Jun 16, 2026
Anthony Keller
Jun 16, 2026
Dr Keller is very professional and courteous, taking the time to explain thoroughly and answer all my questions
Jun 10, 2026
Everyone was wonderful! They made my appointment fun!
Jun 10, 2026
Exemplifies the very best traits of a health care provider. Friendly, knowledgeable, caring, approachable.
Jun 10, 2026
Good provider and good service
Jun 9, 2026
He is very caring listening nice person
Jun 8, 2026
Excellent
May 29, 2026
Very professional, thorough, and courteous. It was a pleasure having Dr.Keller as a provider
May 28, 2026
Dr, Keller is very helpful and easy to work with.
May 27, 2026
Dr Keller was excellent
May 27, 2026
He made it clear that he respected me and my own viewpoint about my health and response to certain medications he recommended. He conveys a sense on empathy that makes me trust him more.
May 26, 2026
Dr. Keller is a very good doctor.
May 26, 2026
First visit, very impressed.
May 26, 2026
Professional, engaged, gave clear explanations and suggestions following exam
May 22, 2026
Excellent! Kind, polite and pleasant manner.
May 22, 2026
Dr. Took his time, not rushed.
May 21, 2026
Good bedside manner pleasant very competent pleasure to work with
May 21, 2026
Dr keller was very professional yet very friendly. I was so impressed that [staff] who did my tarv procedure three weeks ago, recognized me in passing and gave me a warm hallway greeting.
May 20, 2026
Great first visit
May 19, 2026
Dr. Keller is excellent. He listens and takes time to explain your health status and why he may be recommending a particular course of action.
May 19, 2026
Dr Keller was patient, caring and easy going. His "bedside" manners were excellent. He took the time to explain everything and to get to know me.
May 8, 2026
I have not had a good doctor like Dr. Keller for a long time. I am very happy with him, how he handles, how he cares, how he explains, etc.
May 6, 2026
The Doctor was excellent. He took his time to listen to my concerns.
May 6, 2026
Dr. Anthony Keller
May 5, 2026
Dr. Keller is personable, empathetic and thorough. I never felt rushed and he took all the time he needed to make sure I understood his diagnosis and treatment.
Apr 30, 2026
Dr Keller, the technician, and the nurse were all great. Kind and competent.
Apr 29, 2026
Dr. Keller is knowledgeable and takes time to to thoughtfully answer my questions and concerns. I am in very capable hands and highly recommend Dr Keller.
Apr 28, 2026
Welcoming and cares about his patients. I have great confidence in his evaluation of my health and his recommendations.
Apr 27, 2026
Excellent cardiologist