Mark David Kelemen, MD, MBA, MSc
Cardiology
Johns Hopkins Bayview Medical Center
4940 Eastern Avenue, Pavilion West STE 600
Baltimore, MD 21204 Directions
4.9 out of 5
127 verified ratings
127 Ratings, 45 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.
Jun 19, 2026
He is the best
Jun 5, 2026
Dr Keleman explained everything about my medications very clearly and was total understanding of my needs. I'm really glad I met him and look forward to my visits with him.
Jun 5, 2026
I appreciate his balanced impressive expertise/knowledge and sensitivity about living your life
Jun 5, 2026
Dr. Kelemen is an excellent doctor. He is knowledgeable, compassionate, and insightful.
May 21, 2026
I wanted to be off Coumadin, since I never had another a-fib problem over a year, Dr Kelemen stated I could stop the medication but if I have a problem, call and come back to see him
May 21, 2026
Visit was informing, quick and pleasant.
May 8, 2026
Very kind and friendly.
May 1, 2026
Dr Kelemen has been exceptionally kind clear and thorough. His guidance is being a big help as we all age !!
Apr 17, 2026
Excellent
Apr 13, 2026
Dr Mark goes above and beyond to assure patients and visitors that they are welcome.
Mar 30, 2026
Provider, is professional, and knowledgeable in instructing me how to maintain normalBlood Pressure
Mar 26, 2026
Like a good friend enjoy my visit I trust him Doctor Mark K.great personally Best hart guy ther is. Very fortunate to have him as my doctor
Mar 25, 2026
Dr Kelemen is a personable man. He comes into the office with his attention fully on his patient. He asks questions and makes notes before proceeding to an exam.
Mar 25, 2026
Dr Kelemen is very professional, attentive and caring. We are fortunate to be under his care.
Mar 23, 2026
Friendly and educated
Mar 20, 2026
Dr Kelemen is exceptionally kind and professional and gives great service as a Cardiologist for years.
Feb 27, 2026
The best provider that I ever had the pleasure of knowing and understanding.
Feb 25, 2026
This was the first time I met Dr. Kelemen and met all my expectations.
Feb 25, 2026
Explain reasons and recuperation and recommendations. Very professional.
Feb 23, 2026
Dr. Kelemen always listens to my health concerns.
Feb 16, 2026
Excellent, kind, considerate, polite, caring with helpful suggestions. Dr. KELEMEN is an amazing person and professional!!
Feb 16, 2026
Very professional
Feb 13, 2026
I always has a positive interaction with Dr Kelemen. He is the best.
Feb 13, 2026
My provider is great
Jan 30, 2026
Visit went smoothly.
Jan 28, 2026
Dr Kelemen is an excellent cardiologist who listened carefully and provided me with very helpful information about my condition. It is great to have such good medical care at Hopkins.
Jan 14, 2026
Excellent provider and service
Jan 13, 2026
Dr Keleman listens well and addressed all of my questions in a thorough, accessible manner.
Jan 13, 2026
Dr. Kelemen and his assistant [staff] were very accommodating and went above and beyond to have me seen by Dr. Kelemen when I needed.
Jan 9, 2026
Dr. Kelemen was very attentive and listened to my concerns and answered my questions. He explained in detail the answers. He was very forthcoming and informative when answering questions and explained in layman's terms. I left feeling I had all the information I needed to make informed decisions about my health care plan. Dr. Kelemen has one of the best "bed side " manners I have ever encountered. Thank you Dr. Kelemen for your service in Cardiology.
Jan 9, 2026
Dr. Kelemen put me at ease immediately and lowered my anxiety throughout the consultation. I'm grateful that he will be my Cardiologist.
Jan 2, 2026
Th patient has in intellectual disability, and Dr Kelemen spoke clearly so he would understand and always be included
Dec 24, 2025
Very Professional.
Dec 22, 2025
Dr.Keleman is a genius! I am so grateful for him saving my life.
Dec 22, 2025
Dr. Kelemen is very reassuring as well as being very practical with regard to steps in maintaining cardiac and overall health.
Dec 12, 2025
Dr. KELEMEN is wonderful and a blessing for me.
Dec 12, 2025
Great follow-up as always.
Dec 10, 2025
Devoted physician
Nov 12, 2025
Knowledgeable, professional, excellent personality and bedside manner.
Oct 31, 2025
What a pleasure to know that Dr Kelemen must have spent hours reviewing my medical history.
Oct 31, 2025
I felt better about my prognosis after meeting with Dr. Kelemen.
Oct 27, 2025
He was very kind n knowledgeable
Oct 17, 2025
Excellent, friendly
Sep 19, 2025
The doc always take time to sit down (like a friend) to chat and discusses the results of the testing.
Sep 19, 2025
Provider was really good, he took his time explaining everything to me and gave me suggestions. I really appreciate it.