
Highlights
Age Groups Seen
- Young Adult 18-25
- Adult 26-64
- Older Adult 65+
Languages
- English
In-Network Plans
View All Accepted Plans (11)Gender
MaleJohns Hopkins Affiliations:
- Johns Hopkins Community Physicians
About Gregory Kegham Kumkumian
Johns Hopkins Physician
Background
Greg Kumkumian, M.D., F.A.C.C., received his medical degree from The George Washington University School of Medicine. Dr. Kumkumian is currently the Medical Director in the Cardiac Catheterization Laboratory at Suburban Hospital. His special interests include general and preventive cardiology, interventional cardiology and peripheral vascular diseases, venous diseases and peripheral interventions. Dr. Kumkumian has been recognized as one of the area's "Top Doctors" several times by Washingtonian magazine.
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Locations
- Johns Hopkins Health Care & Surgery Center — Bethesda
- 6410 Rockledge Drive, Suite 200, Bethesda, MD 20817
- Get Directions
- phone: 301-897-5301
- fax: 410-367-2059
- Suburban Hospital
- 8600 Old Georgetown Road, Bethesda, MD 20814
- Get Directions
- phone: 301-896-7610
- fax: 301-896-7626
- Johns Hopkins Medicine Cardiology, Rockville
- 15005 Shady Grove Road, Suite 340, Rockville, MD 20850
- Get Directions
- phone: 240-238-3760
- fax: 410-367-2112
Expertise
Education
- Fellowship: University of Maryland Medical Center, Interventional Cardiology, 2001
- Fellowship: University of Maryland Medical Center, Cardiovascular Disease, 2000
- Residency: University of Maryland Medical Center, Internal Medicine, 1997
- Medical Education: The George Washington University School of Medicine, MD, 1994
Board Certifications
- Interventional Cardiology: American Board of Internal Medicine, 2002
- Cardiovascular Disease: American Board of Internal Medicine, 2000
Insurance
- Aetna
- CareFirst
- Cigna
- First Health
- Geisinger Health Plan
- HealthSmart/Accel
- Johns Hopkins Health Plans
- MultiPlan
- Pennsylvania's Preferred Health Networks (PPHN)
- Point Comfort Underwriters
- Private Healthcare Systems (PHCS)
Ratings & Reviews
5 out of 5
359 ratings, 161 reviewsThe Patient Rating score is an average of all responses to physician related questions on the national CG-CAHPS Medical Practice patient experience survey through Press Ganey. Responses are measured on a scale of 1 to 5, with 5 being the best score. Comments are also gathered from our CG-CAHPS Medical Practice Survey through Press Ganey and displayed in their entirety. Patients are de-identified for confidentiality and patient privacy.
- 5 out of 5 starsReviewed on 3/20/2026
Easy to talk with. Explains carefully and soo understand
- 5 out of 5 starsReviewed on 3/20/2026
Excellent, and caring provider.
- 5 out of 5 starsReviewed on 3/20/2026
Excellent doctor
- 5 out of 5 starsReviewed on 3/20/2026
Dr. Kumkumian is probably the best physician I have ever worked with. Perfect combination of expertise, compassion, great listening skills, ability to explain things, and real interest in the big picture as well as the details of my conditions.
- 5 out of 5 starsReviewed on 3/20/2026
DOCTOR was prepared to eat updated since my last visit. We discussed three upcoming I need tests to be done in early 2027 unless elective surgery was needed, then we would schedule the test prior to any surgery.
- 5 out of 5 starsReviewed on 3/18/2026
Very professional, courteous, caring. Excellent physician
- 5 out of 5 starsReviewed on 3/16/2026
Dr. Kumkumian Is an excellent and caring physician
- 5 out of 5 starsReviewed on 3/16/2026
Gregory Kumkumian
- 5 out of 5 starsReviewed on 3/16/2026
Great
- 5 out of 5 starsReviewed on 3/13/2026
Great person to talk to and listen to.
- 5 out of 5 starsReviewed on 3/13/2026
Dr. Kumkumian continues to provide extremely knowledgeable care that keeps me informed and involved about the medical issues relating to my care. Johns Hopkins is lucky to have him in its cardiology practice.
- 5 out of 5 starsReviewed on 3/9/2026
Dr Kumkumian is a great provider
- 5 out of 5 starsReviewed on 3/9/2026
My doctor is excellent, kind, genuine, expert in their field, and dedicated to their patients health and welfare. He is professional and takes a lot of time to help you understand your illness and treatments. I wish all of my doctors were like Dr. Kumkumian.
- 5 out of 5 starsReviewed on 3/6/2026
I am a new patient and I felt very well cared for by Dr.
- 5 out of 5 starsReviewed on 3/6/2026
Excellent and provides me with great information to guide me in keeping myself healthy
- 5 out of 5 starsReviewed on 3/4/2026
Very caring, knowledgeable and careful doctor.
- 5 out of 5 starsReviewed on 3/4/2026
Dr. Kumkumian is top notch all the way. I have the utmost confidence in him, not only for me but my wife sees him as well. I could easily find a cardiologist closer to home but would not even consider another doctor.
- 5 out of 5 starsReviewed on 2/25/2026
Originally -maybe 15 years ago saw [staff]. Since he retired he recommended as good fit for me Dr. Kumkumian. Would only wait for his schedule to see. I go as preventative since family history . He has also sees my husband .
- 5 out of 5 starsReviewed on 2/25/2026
Confident of the care provided.
- 5 out of 5 starsReviewed on 2/25/2026
The doctor takes his time listening and explaining everything that I need to know about my health and heart
- 5 out of 5 starsReviewed on 2/20/2026
Dr Kumkumian
- 5 out of 5 starsReviewed on 2/20/2026
Dr.Kumkumian is an excellent cardiologist.
- 5 out of 5 starsReviewed on 2/20/2026
The absolute best thee is!!!!!! No question the most professional, the most caring, the best there is in medicine.
- 5 out of 5 starsReviewed on 2/16/2026
Very kind he paid attention to me and listened .!)? hi
- 5 out of 5 starsReviewed on 2/16/2026
On the conservative side with testing
- 5 out of 5 starsReviewed on 2/13/2026
Dr. Kumkumian is an excellent cardiologist
- 5 out of 5 starsReviewed on 2/11/2026
He is respectful, professional and competent
- 5 out of 5 starsReviewed on 2/9/2026
Mr Kumkumian is always on top of his game and I never have a problem with him, we need more people like him in his position.
- 5 out of 5 starsReviewed on 2/4/2026
Doctor has in past and always goes on and beyond hiss duty with my mom and myself
- 5 out of 5 starsReviewed on 2/4/2026
Wonderful
- 5 out of 5 starsReviewed on 2/2/2026
I recommend Dr. Kumkumian to all my friends!His everything you would want in a doctor!
- 5 out of 5 starsReviewed on 1/30/2026
Positive attitude for my life style after heart attack
- 5 out of 5 starsReviewed on 1/30/2026
Friendly, kind, empathetic, knowledgeable, reassuring
- 5 out of 5 starsReviewed on 1/30/2026
The provider was very kind and knowledgeable. I felt seen and heard.
- 5 out of 5 starsReviewed on 1/30/2026
I am completely satisfied with the professional services I receive from Dr. K
- 5 out of 5 starsReviewed on 1/30/2026
Dr.K remains the dedicated and professional physician over the many years that I have been a patient.
- 5 out of 5 starsReviewed on 1/30/2026
Dr. Kumkumian
- 5 out of 5 starsReviewed on 1/23/2026
The excellent service and great support.
- 5 out of 5 starsReviewed on 1/23/2026
I feel very grateful that Dr. Kumkumian is my doctor
- 5 out of 5 starsReviewed on 1/23/2026
Dr Kumkumian is a skilled and nurturing cardiologist.
- 5 out of 5 starsReviewed on 1/23/2026
Dr Greg Kumkumian
- 5 out of 5 starsReviewed on 1/16/2026
An excellent physician and an excellent practice.
- 5 out of 5 starsReviewed on 1/16/2026
I had a good visit with my doctor .
- 5 out of 5 starsReviewed on 1/16/2026
Excellent fund of knowledge, very thorough and excellent bedside manner
- 5 out of 5 starsReviewed on 1/14/2026
Excellent .
- 5 out of 5 starsReviewed on 1/14/2026
Dr. Kumkumian is an excellent physician. He is smart and experienced, and discusses my condition with me clearly and comprehensively. He is patient and answers my (many) questions. He makes me feel that he is really interested in my well-being. I think he is a lovely person. I always feel that I am lucky to be his patient after a visit with him!
- 5 out of 5 starsReviewed on 1/12/2026
Dr. Kumkumian listens to the patient and takes his time with the patient. I have never felt rushed. You get his full attention. He invites any questions I might have.
- 5 out of 5 starsReviewed on 12/29/2025
Dr. Kumkumian
- 5 out of 5 starsReviewed on 12/26/2025
Excellent Dr
- 5 out of 5 starsReviewed on 12/22/2025
Excellent Dr. Great bedside manner. Knowledgeable.
- 5 out of 5 starsReviewed on 12/17/2025
Dr Kumkumian is great both my husband and I think he's wonderful.
- 5 out of 5 starsReviewed on 12/17/2025
My husband and I have been seeing Dr. Kumkumian for a good number of years. He has taken excellent care of us.
- 5 out of 5 starsReviewed on 12/15/2025
Have already recommended Dr K to several people.
- 5 out of 5 starsReviewed on 12/15/2025
Friendly & helpful
- 5 out of 5 starsReviewed on 12/5/2025
Dr K is the best. I trust him and feel he is taking good care of my issues
- 5 out of 5 starsReviewed on 12/5/2025
Dr. Kumkumian is very knowledgeable and thorough.
- 5 out of 5 starsReviewed on 12/5/2025
I wish every doctor I see could be as great as Dr. Kumkumian about everything!
- 5 out of 5 starsReviewed on 12/3/2025
Very satisfied with provider performance
- 5 out of 5 starsReviewed on 12/1/2025
Very professional, treated patient with respect. Excellent bedside manner.Willing to discuss and and answer all questions. Makes me patient reassured about outcomes and solutions.
- 5 out of 5 starsReviewed on 11/26/2025
He goes the extra mile ~ Best!
- 5 out of 5 starsReviewed on 11/26/2025
He is very care
- 5 out of 5 starsReviewed on 11/26/2025
Dr Kumkumian is my trusted counsel for heart health. I greatly value his care and advise
- 5 out of 5 starsReviewed on 11/24/2025
Dr. Kumkumian is always a knowledgeable, thorough, caring doctor. I couldn't ask for a better Cardiologist!
- 5 out of 5 starsReviewed on 11/19/2025
Dr Kumkumian has been my heart doctor for 10 years. He is extremely competent, articulate and comfortable to work with.
- 5 out of 5 starsReviewed on 11/19/2025
Dr. Kumkumian is the most professional, knowledgeable, and courteous doctor. I am so thankful to have him as my cardiologist.
- 5 out of 5 starsReviewed on 11/19/2025
Outstanding clinical skill & judgment. Manner is engaged and empathic. Excellent communication.
- 5 out of 5 starsReviewed on 11/19/2025
Dr Kumkumian saved my heart from damage by inserting stents in June 2006 when I had clogged heart arteries (heart attack). My Hero!
- 5 out of 5 starsReviewed on 11/14/2025
Always one who explains very well and has always been very clear. As retired Cardiac RN
- 5 out of 5 starsReviewed on 11/14/2025
Doctor Kumkumian had my doctor for more than twenty years he is an excellent doctorb
- 5 out of 5 starsReviewed on 11/12/2025
Dr Kumkumian is the best cardiologist and very caring!
- 5 out of 5 starsReviewed on 11/12/2025
Excellen
- 5 out of 5 starsReviewed on 11/10/2025
Excellent physician
- 5 out of 5 starsReviewed on 11/10/2025
Dr. Kumkumian is a caring physician and cardiologist.
- 5 out of 5 starsReviewed on 11/7/2025
He is very polite and professional, always big smile on
- 5 out of 5 starsReviewed on 11/7/2025
Patience, great bedside manners
- 5 out of 5 starsReviewed on 11/7/2025
Had a very good experience
- 5 out of 5 starsReviewed on 11/5/2025
Dr. Kumkumian is a fantastic physician. He is always making sure I am doing well and continues to be my favorite physician
- 5 out of 5 starsReviewed on 10/31/2025
He explains things very clear. He's thorough and at the same time gives me confidence in what he is doing. I wish getting an appointment with him were easier, specially for elderly people like me and my husband. He really trust in him.
- 5 out of 5 starsReviewed on 10/31/2025
He was excellent. Took his time to be thorough and explain everything.
- 5 out of 5 starsReviewed on 10/31/2025
First time visit and very happy to have found a great doctor. He is kind, through, and professional. He took time to listen to me and explain everything patiently.
- 5 out of 5 starsReviewed on 10/31/2025
Very pleasant and discussed how I can take better care of me
- 5 out of 5 starsReviewed on 10/29/2025
Dr Kumkumian is great!
- 5 out of 5 starsReviewed on 10/29/2025
Dr Kumkumian is one of the greatest doctors I have ever met, if not the greatest, and I have seen a lot of doctors in my life, also I think he is a very kind person and treats people with respect and a smile, something that is very important to a patient.I wish all my doctors were more like him.
- 5 out of 5 starsReviewed on 10/27/2025
The experience I had at the providers office was great!
- 5 out of 5 starsReviewed on 10/27/2025
Dr. Kumkumian is pleasant, knowledgeable and knows me very well as his patient.
- 5 out of 5 starsReviewed on 10/27/2025
Excellent
- 5 out of 5 starsReviewed on 10/27/2025
He's great
- 5 out of 5 starsReviewed on 10/24/2025
He is excellent- smart, caring, reasonable, knowledgeable
- 5 out of 5 starsReviewed on 10/20/2025
Kind, provides education, knowledgeable
- 5 out of 5 starsReviewed on 10/13/2025
Dr Kumkumian cares about his patients. He is a very good listener and explains issues clearly. I have confidence I am getting the best care.
- 5 out of 5 starsReviewed on 10/3/2025
Doctor Kumkumian is very caring and very profesional. He explain with detail that patients understand him.
- 4 out of 5 starsReviewed on 10/1/2025
It was my first time with Dr. Kumkumian after 5 hours in the ER for a cardioversion a week+ before; my ""regular"" cardiologist, [staff] wasn't available. Dr. Kumkumian was very attentive and thorough - and included my husband, who accompanied me into the exam room, in many of the conversations, a helpful way of making him feel informed and included.
- 5 out of 5 starsReviewed on 9/29/2025
We confide and trust Dr. Kumkumian. He's been a long caretaker for my Parent's heart care needs and he's the best. He's easy to talk to and super friendly. We hope Dr. Kumkumian stays at this practice for as long as possible.
- 5 out of 5 starsReviewed on 9/26/2025
Always professional, caring, kind
- 5 out of 5 starsReviewed on 9/26/2025
The best of the best
- 5 out of 5 starsReviewed on 9/25/2025
Easy to talk to, comfortable asking him questions, very knowledgeable
- 5 out of 5 starsReviewed on 9/24/2025
Dr. Gregory Kumkumian
- 5 out of 5 starsReviewed on 9/22/2025
Excellent!
- 5 out of 5 starsReviewed on 9/22/2025
Dr. Kumkumian is beyond excellent.
- 5 out of 5 starsReviewed on 9/22/2025
Dr Kumkumian is one of the best doctors I ever visited. Kind, knowledgeable, caring.
- 5 out of 5 starsReviewed on 9/22/2025
Never feel rushed when I meet with him. Highly recommend him
- 5 out of 5 starsReviewed on 9/19/2025
He is one of the best!
- 5 out of 5 starsReviewed on 9/18/2025
DR. KUMKUMIAN IS THE BEST OUT OF SCORES OF DOCTORS I HAVE SEEN OVER THE DECADES! Don't let him leave. So smart, and cares so much.
- 5 out of 5 starsReviewed on 9/18/2025
The doctor has an excellent manner and explained my health condition fully.
- 5 out of 5 starsReviewed on 9/18/2025
Aways interested in talking with me. Thorough. Easy to relate to.
- 5 out of 5 starsReviewed on 9/15/2025
Dr. Kumkumian is a great doctor!
- 5 out of 5 starsReviewed on 9/12/2025
Dr. Kumkumian is the very best physician and an excellent cardiologist.
- 5 out of 5 starsReviewed on 9/12/2025
Great doctor.
- 5 out of 5 starsReviewed on 9/12/2025
Excellent provider
- 5 out of 5 starsReviewed on 9/11/2025
Greg Kumkumian
- 5 out of 5 starsReviewed on 8/25/2025
Dr. Kumkumian is one the best physics I have known.
- 5 out of 5 starsReviewed on 8/25/2025
I understand why this Surgeon is booked months in advance. Not only did he save my mother's life, but he is extremely well read and knowledgeable on the matters of the heart. I was expecting to have the EKG immediately since I was nervous, but the results were EXTREMELY POSITIVE and GOOD and he explained everything in great detail for my future heart health needs.
- 5 out of 5 starsReviewed on 8/22/2025
Dr. Kumkumian is among the very best.
- 5 out of 5 starsReviewed on 8/20/2025
He is very caring attentive, very good listener and a great doctor.
- 5 out of 5 starsReviewed on 8/18/2025
He is an amazing doctor, knowledgeable, professional, kind and caring.
- 5 out of 5 starsReviewed on 8/13/2025
He is excellent
- 5 out of 5 starsReviewed on 8/11/2025
Busy practice that treats you with compassion
- 5 out of 5 starsReviewed on 8/11/2025
Dr K is an excellent physician who is totally involved with patienyd
- 5 out of 5 starsReviewed on 8/8/2025
Excellent, thorough, kind, patient,
- 5 out of 5 starsReviewed on 8/6/2025
Dr. Kumkumian is excellent in listening and informing me when I have questions. I appreciate the time that he takes to help me understand how to proceed with treatment in the future.
- 5 out of 5 starsReviewed on 8/6/2025
Dr. Kumkumian provided caring, thoughtful, knowledgeable insights into my condition. He put me at ease and answered all my questions. He is the BEST!!
- 5 out of 5 starsReviewed on 8/6/2025
Dr. Gregory Kumkumian -- comments below.
- 5 out of 5 starsReviewed on 8/4/2025
Very through
- 5 out of 5 starsReviewed on 7/23/2025
Outstanding cardiologist! He listens, spends time, is personable and asks the right questions. Couldn't be happier with my visit
- 5 out of 5 starsReviewed on 7/23/2025
Dr. Kumkumian is the best physician I've seen at Hopkins. He listens, he's empathetic, and you get the sense he truly cares. I would highly recommend him.
- 5 out of 5 starsReviewed on 7/23/2025
My Dr gives me good advice, gives enough time to explain problems
- 5 out of 5 starsReviewed on 7/18/2025
Excellent Doctor, and I hope he continues to be my doctor.
- 5 out of 5 starsReviewed on 7/18/2025
Great doc
- 5 out of 5 starsReviewed on 7/18/2025
Excellent, Always look forward to seeing him
- 5 out of 5 starsReviewed on 7/16/2025
Been going to this practice for 23 years since my heart attack, they are always concerned about my health.
- 5 out of 5 starsReviewed on 7/11/2025
Dr. Kumkumian is an attentive and congenial and always provides a comprehensive exam and sound advice. I feel confident that I am well cared for.
- 5 out of 5 starsReviewed on 7/11/2025
Dr Kumkumian is a caring and skillful cardiologist. I am grateful to have him as my medical care provider.
- 5 out of 5 starsReviewed on 7/2/2025
Provider did a thorough job
- 5 out of 5 starsReviewed on 6/23/2025
Excellent as usual. Could not ask for a better physician to take care of me.
- 5 out of 5 starsReviewed on 6/23/2025
My dr always listens.
- 5 out of 5 starsReviewed on 6/18/2025
My doctor examined me very well and gave me excellent advice for cardiac.
- 5 out of 5 starsReviewed on 6/18/2025
Dr Kumkumian is the most wonderful provider. He listens, is calm and has a wonderful disposition. He is never hurried and truly is a caring provider.
- 5 out of 5 starsReviewed on 6/18/2025
Great provider and extremely knowledgeable, compassionate and supportive physician
- 5 out of 5 starsReviewed on 6/13/2025
I am very happy to have Dr. Kumkumian evaluate my cardiac health. He's the best!!
- 5 out of 5 starsReviewed on 6/13/2025
Always an excellent experience with Dr. Kumkumian - his expertise is unparalleled and he reviews and explains everything in a manner that is clear, concise, and comfortable and addresses all questions. A very pleasant and comfortable experience. The entire cardiology team is wonderful!
- 5 out of 5 starsReviewed on 6/6/2025
Love Dr. Greg Kumkumian and have ever since 2014 when he cared for my first cardiac event.
- 5 out of 5 starsReviewed on 5/30/2025
Excellent doctor, easy to communicate, genuine care for me and my health very knowledgeable
- 5 out of 5 starsReviewed on 5/30/2025
Competent
- 5 out of 5 starsReviewed on 5/28/2025
Gr eat
- 5 out of 5 starsReviewed on 5/28/2025
Feel good about approach and guidance
- 5 out of 5 starsReviewed on 5/23/2025
Dr. Kumkumian
- 5 out of 5 starsReviewed on 5/21/2025
Dr. Kumkumian is a very good professional as well as a caring doctor
- 5 out of 5 starsReviewed on 5/21/2025
Brilliant, caring, empathic MD.A rare find.
- 5 out of 5 starsReviewed on 5/19/2025
Excellent knowledge, care and pleasant personality
- 5 out of 5 starsReviewed on 5/14/2025
Dr K is very perceptive and addressed all of my concerns and helped identify issues that were pertinent to my condition and gave very helpful suggestions to help me manage my disease.
- 5 out of 5 starsReviewed on 5/14/2025
Excellent clinical judgment and exceptional patient relations.
- 5 out of 5 starsReviewed on 5/12/2025
Great people & doctors
- 5 out of 5 starsReviewed on 5/12/2025
Dr Gregory was as usual excellent doctor who cares
- 5 out of 5 starsReviewed on 5/12/2025
Dr. Gregory Kumkumian saved my life with arterial stents in 2006. Definitely my Hero!
- 5 out of 5 starsReviewed on 5/7/2025
I think Doctor Kumkumian is the best doctor. He has been my cardiologist for at least ten years I respect him very much I know he will have the solution to any health issue that I may have he is a great doctor he makes sure that I have the best care possible he is an example of what all doctors should be
- 5 out of 5 starsReviewed on 5/2/2025
Dr. Gregory Kumkumian is an outstanding doctor who is very caring, thoughtful, friendly and knowledgeable. I do highly recommend him to anyone who needs a cardiologist.
- 5 out of 5 starsReviewed on 5/2/2025
Dr. Greg Kumkumian is by far my favorite Dr.I have been a patient of his for quite a few years and have recommended him to many of my friends. His bedside manor as well as his knowledge and concern are 5 stars!
- 5 out of 5 starsReviewed on 4/30/2025
Dr Kumkumian
- 5 out of 5 starsReviewed on 4/21/2025
Dr Kumkumian was Excellent !!
- 5 out of 5 starsReviewed on 4/16/2025
Excellent physician
- 5 out of 5 starsReviewed on 4/16/2025
He's always professional and caring. Goes on and beyond wat a doctor usually does!