Dr. David Blazer is a cardiologist who practices general and interventional cardiology. He is board-certified in Internal Medicine and Cardiovascular Disease. Dr. Blazer’s expertise includes detection and treatment of heart disease using noninvasive, as well as, invasive strategies including echocardiography, nuclear stress testing, Holter monitoring, diagnostic and therapeutic procedures in the cardiac catheterization laboratory.
Dr. David Blazer is a cardiologist who practices general and interventional cardiology. He is board-certified in Internal Medicine and Cardiovascular Disease. Dr. Blazer’s expertise includes detection and treatment of heart disease using noninvasive, as well as, invasive strategies including echocardiography, nuclear stress testing, Holter monitoring, diagnostic and therapeutic procedures in the cardiac catheterization laboratory.
The reviews listed below were collected independently of Dickson Medical Associates through rater8. Each review represents an authentic and verified patient experience.
He has really done everything he can to help me with my heart problem! I trust him to the fullest!!
(1 week ago)
Mar-2026
Dr Blazer is such a wonderful doctor. He’s so calm and knowledgeable and he genuinely cares how I feel. After my most recent visit I had questions about my medication and his nurse called me back and explained everything!! It’s very comforting to know he is my cardiologist. Thank you Dr Blazer.
(1 week ago)
Mar-2026
Always great!
(1 week ago)
Mar-2026
I absolutely love Dr Blazer one of the best doctors there are or was shows so much compassion and cares for patience and if you go in for your regular check ups and have another situation, he tries to make sure that you’re saying by someone else for that problem as well Excellent doctor excellent I’m very grateful for him and his staff. Nothing but love I just wish more doctors or providers had his bedside manner very compassionate.
(1 week ago)
Feb-2026
Very professional, I'm very happy
(2 weeks ago)
Feb-2026
Very professional. Staff friendly and knowledgeable.
(2 weeks ago)
Feb-2026
Very compassionate Dr. He is very thorough. Would suggest anyone to him
(2 weeks ago)
Feb-2026
Phenomenal doctor. He took the time to explain everything in a way I could understand. I asked lots of questions and he took his time answering all of them.
(3 weeks ago)
Feb-2026
He's the best.
(2 months ago)
Dec-2025
He saved my husband life!
(2 months ago)
Dec-2025
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DMA Cardiology at Horizon
113 Hwy 70 East 3rd Floor, Suites A, B, and C Dickson, TN 37055
Dr. David Blazer is a cardiologist who practices general and interventional cardiology. He acquired his undergraduate Bachelor’s Degree in Biology at the University of Hartford in Connecticut. He pursued a Master’s Degree in Neurophysiology at Trinity College in Hartford, Connecticut. Being of Italian ancestry, Dr. Blazer attended medical school at the University of Florence in his mother’s homeland of Italy where he earned his medical doctorate in 1980. He returned to the United States and completed an internship and residency in internal medicine at Rutgers Medical School in New Jersey. He moved to Philadelphia where he completed his Fellowship in Cardiology and Interventional Cardiology at Albert Einstein Medical Center. Dr. Blazer is board-certified in Internal Medicine and Cardiovascular Disease.
Dr. Blazer served as Assistant Clinical Professor in the Department of Family and Community Medicine at Penn State University Medical College from 1990 to 1994. In October 1994, he became the first interventional cardiologist to practice in Dickson. Under the directorship of Dr. Blazer, The Heart Center at TriStar Horizon Medical Center began the interventional program in 2003. Under Dr. Blazer’s directorship, the cardiac rehabilitation center opened in 1996 where he has served as medical director since its inception.
Dr. Blazer’s expertise includes detection and treatment of heart disease using noninvasive, as well as, invasive strategies including echocardiography, nuclear stress testing, Holter monitoring, diagnostic and therapeutic procedures in the cardiac catheterization laboratory. Dr. Blazer holds a daily clinic for outpatients, located conveniently on the same floor as The Heart Center at TriStar Horizon Medical Center.
Professional memberships for Dr. Blazer include Fellow of American College of Cardiology, Fellow of American College of Physicians, membership with the American Medical Association, and Tennessee Medical Association. He has served as Adjunct Professor of Medicine at Vanderbilt University Medical Center since 1994. During his 20 year tenure with Dickson Medical Associates, he has been a shareholder and member of the board of directors.
Dr. Blazer is married to Regina Baggett Blazer, Registered Nurse and founder of the cardiac services at Horizon Medical Center. They have two children and three grandchildren. When Dr. Blazer is not practicing medicine, he enjoys art, photography, music, and stargazing. He originally went to Hartt College of Music intending to be a professional cellist, but then got sidetracked into medicine.
He has really done everything he can to help me with my heart problem! I trust him to the fullest!!
Dr Blazer is such a wonderful doctor. He’s so calm and knowledgeable and he genuinely cares how I feel. After my most recent visit I had questions about my medication and his nurse called me back and explained everything!! It’s very comforting to know he is my cardiologist. Thank you Dr Blazer.
Always great!
I absolutely love Dr Blazer one of the best doctors there are or was shows so much compassion and cares for patience and if you go in for your regular check ups and have another situation, he tries to make sure that you’re saying by someone else for that problem as well Excellent doctor excellent I’m very grateful for him and his staff. Nothing but love I just wish more doctors or providers had his bedside manner very compassionate.
Very professional, I'm very happy
Very professional. Staff friendly and knowledgeable.
Very compassionate Dr. He is very thorough. Would suggest anyone to him
Phenomenal doctor. He took the time to explain everything in a way I could understand. I asked lots of questions and he took his time answering all of them.
He's the best.
He saved my husband life!