Dia Smiley DO


Dr. Smiley has a passion for medicine, and her expertise include cardiac amyloidosis, cardiac sarcoidosis, cardiac disease in women, as well as cardiac imaging and preventative cardiology. She has a passion for preventative medicine and healthy living, and educating the public about health and disease, especially heart disease.


She is one of the best doctor’s, she takes time with you and listens to everything while she works on getting you better

Nicci Burton

I love that she, actually, listens to her patients and has a genuine compassion that translates to a very good doctor!

Sharie Pilgrim McNeely

Dr. Smiley is outstanding! She is a doctor who listens to the patient, and addresses the patient concerns. She also does an excellent job of explaining everything that is going on!!!

Carol Kitchens

I was diagnosed with congestive heart failure at the age of 24 this past September. Dr.Smiley was one of the cardiologists I saw in the hospital during my week stay. She has been absolutely fantastic, as I am a student away from home she always makes me feel at ease and that I can answer any…

Carrollton, GA

Wonderful Doctor and person. Knows her business extremely well

Leroy Dedmon

Dr. Smiley is an outstanding cardiologist. She is very knowledgeable about her field of practice. She is also a very thorough doctor and will address any concerns a patient may have. I would highly recommend her to anyone!

Carrollton, Ga

From The Blog

What is Cardiac Amyloidosis?

Systemic amyloidosis constitutes a group of diseases in which normally soluble plasma proteins are deposited in the extracellular space in an abnormal insoluble form, and can affect virtually any organ, including the heart. Amyloid deposition in the heart causes a cardiomyopathy. Cardiomyopathy is an acquired disease of the heart muscle which makes it difficult for […]

Women and heart disease

       Many women think that cancer is the number one killer of women worldwide. In fact, it is heart disease, and kills more women than all cancers combined. About 30 years, women were largely ignored in terms of their symptoms of heart attacks, mainly because many were had atypical symptoms, but also because of the […]

What is the Mediterranean and diet?

The good news is that 80% of heart attacks and strokes can be prevented by lifestyle changes. “We are what we eat,” and I do believe that if diet was studied more extensively, we can be more specific in terms of our recommendations involving everything from heart disease risk to cancer risk. As cardiologist, we […]