Ada Mercado, MD
Specialties
Cardiovascular Disease
Cardiology
Education & Training
Doctor of Medicine
Ada Mercado, MD
Cardiovascular Disease Specialist with Wellstar since 2010.
Specialties
Cardiovascular Disease
Cardiology
Education & Training
Doctor of Medicine
Office Locations
Expertise
About Ada Mercado, MD
A native of Puerto Rico, Dr. Ada Mercado received her undergraduate degree from InterAmerican University and attended medical school at Pedro Henríquez Ureña. She completed her internal medicine residency in the Mayagüez Medical Center and her cardiovascular disease fellowship at Ponce School of Medicine & Health Sciences St. Luke's Episcopal Hospital. Dr. Mercado then completed an echocardiography fellowship at Tulane and Louisiana State University in New Orleans, LA. She also completed nuclear cardiology training at Emory University in Atlanta.
Dr. Mercado is board-certified in cardiovascular disease. She is a member of the American College of Cardiology and American Echcoardiography Society. Her special interests include general cardiology, transthoracic and transesophageal echocardiogram, and nuclear cardiology.
She joined Wellstar in January 2011 from the Atlanta Heart Center where she was a founding physician in 2002.
Specialties
- Cardiovascular Disease
- Cardiology
Education & Training
- Universidad Nacional Pedro Henriquez Urena
Degree
- Doctor of Medicine
Residency
- Ramon Betances HospitalMayaguez Medical Center
Fellowship
- Emory Healthcare/Emory University Hospital
- LSU Health Sciences Center
- Ponce School of Medicine
Certifications
- National Board of Physicians and Surgeons
Hospital Affiliations
- Wellstar Kennestone Hospital
- Wellstar North Fulton Hospital
- Wellstar Douglas Hospital
- Wellstar Cobb Hospital
Languages spoken
- English
- Spanish
Common Treatments, Conditions, and Procedures
- Atrial Fibrillation (Afib)
- Congestive Heart Failure
Patient Reviews
Overall patient rating
4.6Based on 557 patient ratings
- I'd recommend this practice to family and friends
-
- I'd recommend this provider to family and friends
-
- Listened to me carefully
-
- Shared the right amount of information
-
- Earned my trust
-
All reviews have been submitted by patients after seeing the provider.For more information about the review system, check out this Learn more about our review system.
Patient Reviews
5
I recommend Dr Mercado to friends and family with heart questions or concerns
May 16, 2025
5
Dr Mercado and all her team members were very professional, kind and helpful. Best group of people!
May 8, 2025
5
Scheduling and reception staff were very professional.
May 2, 2025
5
Everyone was kind and professional. The woman at the front desk was especially pleasant and I thanked her for it. Dr. Mercado was wonderful.
April 30, 2025
5
I feel very comfortable with the whole staff
April 30, 2025
5
Good experience
April 30, 2025
5
I have been a patient with Dr.Mercado for nearly 13 years
April 30, 2025
5
Very good
April 27, 2025
5
The love and kindness was very much appreciated. Thank you so much. A great staff. Thank you and a wonderful doctor. Bye-bye.
April 30, 2025
5
No comments, everything is excellent.
April 27, 2025
5
Good kindness and excellent professionalism
April 27, 2025
5
I really didn't see them wash or disinfect their hands.
April 24, 2025
5
I would like to say that Dr. Mercado has excellent bedside manner and she's very relatable and a joy to be with because she's also funny and she helps you to calm down and relax and not be so worried. But she's definitely straight to the point and just a great doctor and I really appreciate her. So, thank you, doctor.
April 27, 2025
4
Dr Mercado was difficult to understand at times. At times she also had difficulty saying what she wanted to say. Needs a little better understanding of English.
April 27, 2025
5
Dr. Mercado is absolutely one of the most personable, knowledgeable doctors I've ever had.
April 27, 2025
5
I was anxious before the appointment, but when I was seen by the doctor, who gave me all the necessary information, I was happy.
April 24, 2025
5
everyone was very attentive, would continue to see my Dr.
April 23, 2025
5
I congratulate them because, in general, their staff is very attentive and very professional. From the moment I walked into Green Romo, they showed kindness and made me feel comfortable explaining my condition. Dr. Mercado demonstrated her competence and professionalism by guiding me based on my condition and current situation.
April 18, 2025
5
Dr. Mercado is very considerate and a very good doctor, thank you.
April 19, 2025
5
The staff did not rush, they were very attentive and knowledgeable The doctors as always was amazing
April 10, 2025
5
Been going awhile to see this doctor and have never had an issue. I would recommend her to anyone. Wonderful doctor!
April 10, 2025
5
She did not ask me many questions ....
April 10, 2025
5
Dr. Mercado's experience and ethics reflects in the way she treated me in my first doctors appointment. Not just one more patient in my portfolio!!! She demonstrated me that humans are more important than what materialism is all about in our present society. Dr. Mercado goes above and beyond a previous cardiologist I had with Wellcare
April 4, 2025
5
Dr Mercado is friendly and very professional
March 31, 2025
4
The consultations are very quick, and there is no extra time to clarify all the doubts. Otherwise everything is excellent!
March 29, 2025
5
Always a good visit.
March 30, 2025
5
Just the waiting time. It was too long.
March 30, 2025
5
Dr. Mercado is Excellent. Explains everything so you understand it fully. Great bedside manner
March 28, 2025
5
Very good doctor and the entire team in that cardiology area
March 26, 2025
5
The staff and Dr. Mercado was very professional. The doctor listen to my concerns and needs.
March 26, 2025
5
I recommend Dr Mercado to friends and family with heart questions or concerns
May 16, 2025
5
Dr Mercado and all her team members were very professional, kind and helpful. Best group of people!
May 8, 2025
5
Scheduling and reception staff were very professional.
May 2, 2025
5
Everyone was kind and professional. The woman at the front desk was especially pleasant and I thanked her for it. Dr. Mercado was wonderful.
April 30, 2025
5
I feel very comfortable with the whole staff
April 30, 2025
5
Good experience
April 30, 2025
5
I have been a patient with Dr.Mercado for nearly 13 years
April 30, 2025
5
Very good
April 27, 2025
5
The love and kindness was very much appreciated. Thank you so much. A great staff. Thank you and a wonderful doctor. Bye-bye.
April 30, 2025
5
No comments, everything is excellent.
April 27, 2025
5
Good kindness and excellent professionalism
April 27, 2025
5
I really didn't see them wash or disinfect their hands.
April 24, 2025
5
I would like to say that Dr. Mercado has excellent bedside manner and she's very relatable and a joy to be with because she's also funny and she helps you to calm down and relax and not be so worried. But she's definitely straight to the point and just a great doctor and I really appreciate her. So, thank you, doctor.
April 27, 2025
5
Dr. Mercado is absolutely one of the most personable, knowledgeable doctors I've ever had.
April 27, 2025
5
I was anxious before the appointment, but when I was seen by the doctor, who gave me all the necessary information, I was happy.
April 24, 2025
5
everyone was very attentive, would continue to see my Dr.
April 23, 2025
5
I congratulate them because, in general, their staff is very attentive and very professional. From the moment I walked into Green Romo, they showed kindness and made me feel comfortable explaining my condition. Dr. Mercado demonstrated her competence and professionalism by guiding me based on my condition and current situation.
April 18, 2025
5
Dr. Mercado is very considerate and a very good doctor, thank you.
April 19, 2025
5
The staff did not rush, they were very attentive and knowledgeable The doctors as always was amazing
April 10, 2025
5
Been going awhile to see this doctor and have never had an issue. I would recommend her to anyone. Wonderful doctor!
April 10, 2025
5
She did not ask me many questions ....
April 10, 2025
5
Dr. Mercado's experience and ethics reflects in the way she treated me in my first doctors appointment. Not just one more patient in my portfolio!!! She demonstrated me that humans are more important than what materialism is all about in our present society. Dr. Mercado goes above and beyond a previous cardiologist I had with Wellcare
April 4, 2025
5
Dr Mercado is friendly and very professional
March 31, 2025
5
Always a good visit.
March 30, 2025
5
Just the waiting time. It was too long.
March 30, 2025
5
Dr. Mercado is Excellent. Explains everything so you understand it fully. Great bedside manner
March 28, 2025
5
Very good doctor and the entire team in that cardiology area
March 26, 2025
5
The staff and Dr. Mercado was very professional. The doctor listen to my concerns and needs.
March 26, 2025
4
Dr Mercado was difficult to understand at times. At times she also had difficulty saying what she wanted to say. Needs a little better understanding of English.
April 27, 2025
4
The consultations are very quick, and there is no extra time to clarify all the doubts. Otherwise everything is excellent!
March 29, 2025
4
Dr Mercado was difficult to understand at times. At times she also had difficulty saying what she wanted to say. Needs a little better understanding of English.
April 27, 2025
4
The consultations are very quick, and there is no extra time to clarify all the doubts. Otherwise everything is excellent!
March 29, 2025
5
I recommend Dr Mercado to friends and family with heart questions or concerns
May 16, 2025
5
Dr Mercado and all her team members were very professional, kind and helpful. Best group of people!
May 8, 2025
5
Scheduling and reception staff were very professional.
May 2, 2025
5
Everyone was kind and professional. The woman at the front desk was especially pleasant and I thanked her for it. Dr. Mercado was wonderful.
April 30, 2025
5
I feel very comfortable with the whole staff
April 30, 2025
5
Good experience
April 30, 2025
5
I have been a patient with Dr.Mercado for nearly 13 years
April 30, 2025
5
Very good
April 27, 2025
5
The love and kindness was very much appreciated. Thank you so much. A great staff. Thank you and a wonderful doctor. Bye-bye.
April 30, 2025
5
No comments, everything is excellent.
April 27, 2025
5
Good kindness and excellent professionalism
April 27, 2025
5
I really didn't see them wash or disinfect their hands.
April 24, 2025
5
I would like to say that Dr. Mercado has excellent bedside manner and she's very relatable and a joy to be with because she's also funny and she helps you to calm down and relax and not be so worried. But she's definitely straight to the point and just a great doctor and I really appreciate her. So, thank you, doctor.
April 27, 2025
5
Dr. Mercado is absolutely one of the most personable, knowledgeable doctors I've ever had.
April 27, 2025
5
I was anxious before the appointment, but when I was seen by the doctor, who gave me all the necessary information, I was happy.
April 24, 2025
5
everyone was very attentive, would continue to see my Dr.
April 23, 2025
5
I congratulate them because, in general, their staff is very attentive and very professional. From the moment I walked into Green Romo, they showed kindness and made me feel comfortable explaining my condition. Dr. Mercado demonstrated her competence and professionalism by guiding me based on my condition and current situation.
April 18, 2025
5
Dr. Mercado is very considerate and a very good doctor, thank you.
April 19, 2025
5
The staff did not rush, they were very attentive and knowledgeable The doctors as always was amazing
April 10, 2025
5
Been going awhile to see this doctor and have never had an issue. I would recommend her to anyone. Wonderful doctor!
April 10, 2025
5
She did not ask me many questions ....
April 10, 2025
5
Dr. Mercado's experience and ethics reflects in the way she treated me in my first doctors appointment. Not just one more patient in my portfolio!!! She demonstrated me that humans are more important than what materialism is all about in our present society. Dr. Mercado goes above and beyond a previous cardiologist I had with Wellcare
April 4, 2025
5
Dr Mercado is friendly and very professional
March 31, 2025
5
Always a good visit.
March 30, 2025
5
Just the waiting time. It was too long.
March 30, 2025
5
Dr. Mercado is Excellent. Explains everything so you understand it fully. Great bedside manner
March 28, 2025
5
Very good doctor and the entire team in that cardiology area
March 26, 2025
5
The staff and Dr. Mercado was very professional. The doctor listen to my concerns and needs.
March 26, 2025
5
I recommend Dr Mercado to friends and family with heart questions or concerns
May 16, 2025
5
Dr Mercado and all her team members were very professional, kind and helpful. Best group of people!
May 8, 2025
5
Scheduling and reception staff were very professional.
May 2, 2025
5
The love and kindness was very much appreciated. Thank you so much. A great staff. Thank you and a wonderful doctor. Bye-bye.
April 30, 2025
5
Everyone was kind and professional. The woman at the front desk was especially pleasant and I thanked her for it. Dr. Mercado was wonderful.
April 30, 2025
5
I have been a patient with Dr.Mercado for nearly 13 years
April 30, 2025
5
I feel very comfortable with the whole staff
April 30, 2025
5
Good experience
April 30, 2025
5
No comments, everything is excellent.
April 27, 2025
5
Very good
April 27, 2025
5
Good kindness and excellent professionalism
April 27, 2025
5
I would like to say that Dr. Mercado has excellent bedside manner and she's very relatable and a joy to be with because she's also funny and she helps you to calm down and relax and not be so worried. But she's definitely straight to the point and just a great doctor and I really appreciate her. So, thank you, doctor.
April 27, 2025
4
Dr Mercado was difficult to understand at times. At times she also had difficulty saying what she wanted to say. Needs a little better understanding of English.
April 27, 2025
5
Dr. Mercado is absolutely one of the most personable, knowledgeable doctors I've ever had.
April 27, 2025
5
I was anxious before the appointment, but when I was seen by the doctor, who gave me all the necessary information, I was happy.
April 24, 2025
5
I really didn't see them wash or disinfect their hands.
April 24, 2025
5
everyone was very attentive, would continue to see my Dr.
April 23, 2025
5
Dr. Mercado is very considerate and a very good doctor, thank you.
April 19, 2025
5
I congratulate them because, in general, their staff is very attentive and very professional. From the moment I walked into Green Romo, they showed kindness and made me feel comfortable explaining my condition. Dr. Mercado demonstrated her competence and professionalism by guiding me based on my condition and current situation.
April 18, 2025
5
Been going awhile to see this doctor and have never had an issue. I would recommend her to anyone. Wonderful doctor!
April 10, 2025
5
The staff did not rush, they were very attentive and knowledgeable The doctors as always was amazing
April 10, 2025
5
She did not ask me many questions ....
April 10, 2025
5
Dr. Mercado's experience and ethics reflects in the way she treated me in my first doctors appointment. Not just one more patient in my portfolio!!! She demonstrated me that humans are more important than what materialism is all about in our present society. Dr. Mercado goes above and beyond a previous cardiologist I had with Wellcare
April 4, 2025
5
Dr Mercado is friendly and very professional
March 31, 2025
5
Always a good visit.
March 30, 2025
5
Just the waiting time. It was too long.
March 30, 2025
4
The consultations are very quick, and there is no extra time to clarify all the doubts. Otherwise everything is excellent!
March 29, 2025
5
Dr. Mercado is Excellent. Explains everything so you understand it fully. Great bedside manner
March 28, 2025
5
The staff and Dr. Mercado was very professional. The doctor listen to my concerns and needs.
March 26, 2025
5
Very good doctor and the entire team in that cardiology area
March 26, 2025
5
Very good doctor and the entire team in that cardiology area
March 26, 2025
5
The staff and Dr. Mercado was very professional. The doctor listen to my concerns and needs.
March 26, 2025
5
Dr. Mercado is Excellent. Explains everything so you understand it fully. Great bedside manner
March 28, 2025
4
The consultations are very quick, and there is no extra time to clarify all the doubts. Otherwise everything is excellent!
March 29, 2025
5
Just the waiting time. It was too long.
March 30, 2025
5
Always a good visit.
March 30, 2025
5
Dr Mercado is friendly and very professional
March 31, 2025
5
Dr. Mercado's experience and ethics reflects in the way she treated me in my first doctors appointment. Not just one more patient in my portfolio!!! She demonstrated me that humans are more important than what materialism is all about in our present society. Dr. Mercado goes above and beyond a previous cardiologist I had with Wellcare
April 4, 2025
5
She did not ask me many questions ....
April 10, 2025
5
The staff did not rush, they were very attentive and knowledgeable The doctors as always was amazing
April 10, 2025
5
Been going awhile to see this doctor and have never had an issue. I would recommend her to anyone. Wonderful doctor!
April 10, 2025
5
I congratulate them because, in general, their staff is very attentive and very professional. From the moment I walked into Green Romo, they showed kindness and made me feel comfortable explaining my condition. Dr. Mercado demonstrated her competence and professionalism by guiding me based on my condition and current situation.
April 18, 2025
5
Dr. Mercado is very considerate and a very good doctor, thank you.
April 19, 2025
5
everyone was very attentive, would continue to see my Dr.
April 23, 2025
5
I really didn't see them wash or disinfect their hands.
April 24, 2025
5
I was anxious before the appointment, but when I was seen by the doctor, who gave me all the necessary information, I was happy.
April 24, 2025
5
Dr. Mercado is absolutely one of the most personable, knowledgeable doctors I've ever had.
April 27, 2025
4
Dr Mercado was difficult to understand at times. At times she also had difficulty saying what she wanted to say. Needs a little better understanding of English.
April 27, 2025
5
I would like to say that Dr. Mercado has excellent bedside manner and she's very relatable and a joy to be with because she's also funny and she helps you to calm down and relax and not be so worried. But she's definitely straight to the point and just a great doctor and I really appreciate her. So, thank you, doctor.
April 27, 2025
5
Good kindness and excellent professionalism
April 27, 2025
5
Very good
April 27, 2025
5
No comments, everything is excellent.
April 27, 2025
5
Good experience
April 30, 2025
5
I feel very comfortable with the whole staff
April 30, 2025
5
I have been a patient with Dr.Mercado for nearly 13 years
April 30, 2025
5
Everyone was kind and professional. The woman at the front desk was especially pleasant and I thanked her for it. Dr. Mercado was wonderful.
April 30, 2025
5
The love and kindness was very much appreciated. Thank you so much. A great staff. Thank you and a wonderful doctor. Bye-bye.
April 30, 2025
5
Scheduling and reception staff were very professional.
May 2, 2025
5
Dr Mercado and all her team members were very professional, kind and helpful. Best group of people!
May 8, 2025
5
I recommend Dr Mercado to friends and family with heart questions or concerns
May 16, 2025
Ada Mercado, MD
Cardiovascular Disease Specialist with Wellstar since 2010
Rating
4.6
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Specialties
Cardiovascular Disease
, Cardiology
Education
Doctor of Medicine
Medical School
Universidad Nacional Pedro Henriquez Urena
Residency
Ramon Betances HospitalMayaguez Medical Center
Fellowship
Emory Healthcare/Emory University Hospital LSU Health Sciences Center Ponce School of Medicine
Certifications
National Board of Physicians and Surgeons
Spoken Languages
English and Spanish
Hospital Affiliations
Wellstar Kennestone Hospital Wellstar North Fulton Hospital Wellstar Douglas Hospital Wellstar Cobb Hospital
Office Locations
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www.wellstar.org/physicians/ada-mercado-md
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