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
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)
- Congenital Atrial Septal Defect (ASD)
- Congestive Heart Failure
Patient Reviews
Overall patient rating
4.6Based on 520 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
Only reason I said 9 was because this is my first time meeting Dr. Mercado. She was most helpful, showed that she understood why I was consulting her and gave me good information about steps moving forward.
February 1, 2025
3
It's extremely stressful to always have the practice running late with appts. We schedule time off to visit Dr based on appointment times and when your time comes and goes by 30 mins to 1 hr causes me to be late getting back to work. It's disrespectful to patients to always overbook and run so far behind
February 1, 2025
5
Dr. Mercado provides excellent patient care. She always shares good information for healthy living. She is compassionate and positive, and cares about my health. She and her staff are the best!
January 30, 2025
5
I'm very grateful to Dr Mercado and her staff for getting me to the place I needed to be for treatment that probably saved my life!
January 30, 2025
4
Ask the patient about additional heart related incidents.
January 29, 2025
5
Excellent attention and professionalism, they explain in detail
January 26, 2025
5
Dr. Mercado was very thorough. She listened carefully for my concerns and she understood what my needs are. I thank you.
January 29, 2025
5
Fine
January 27, 2025
5
Starting fronm front desk to the doctor very friendly great attitude
January 25, 2025
5
She is an excellent cardiologist and takes very good care of my health.
January 23, 2025
5
Dr. Mercado is an excellent physician. She is friendly and knowledgeable!!!
January 16, 2025
5
Compliance with business hours is adequate
January 11, 2025
4
I still had questions, the doctor had questions on why I wasn't on like an Eloquus and I left there not sure if she was going to follow up on that or not.
January 12, 2025
5
Dr. Mercado and her staff are very kind, knowledgeable and compassionate, as always!
January 9, 2025
5
Dr Mercado and staff are wonderful!
January 8, 2025
4
I like the friendly staff, like Doctor Mercado she listens and explains well. I'm pleased with her advice and care.
January 5, 2025
3
Okay, everything seems fine to me, the only thing that would happen is that they have staff who speak Spanish. Thank you very much, my love.
January 1, 2025
5
She was the best cardiologist I have ever used!!!
December 29, 2024
5
Excellent attention
December 25, 2024
5
I love Dr. Mercado and her office staff. I always have a great experience.
December 22, 2024
5
Very Good
December 22, 2024
5
Doctor Mercado is a very compassionate and patient focused health care professional with excellent credentials, vast experience and strong interpersonal skills and traits that foster confidence in her level of care. I strongly recommend her as a wonderful cardiologist.
December 19, 2024
5
Dr. MERCADO IS VERY THOROUGH AND EXPLAINS YOUR MEDICAL STATUS EXTREMELY WELL . THE STAFF IS VERY FRIENDLY AND HELPFUL.
December 19, 2024
5
Not everything is going well
December 18, 2024
5
Excellent and careful attention with an excellent ethical and professional level!!!
December 17, 2024
5
Thank you for providing me the information I was very concerned about.
December 15, 2024
5
It was a good experience.
November 22, 2024
5
Sometimes Dr. Mercado, does not listen to me. She talks over me when I'm trying to tell her something. It happens every visit.
November 20, 2024
3
I would like to praise the nurse who attended to me, she is very sweet and funny.
November 20, 2024
5
They were really quick. The doctor listened to me very well and spoke with me very well. And the rest of the staff was also very kind.
November 16, 2024
5
Only reason I said 9 was because this is my first time meeting Dr. Mercado. She was most helpful, showed that she understood why I was consulting her and gave me good information about steps moving forward.
February 1, 2025
5
Dr. Mercado provides excellent patient care. She always shares good information for healthy living. She is compassionate and positive, and cares about my health. She and her staff are the best!
January 30, 2025
5
I'm very grateful to Dr Mercado and her staff for getting me to the place I needed to be for treatment that probably saved my life!
January 30, 2025
5
Excellent attention and professionalism, they explain in detail
January 26, 2025
5
Dr. Mercado was very thorough. She listened carefully for my concerns and she understood what my needs are. I thank you.
January 29, 2025
5
Fine
January 27, 2025
5
Starting fronm front desk to the doctor very friendly great attitude
January 25, 2025
5
She is an excellent cardiologist and takes very good care of my health.
January 23, 2025
5
Dr. Mercado is an excellent physician. She is friendly and knowledgeable!!!
January 16, 2025
5
Compliance with business hours is adequate
January 11, 2025
5
Dr. Mercado and her staff are very kind, knowledgeable and compassionate, as always!
January 9, 2025
5
Dr Mercado and staff are wonderful!
January 8, 2025
5
She was the best cardiologist I have ever used!!!
December 29, 2024
5
Excellent attention
December 25, 2024
5
I love Dr. Mercado and her office staff. I always have a great experience.
December 22, 2024
5
Very Good
December 22, 2024
5
Doctor Mercado is a very compassionate and patient focused health care professional with excellent credentials, vast experience and strong interpersonal skills and traits that foster confidence in her level of care. I strongly recommend her as a wonderful cardiologist.
December 19, 2024
5
Dr. MERCADO IS VERY THOROUGH AND EXPLAINS YOUR MEDICAL STATUS EXTREMELY WELL . THE STAFF IS VERY FRIENDLY AND HELPFUL.
December 19, 2024
5
Not everything is going well
December 18, 2024
5
Excellent and careful attention with an excellent ethical and professional level!!!
December 17, 2024
5
Thank you for providing me the information I was very concerned about.
December 15, 2024
5
It was a good experience.
November 22, 2024
5
Sometimes Dr. Mercado, does not listen to me. She talks over me when I'm trying to tell her something. It happens every visit.
November 20, 2024
5
They were really quick. The doctor listened to me very well and spoke with me very well. And the rest of the staff was also very kind.
November 16, 2024
4
Ask the patient about additional heart related incidents.
January 29, 2025
4
I still had questions, the doctor had questions on why I wasn't on like an Eloquus and I left there not sure if she was going to follow up on that or not.
January 12, 2025
4
I like the friendly staff, like Doctor Mercado she listens and explains well. I'm pleased with her advice and care.
January 5, 2025
3
It's extremely stressful to always have the practice running late with appts. We schedule time off to visit Dr based on appointment times and when your time comes and goes by 30 mins to 1 hr causes me to be late getting back to work. It's disrespectful to patients to always overbook and run so far behind
February 1, 2025
3
Okay, everything seems fine to me, the only thing that would happen is that they have staff who speak Spanish. Thank you very much, my love.
January 1, 2025
3
I would like to praise the nurse who attended to me, she is very sweet and funny.
November 20, 2024
3
It's extremely stressful to always have the practice running late with appts. We schedule time off to visit Dr based on appointment times and when your time comes and goes by 30 mins to 1 hr causes me to be late getting back to work. It's disrespectful to patients to always overbook and run so far behind
February 1, 2025
3
Okay, everything seems fine to me, the only thing that would happen is that they have staff who speak Spanish. Thank you very much, my love.
January 1, 2025
3
I would like to praise the nurse who attended to me, she is very sweet and funny.
November 20, 2024
4
Ask the patient about additional heart related incidents.
January 29, 2025
4
I still had questions, the doctor had questions on why I wasn't on like an Eloquus and I left there not sure if she was going to follow up on that or not.
January 12, 2025
4
I like the friendly staff, like Doctor Mercado she listens and explains well. I'm pleased with her advice and care.
January 5, 2025
5
Only reason I said 9 was because this is my first time meeting Dr. Mercado. She was most helpful, showed that she understood why I was consulting her and gave me good information about steps moving forward.
February 1, 2025
5
Dr. Mercado provides excellent patient care. She always shares good information for healthy living. She is compassionate and positive, and cares about my health. She and her staff are the best!
January 30, 2025
5
I'm very grateful to Dr Mercado and her staff for getting me to the place I needed to be for treatment that probably saved my life!
January 30, 2025
5
Excellent attention and professionalism, they explain in detail
January 26, 2025
5
Dr. Mercado was very thorough. She listened carefully for my concerns and she understood what my needs are. I thank you.
January 29, 2025
5
Fine
January 27, 2025
5
Starting fronm front desk to the doctor very friendly great attitude
January 25, 2025
5
She is an excellent cardiologist and takes very good care of my health.
January 23, 2025
5
Dr. Mercado is an excellent physician. She is friendly and knowledgeable!!!
January 16, 2025
5
Compliance with business hours is adequate
January 11, 2025
5
Dr. Mercado and her staff are very kind, knowledgeable and compassionate, as always!
January 9, 2025
5
Dr Mercado and staff are wonderful!
January 8, 2025
5
She was the best cardiologist I have ever used!!!
December 29, 2024
5
Excellent attention
December 25, 2024
5
I love Dr. Mercado and her office staff. I always have a great experience.
December 22, 2024
5
Very Good
December 22, 2024
5
Doctor Mercado is a very compassionate and patient focused health care professional with excellent credentials, vast experience and strong interpersonal skills and traits that foster confidence in her level of care. I strongly recommend her as a wonderful cardiologist.
December 19, 2024
5
Dr. MERCADO IS VERY THOROUGH AND EXPLAINS YOUR MEDICAL STATUS EXTREMELY WELL . THE STAFF IS VERY FRIENDLY AND HELPFUL.
December 19, 2024
5
Not everything is going well
December 18, 2024
5
Excellent and careful attention with an excellent ethical and professional level!!!
December 17, 2024
5
Thank you for providing me the information I was very concerned about.
December 15, 2024
5
It was a good experience.
November 22, 2024
5
Sometimes Dr. Mercado, does not listen to me. She talks over me when I'm trying to tell her something. It happens every visit.
November 20, 2024
5
They were really quick. The doctor listened to me very well and spoke with me very well. And the rest of the staff was also very kind.
November 16, 2024
3
It's extremely stressful to always have the practice running late with appts. We schedule time off to visit Dr based on appointment times and when your time comes and goes by 30 mins to 1 hr causes me to be late getting back to work. It's disrespectful to patients to always overbook and run so far behind
February 1, 2025
5
Only reason I said 9 was because this is my first time meeting Dr. Mercado. She was most helpful, showed that she understood why I was consulting her and gave me good information about steps moving forward.
February 1, 2025
5
Dr. Mercado provides excellent patient care. She always shares good information for healthy living. She is compassionate and positive, and cares about my health. She and her staff are the best!
January 30, 2025
5
I'm very grateful to Dr Mercado and her staff for getting me to the place I needed to be for treatment that probably saved my life!
January 30, 2025
5
Dr. Mercado was very thorough. She listened carefully for my concerns and she understood what my needs are. I thank you.
January 29, 2025
4
Ask the patient about additional heart related incidents.
January 29, 2025
5
Fine
January 27, 2025
5
Excellent attention and professionalism, they explain in detail
January 26, 2025
5
Starting fronm front desk to the doctor very friendly great attitude
January 25, 2025
5
She is an excellent cardiologist and takes very good care of my health.
January 23, 2025
5
Dr. Mercado is an excellent physician. She is friendly and knowledgeable!!!
January 16, 2025
4
I still had questions, the doctor had questions on why I wasn't on like an Eloquus and I left there not sure if she was going to follow up on that or not.
January 12, 2025
5
Compliance with business hours is adequate
January 11, 2025
5
Dr. Mercado and her staff are very kind, knowledgeable and compassionate, as always!
January 9, 2025
5
Dr Mercado and staff are wonderful!
January 8, 2025
4
I like the friendly staff, like Doctor Mercado she listens and explains well. I'm pleased with her advice and care.
January 5, 2025
3
Okay, everything seems fine to me, the only thing that would happen is that they have staff who speak Spanish. Thank you very much, my love.
January 1, 2025
5
She was the best cardiologist I have ever used!!!
December 29, 2024
5
Excellent attention
December 25, 2024
5
I love Dr. Mercado and her office staff. I always have a great experience.
December 22, 2024
5
Very Good
December 22, 2024
5
Dr. MERCADO IS VERY THOROUGH AND EXPLAINS YOUR MEDICAL STATUS EXTREMELY WELL . THE STAFF IS VERY FRIENDLY AND HELPFUL.
December 19, 2024
5
Doctor Mercado is a very compassionate and patient focused health care professional with excellent credentials, vast experience and strong interpersonal skills and traits that foster confidence in her level of care. I strongly recommend her as a wonderful cardiologist.
December 19, 2024
5
Not everything is going well
December 18, 2024
5
Excellent and careful attention with an excellent ethical and professional level!!!
December 17, 2024
5
Thank you for providing me the information I was very concerned about.
December 15, 2024
5
It was a good experience.
November 22, 2024
5
Sometimes Dr. Mercado, does not listen to me. She talks over me when I'm trying to tell her something. It happens every visit.
November 20, 2024
3
I would like to praise the nurse who attended to me, she is very sweet and funny.
November 20, 2024
5
They were really quick. The doctor listened to me very well and spoke with me very well. And the rest of the staff was also very kind.
November 16, 2024
5
They were really quick. The doctor listened to me very well and spoke with me very well. And the rest of the staff was also very kind.
November 16, 2024
3
I would like to praise the nurse who attended to me, she is very sweet and funny.
November 20, 2024
5
Sometimes Dr. Mercado, does not listen to me. She talks over me when I'm trying to tell her something. It happens every visit.
November 20, 2024
5
It was a good experience.
November 22, 2024
5
Thank you for providing me the information I was very concerned about.
December 15, 2024
5
Excellent and careful attention with an excellent ethical and professional level!!!
December 17, 2024
5
Not everything is going well
December 18, 2024
5
Doctor Mercado is a very compassionate and patient focused health care professional with excellent credentials, vast experience and strong interpersonal skills and traits that foster confidence in her level of care. I strongly recommend her as a wonderful cardiologist.
December 19, 2024
5
Dr. MERCADO IS VERY THOROUGH AND EXPLAINS YOUR MEDICAL STATUS EXTREMELY WELL . THE STAFF IS VERY FRIENDLY AND HELPFUL.
December 19, 2024
5
Very Good
December 22, 2024
5
I love Dr. Mercado and her office staff. I always have a great experience.
December 22, 2024
5
Excellent attention
December 25, 2024
5
She was the best cardiologist I have ever used!!!
December 29, 2024
3
Okay, everything seems fine to me, the only thing that would happen is that they have staff who speak Spanish. Thank you very much, my love.
January 1, 2025
4
I like the friendly staff, like Doctor Mercado she listens and explains well. I'm pleased with her advice and care.
January 5, 2025
5
Dr Mercado and staff are wonderful!
January 8, 2025
5
Dr. Mercado and her staff are very kind, knowledgeable and compassionate, as always!
January 9, 2025
5
Compliance with business hours is adequate
January 11, 2025
4
I still had questions, the doctor had questions on why I wasn't on like an Eloquus and I left there not sure if she was going to follow up on that or not.
January 12, 2025
5
Dr. Mercado is an excellent physician. She is friendly and knowledgeable!!!
January 16, 2025
5
She is an excellent cardiologist and takes very good care of my health.
January 23, 2025
5
Starting fronm front desk to the doctor very friendly great attitude
January 25, 2025
5
Excellent attention and professionalism, they explain in detail
January 26, 2025
5
Fine
January 27, 2025
4
Ask the patient about additional heart related incidents.
January 29, 2025
5
Dr. Mercado was very thorough. She listened carefully for my concerns and she understood what my needs are. I thank you.
January 29, 2025
5
Dr. Mercado provides excellent patient care. She always shares good information for healthy living. She is compassionate and positive, and cares about my health. She and her staff are the best!
January 30, 2025
5
I'm very grateful to Dr Mercado and her staff for getting me to the place I needed to be for treatment that probably saved my life!
January 30, 2025
5
Only reason I said 9 was because this is my first time meeting Dr. Mercado. She was most helpful, showed that she understood why I was consulting her and gave me good information about steps moving forward.
February 1, 2025
3
It's extremely stressful to always have the practice running late with appts. We schedule time off to visit Dr based on appointment times and when your time comes and goes by 30 mins to 1 hr causes me to be late getting back to work. It's disrespectful to patients to always overbook and run so far behind
February 1, 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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