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)
- Congestive Heart Failure
Patient Reviews
Overall patient rating
4.6Based on 524 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 was able to quickly get checked in and did not have to wait at all before being called back to see Dr. Mercado. I felt she took the correct amount of time listening to my concerns and was able to give ample feedback in a caring manner.
March 6, 2025
5
As always, both Dr. Mercado and her staff were kind, helpful, and made me feel very comfortable. I have every confidence in them.
March 6, 2025
5
Everyone was great from the receptionist to the nurse and doctor.
March 5, 2025
5
Dr.Mercado is personable, cares about your recovery, always positive.
March 2, 2025
4
The office visit was fine today but whoever I spoke to to set up the appointment was rude and unhelpful.
February 24, 2025
5
Caring and friendly staff
February 19, 2025
5
I left there feeling like the doctor really heard me today and was very concerned about me. I really just hate the fact that it will take a month to get the test. I have been dealing with this chest pain since the 13th of December. Sometimes it's hard to understand why it takes so long to get these tests. But that has nothing to do with the doctor's office my doctor's visit was fine
February 19, 2025
5
The staff were extremely kind and Dr. Mercado is the best.
February 14, 2025
5
They are very friendly and professional.
February 14, 2025
4
Everyone was very friendly.
February 10, 2025
5
A very good experience. You come away relaxed.
February 9, 2025
5
The facility was clean & the service was very professional. You felt at home as soon as you arrived. Staff greeting you welcomed. Did not have to wait at all, which is extremely unusual for a doctor's office. The tech as well as the doctor were very experienced & efficient.
February 9, 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
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
I was able to quickly get checked in and did not have to wait at all before being called back to see Dr. Mercado. I felt she took the correct amount of time listening to my concerns and was able to give ample feedback in a caring manner.
March 6, 2025
5
As always, both Dr. Mercado and her staff were kind, helpful, and made me feel very comfortable. I have every confidence in them.
March 6, 2025
5
Everyone was great from the receptionist to the nurse and doctor.
March 5, 2025
5
Dr.Mercado is personable, cares about your recovery, always positive.
March 2, 2025
5
Caring and friendly staff
February 19, 2025
5
I left there feeling like the doctor really heard me today and was very concerned about me. I really just hate the fact that it will take a month to get the test. I have been dealing with this chest pain since the 13th of December. Sometimes it's hard to understand why it takes so long to get these tests. But that has nothing to do with the doctor's office my doctor's visit was fine
February 19, 2025
5
The staff were extremely kind and Dr. Mercado is the best.
February 14, 2025
5
They are very friendly and professional.
February 14, 2025
5
A very good experience. You come away relaxed.
February 9, 2025
5
The facility was clean & the service was very professional. You felt at home as soon as you arrived. Staff greeting you welcomed. Did not have to wait at all, which is extremely unusual for a doctor's office. The tech as well as the doctor were very experienced & efficient.
February 9, 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
4
The office visit was fine today but whoever I spoke to to set up the appointment was rude and unhelpful.
February 24, 2025
4
Everyone was very friendly.
February 10, 2025
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
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
4
The office visit was fine today but whoever I spoke to to set up the appointment was rude and unhelpful.
February 24, 2025
4
Everyone was very friendly.
February 10, 2025
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
I was able to quickly get checked in and did not have to wait at all before being called back to see Dr. Mercado. I felt she took the correct amount of time listening to my concerns and was able to give ample feedback in a caring manner.
March 6, 2025
5
As always, both Dr. Mercado and her staff were kind, helpful, and made me feel very comfortable. I have every confidence in them.
March 6, 2025
5
Everyone was great from the receptionist to the nurse and doctor.
March 5, 2025
5
Dr.Mercado is personable, cares about your recovery, always positive.
March 2, 2025
5
Caring and friendly staff
February 19, 2025
5
I left there feeling like the doctor really heard me today and was very concerned about me. I really just hate the fact that it will take a month to get the test. I have been dealing with this chest pain since the 13th of December. Sometimes it's hard to understand why it takes so long to get these tests. But that has nothing to do with the doctor's office my doctor's visit was fine
February 19, 2025
5
The staff were extremely kind and Dr. Mercado is the best.
February 14, 2025
5
They are very friendly and professional.
February 14, 2025
5
A very good experience. You come away relaxed.
February 9, 2025
5
The facility was clean & the service was very professional. You felt at home as soon as you arrived. Staff greeting you welcomed. Did not have to wait at all, which is extremely unusual for a doctor's office. The tech as well as the doctor were very experienced & efficient.
February 9, 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
I was able to quickly get checked in and did not have to wait at all before being called back to see Dr. Mercado. I felt she took the correct amount of time listening to my concerns and was able to give ample feedback in a caring manner.
March 6, 2025
5
As always, both Dr. Mercado and her staff were kind, helpful, and made me feel very comfortable. I have every confidence in them.
March 6, 2025
5
Everyone was great from the receptionist to the nurse and doctor.
March 5, 2025
5
Dr.Mercado is personable, cares about your recovery, always positive.
March 2, 2025
4
The office visit was fine today but whoever I spoke to to set up the appointment was rude and unhelpful.
February 24, 2025
5
Caring and friendly staff
February 19, 2025
5
I left there feeling like the doctor really heard me today and was very concerned about me. I really just hate the fact that it will take a month to get the test. I have been dealing with this chest pain since the 13th of December. Sometimes it's hard to understand why it takes so long to get these tests. But that has nothing to do with the doctor's office my doctor's visit was fine
February 19, 2025
5
The staff were extremely kind and Dr. Mercado is the best.
February 14, 2025
5
They are very friendly and professional.
February 14, 2025
4
Everyone was very friendly.
February 10, 2025
5
A very good experience. You come away relaxed.
February 9, 2025
5
The facility was clean & the service was very professional. You felt at home as soon as you arrived. Staff greeting you welcomed. Did not have to wait at all, which is extremely unusual for a doctor's office. The tech as well as the doctor were very experienced & efficient.
February 9, 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
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
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
5
The facility was clean & the service was very professional. You felt at home as soon as you arrived. Staff greeting you welcomed. Did not have to wait at all, which is extremely unusual for a doctor's office. The tech as well as the doctor were very experienced & efficient.
February 9, 2025
5
A very good experience. You come away relaxed.
February 9, 2025
4
Everyone was very friendly.
February 10, 2025
5
They are very friendly and professional.
February 14, 2025
5
The staff were extremely kind and Dr. Mercado is the best.
February 14, 2025
5
I left there feeling like the doctor really heard me today and was very concerned about me. I really just hate the fact that it will take a month to get the test. I have been dealing with this chest pain since the 13th of December. Sometimes it's hard to understand why it takes so long to get these tests. But that has nothing to do with the doctor's office my doctor's visit was fine
February 19, 2025
5
Caring and friendly staff
February 19, 2025
4
The office visit was fine today but whoever I spoke to to set up the appointment was rude and unhelpful.
February 24, 2025
5
Dr.Mercado is personable, cares about your recovery, always positive.
March 2, 2025
5
Everyone was great from the receptionist to the nurse and doctor.
March 5, 2025
5
As always, both Dr. Mercado and her staff were kind, helpful, and made me feel very comfortable. I have every confidence in them.
March 6, 2025
5
I was able to quickly get checked in and did not have to wait at all before being called back to see Dr. Mercado. I felt she took the correct amount of time listening to my concerns and was able to give ample feedback in a caring manner.
March 6, 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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