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Wellstar Center for Cardiovascular Care

4550 Cobb Parkway North NW
Suite 213
Acworth, GA 30101
Our Areas of Focus

Leading Expertise

Our team of physicians have advanced training and are often double and triple board-certified in cardiac specialties to provide the highest level of expertise and care. 

Advanced Treatments

Our experts offer state-of-the-art technology, treatments, complex surgery and clinical trials that are not often found at community hospitals.  

Patient-Centered Care

We understand every person is unique, so our heart specialists create a personalized treatment plan to help you achieve your best heart health.

Comprehensive Services

From routine to complex heart conditions, our multidisciplinary team of cardiovascular experts work together to offer comprehensive care for the heart, body and mind. 

  • Wellstar Center for Cardiovascular Care
  • About Us
  • Our Team
  • Info
(770) 974-8479 Book with MyChart COVID-19 Info

Location


About Us

About Us

The Wellstar Center for Cardiovascular Care offers nationally-recognized comprehensive heart care. Our team of heart experts includes board-certified doctors who subspecialize in different areas so patients have access to the care they need, when they need it. We work closely with all heart subspecialists at Wellstar and can connect you with electrophysiologists, structural heart specialists, cardiovascular surgeons, advanced heart failure specialists and more.

From routine to complex cardiovascular disease, our doctors are experts in creating a tailor-made treatment plan that’s right for you. Physicians at this location offer patients high-quality care in the following areas:

  • General cardiology for a variety of heart conditions
  • Heart rhythm disorders
  • Interventional cardiology
  • Perinatal cardiology

General cardiology

Wellstar cardiologists offer the latest innovations and clinical therapies to help you reach your best cardiovascular health. We focus our skill and expertise on crafting a treatment plan tailored for you. Learn more about general cardiology at Wellstar.

Heart rhythm disorders

Cardiac electrophysiologists at Wellstar offer treatment for atrial fibrillation (A-fib) and heart arrhythmias with advanced diagnostic and treatment technology. Learn more about heart rhythm disorder care at Wellstar.

Interventional cardiology

Wellstar’s highly-skilled interventional cardiologists use catheter-based techniques to stop and prevent heart attacks, and ultimately, to save lives. These minimally-invasive treatments are an alternative to open-heart surgery, with a shorter hospital stay, a faster recovery and less pain. Learn more about interventional cardiology at Wellstar.

Perinatal cardiology

Our Wellstar Perinatal Cardiology Clinic, a partnership between Women’s Health and Cardiovascular Medicine, provides expert, caring cardiac support for pregnant and postpartum women. Learn more about perinatal cardiology at Wellstar.

Office Location
4550 Cobb Parkway North NW
Suite 213
Acworth, GA 30101

Contact

Phone (770) 974-8479

Fax (770) 974-8710


Hours
Monday: 7:45 AM-5:00 PM Tuesday: 7:45 AM-5:00 PM Wednesday: 7:45 AM-5:00 PM Thursday: 7:45 AM-5:00 PM Friday: 7:45 AM-5:00 PM
Closed Opens 7:45 AM

(770) 974-8479 Book with MyChart COVID-19 Info
Meet our Team

Venu Sajja, MD

Cardiovascular Disease Specialist with Wellstar since 2007.

Specialties
Cardiovascular Disease
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Nydia Bladuell, MD

Cardiologist with Wellstar since 1994.

Specialties
Cardiovascular Disease
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Hardik Bhansali, MD

Cardiovascular Disease Specialist with Wellstar since 2020.

Specialties
Cardiovascular Disease
Learn More Book with MyChart
Ayushi Ahuja, MD

Cardiovascular Disease Specialist with Wellstar since 2013.

Specialties
Cardiovascular Disease
Learn More Book with MyChart
Tushar Ramesh, MD

Cardiovascular Disease Specialist with Wellstar since 2025.

Specialties
Cardiovascular Disease
Learn More Book with MyChart
Cheryl Robertson, MD

Cardiologist with Wellstar since 2016.

Specialties
Interventional Cardiology
Learn More Book with MyChart
David Caras, MD

Cardiovascular Disease Specialist with Wellstar since 1993.

Specialties
Cardiovascular Disease
Learn More Book with MyChart
Amy Elsass, MD

Cardiologist with Wellstar since 2009.

Specialties
Interventional Cardiology
Learn More
Osagie Okundaye, MD

Cardiovascular Disease Specialist with Wellstar since 2009.

Specialties
Cardiovascular Disease
Learn More Book with MyChart
See More Results

Meet our Team

Venu Sajja, MD

Cardiovascular Disease Specialist with Wellstar since 2007.

Specialties
Cardiovascular Disease
Learn More Book with MyChart
Nydia Bladuell, MD

Cardiologist with Wellstar since 1994.

Specialties
Cardiovascular Disease
Learn More Book with MyChart
Hardik Bhansali, MD

Cardiovascular Disease Specialist with Wellstar since 2020.

Specialties
Cardiovascular Disease
Learn More Book with MyChart
Ayushi Ahuja, MD

Cardiovascular Disease Specialist with Wellstar since 2013.

Specialties
Cardiovascular Disease
Learn More Book with MyChart
Tushar Ramesh, MD

Cardiovascular Disease Specialist with Wellstar since 2025.

Specialties
Cardiovascular Disease
Learn More Book with MyChart
Cheryl Robertson, MD

Cardiologist with Wellstar since 2016.

Specialties
Interventional Cardiology
Learn More Book with MyChart
David Caras, MD

Cardiovascular Disease Specialist with Wellstar since 1993.

Specialties
Cardiovascular Disease
Learn More Book with MyChart
Amy Elsass, MD

Cardiologist with Wellstar since 2009.

Specialties
Interventional Cardiology
Learn More
Osagie Okundaye, MD

Cardiovascular Disease Specialist with Wellstar since 2009.

Specialties
Cardiovascular Disease
Learn More Book with MyChart

Venu Sajja, MD

Cardiovascular Disease Specialist with Wellstar since 2007.

Specialties
Cardiovascular Disease
Education
Doctor of Medicine
Patient Rating

Dr. Sajja is board certified in internal medicine, Cardiovascular Disease and nuclear cardiology. He completed his undergraduate studies at Indiana University and earned his medical degree at Ross University School of Medicine in Dominica, West Indies. Dr. Sajja completed his internal medicine internship at the Medical College of Pennsylvania-Hahnemann University and his residency at Drexel University. He also completed a fellowship in Cardiovascular Disease at West Virginia University.

His special interests include coronary artery disease, nuclear cardiology and echocardiography.  Dr. Sajja joined Wellstar Medical Group, Cardiovascular Medicine in April 2009.  He is currently on staff at Wellstar Kennestone Hospital.

Dr. Sajja is a member of the American College of Cardiology, the American Society of Echocardiography and the American Society of Nuclear Cardiology.  He is fluent in Telugu.

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Nydia Bladuell, MD

Cardiologist with Wellstar since 1994.

Specialties
Cardiovascular Disease
Education
Doctor of Medicine
Patient Rating

Dr. Nydia Bladuell is board-certified in cardiovascular disease and interventional cardiology. She earned her medical degree in 1986 at the Universidad Central del Caribe in Puerto Rico where she graduated with honors at the top of her class. Dr. Bladuell completed her internal medicine internship and residency at Cabrini Medical Center in New York City, where she was Chief Resident her senior year followed by a fellowship in cardiovascular disease at Seton Hall University St. Joseph’s Hospital & Medical Center where she was Chief Cardiology Fellow her senior year.

Her special interests include non-coronary intervention, nuclear cardiology, peripheral vascular disease, and women and heart disease.

Dr. Bladuell joined Wellstar Cardiovascular Medicine in April, 2009. She is currently on staff at Wellstar Kennestone and Cobb hospitals.

Dr. Bladuell is a member of the American College of Cardiology, the American Medical Association, the American College of Physicians, the American Heart Association, the American Society of Internal Medicine, the American Society of Nuclear Cardiology, and was selected as one of America’s Top Cardiologists for 2010.

Dr. Bladuell is married. Her hobbies include exercise and golf. She is fluent in Spanish.

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Hardik Bhansali, MD

Cardiovascular Disease Specialist with Wellstar since 2020.

Specialties
Cardiovascular Disease
Education
Bachelors in Medicine/Surgery
Patient Rating

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Ayushi Ahuja, MD

Cardiovascular Disease Specialist with Wellstar since 2013.

Specialties
Cardiovascular Disease
Education
Doctor of Medicine
Patient Rating

Dr. Ayushi Ahuja received her bachelor’s degree in biomedical engineering with a concentration in computer science from Johns Hopkins University in Baltimore. She earned her medical degree from Emory University School of Medicine. Dr. Ahuja completed her residency through the J. Willis Hurst Internal Medicine Program at Emory University. Dr. Ahuja’s fellowship in cardiology also was completed at Emory University. She is board certified in echocardiography.

Dr. Ahuja is currently in practice with Wellstar Medical Group – Cardiovascular Medicine.

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Tushar Ramesh, MD

Cardiovascular Disease Specialist with Wellstar since 2025.

Specialties
Cardiovascular Disease
Education
Doctor of Medicine
Patient Rating

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Cheryl Robertson, MD

Cardiologist with Wellstar since 2016.

Specialties
Interventional Cardiology
Education
Doctor of Medicine
Patient Rating

Dr. Cheryl Robertson received her bachelor’s degree from Alabama State University in Montgomery, Ala. She received her medical degree from the University of Alabama School of Medicine in Birmingham, Ala. Dr. Robertson completed her internal medicine residency at Duke University Medical Center in Durham, N.C. She completed her cardiology and interventional cardiology fellowship at Vanderbilt University in Nashville, Tenn.

Dr. Robertson is board certified in Interventional Cardiology, Cardiovascular Disease and Internal Medicine and general cardiology. She is a member of the American College of Cardiology, American Heart Association and Society for Cardiac and Angiography and Interventions.

Dr. Robertson currently is in practice with Wellstar Cardiovascular Medicine.

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David Caras, MD

Cardiovascular Disease Specialist with Wellstar since 1993.

Specialties
Cardiovascular Disease
Education
Doctor of Medicine
Patient Rating

Dr. David Caras, FACC, an invasive cardiologist, is a native of Cobb County where he attended North Cobb High School. He has fulfilled his desire to practice medicine in his hometown community.

After receiving his medical degree from the Medical College of Georgia in 1988, he completed an internal medicine internship and residency at the University of Virginia. This was followed by a cardiology fellowship at Emory University, which was completed in 1994.

Dr. Caras, who is board-certified in internal medicine and cardiology, joined Wellstar in June, 1994. He is level III trained in echocardiography and is especially interested in valvular heart disease, heart failure, and nuclear cardiology.

He is currently on staff at Wellstar Cobb, Douglas and Kennestone hospitals. Dr. Caras is a fellow of the American College of Cardiology, the American Heart Association, the Medical Association of Georgia, and the Cobb County Medical Society.

Dr. Caras enjoys sports, hiking, camping, and gardening. He is married and the father of two children.

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Amy Elsass, MD

Cardiologist with Wellstar since 2009.

Specialties
Interventional Cardiology
Education
Doctor of Medicine
Patient Rating

Dr. Elsass is board certified in internal medicine, cardiovascular medicine and interventional cardiology.  She completed her undergraduate degree at Albright College in Reading, Penn., and graduated from medical school at MCP Hahnemann School of Medicine in Philadelphia.  She completed an internal medicine residency at Duke University in Durham, N.C., and a Cardiovascular Disease fellowship at the Cleveland Clinic Foundation in Cleveland, Ohio. During fellowship, she developed an great interest in general interventional cardiology and went on to complete an interventional cardiology fellowship at Emory University in Atlanta. 

Prior to joining Wellstar Medical Group, Cardiovascular Medicine in 2009 as an interventional cardiologist, she practiced for two years as an interventional cardiologist in Columbia, S.C., where she implemented a program for percutaneous structural heart disease intervention at Palmetto Health Richland Memorial Hospital.  She also started a program for cardiovascular disease in women. Dr. Elsass is on staff at Wellstar Kennestone Hospital. 

 
 

Osagie Okundaye, MD

Cardiovascular Disease Specialist with Wellstar since 2009.

Specialties
Cardiovascular Disease
Education
Doctor of Medicine
Patient Rating

Dr. Okundaye is board-certified in cardiovascular disease. He earned his medical degree and completed his internship at the University of Lagos in Nigeria. He completed his residency and a cardiology fellowship at Columbia University, Harlem Hospital along with a cardiology fellowship at the Medical College of Pennsylvania, Hahnemann University School of Medicine.

Dr. Okundaye’s special interests include cardiac imaging and coronary angiography.

He joined Wellstar Medical Group, Cardiovascular Medicine in November 2009 and is currently on staff at Wellstar Kennestone Hospital. Dr. Okundaye is a fellow of the American College of Cardiology and a member of the American Society of Nuclear Cardiology and the American Society of Echocardiography.

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Helpful Information for your next visit.

  • Appointments and Cancellations
  • Insurance and Referrals
  • Prescription Refills
  • Printable Office Forms
  • Imaging Services
  • Lab Services
  • Cardiac Rehabilitation
Appointments and Cancellations
Please call our office or book online through MyChart to schedule an appointment. Same-day visits are available for urgent health issues. 

You are responsible to notify us of cancellations. We ask that all appointments be canceled 24 hours prior to the appointment. If you are more than 15 minutes late for your appointment, it will need to be rescheduled.

We use an automated appointment reminder system to notify patients two days prior to your appointment. 
 
Insurance and Payments
Wellstar accepts most medical insurance plans. We work hard to create lasting relationships with insurance companies to ensure you can receive the care you need.

Please call our office if you need help understanding your insurance coverage and financial responsibility.

Referrals

We do not require a referral to schedule an appointment. However, sometimes insurance plans require a referral for office visits. If that is the case with your insurance plan, a referral must be received prior to your visit.
Prescription Refills
Please call your pharmacy to request prescription refills. We respond within 48 business hours.
Printable Office Forms
Authorization for Release of PHI
Authorization for Release of PHI Spanish
Insurance Payment
Financial Policy and Privacy Info
Patient Demographics Information
MyChart Adult Proxy
MyChart Child Proxy
MyChart Teen Proxy
Notice of Privacy Practices Acknowledgement
Notice of Privacy Practices Acknowledgement Spanish
Patient Communication Designation
Patient Communication Designation Spanish
Patient Registration
Patient Registration Spanish
Imaging Services
Some basic diagnostics — such as EKGs — are performed in our office. 

We partner with Wellstar Cardiac Diagnostic at Wellstar Acworth Health Park  to provide state-of-the-art cardiac imaging. We provide quality results with the most advanced technology, registered technologists and board-certified cardiac radiologists.
 
Learn more about cardiac diagnostics at Wellstar.


AVHP Imaging

Lab Services
Wellstar Lab Services has skilled lab technicians ready to help with your lab tests, conveniently located in our building.

Visit Lab Services at Wellstar Acworth Health Park to learn more.

Wellstar doctor and patient
Cardiac Rehabilitation
Wellstar’s world-class cardiac rehabilitation team works together to help people learn lifelong heart-healthy behaviors and lower their risk for future heart issues.

The goal of cardiac rehabilitation is to significantly decrease or eliminate the risk factors that cause a progression of coronary artery disease. We start with a thorough evaluation, then create a plan of monitored exercise, lifestyle education and emotional support designed just for you.

Learn more about cardiac rehabilitation at Wellstar and find the location nearest you.

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About Wellstar Diversity Equity Inclusion & Belonging Leadership Wellstar Board of Trustees Healthcare Innovation Safety First Commitment Wellstar Research Institute Latest News

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Pay Your Bill Accepted Insurance

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Contact Us Hospital Transparency Information Price Transparency Policy and Privacy Information

MEDIA

Media Room

COMMUNITY CARE

Community Care
In the Community Health Highlights Events & Classes
For Business
Corporate Purchasing Community Health Needs Assesment
Give
Wellstar Foundation Donate Ways to Give Volunteer

ABOUT US

About Wellstar Diversity Equity Inclusion & Belonging Leadership Wellstar Board of Trustees Healthcare Innovation Safety First Commitment Wellstar Research Institute Latest News

CAREERS & EDUCATION

Careers at Wellstar Graduate Medical Education Pharmacy Residency

PATIENT RESOURCES

Pay Your Bill Accepted Insurance

HELP

Contact Us Hospital Transparency Information Price Transparency Policy and Privacy Information

MEDIA

Media Room

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