High Quality Pediatric Care and Pediatric Cardiology
We are dedicated to bringing quality general pediatrics and heart care for your children in the Hill Country and greater San Antonio area. Dr. Riebel also has a passion for cardiovascular fitness and nutrition to help guide children, young adults, and families into heart healthy lifestyles. From cardiac clearance for young athletes to following children with congenital heart disease, we are here for your patients.

Happy Heart Pediatrics Mission Statement
Our purpose is simple…provide a welcoming environment for our patients and our patient’s families. It is our priority and collective passion to utilize our specialized skills in pediatrics and pediatrics cardiology to provide comfort, hope, and the best possible care to our patients. To do so we create individualized, goal-oriented plans of care based on professional insight and foresight, medical expertise and genuine empathy.
Our Services
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General Pediatrics
Newborn to Adolescent Well and Sick Visits, we here to help with all your pediatric needs.
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Pediatric Cardiology
Outpatient cardiac symptom evaluation and care for congenital cardiac patients.
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Fitness and Nutrition
Heart healthy diet and exercise consultations and follow up for kids and families.
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Sports Cardiology
Cardiac Clearance and Evaluation for young athletes.
"Dr. Riebel is very good! While under her care, I received fantastic treatment and advice that went beyond just prescriptions for issues I was having. She actively tries to find the root if the problem. I highly suggest using her as your cardiologist."
★★★★★
“Dr. Riebel has the most amazing compassion for patients. She is so knowledgeable in pediatric cardiac health and wellness and overall pediatric medicine!”
★★★★★
"Most of us our health is something we seldom worry about until we have to. Dr Riebel is someone that I can say I 100% trust to have caring for my children. In the darkest of hours having a Doctor that truly cares about your child and goes above and beyond to treat your child as through they are her own is a prayer answered She goes the extra mile and beyond…. I have trust and faith in her to care for my children and yours!"
★★★★★
“Dr. Riebel has the most amazing compassion for patients. She is so knowledgeable in pediatric cardiac health and wellness and overall pediatric medicine!”
★★★★★
“There are people in this world that do things for many reasons. Dr. Riebel is one that does a thing because it is the right thing to do. 100% trust her care and judgement! I am truly honored to have her as a trusted Doctor for my Family!”
★★★★★
"Most of us our health is something we seldom worry about until we have to. Dr Riebel is someone that I can say I 100% trust to have caring for my children. In the darkest of hours having a Doctor that truly cares about your child and goes above and beyond to treat your child as through they are her own is a prayer answered She goes the extra mile and beyond…. I have trust and faith in her to care for my children and yours!"
★★★★★
“There are people in this world that do things for many reasons. Dr. Riebel is one that does a thing because it is the right thing to do. 100% trust her care and judgement! I am truly honored to have her as a trusted Doctor for my Family!”
★★★★★
"Dr. Riebel is very good! While under her care, I received fantastic treatment and advice that went beyond just prescriptions for issues I was having. She actively tries to find the root if the problem. I highly suggest using her as your cardiologist."
★★★★★
News & Announcements
We are now a Credit Card on File Clinic
Happy Heart Pediatrics PLLC is committed to reducing waste and inefficiency and making our billing process as simple and easy as possible. Starting January 31, 2023, we now require that… Read More
Now accepting Pediatric Allergy Testing Appointments.
Pediatric Allergy Testing Needle-free Testing The first step to ending allergies in your child is to find out exactly which allergens are causing your annoying and even debilitating symptoms. How?… Read More
Schedule Your Child’s Flu Shot Today!
We now have pediatric flu shots in stock so schedule your child’s flu shot today!
Proudly Part of Privia Health

Happy Heart Pediatrics is proudly part of Privia Health. Privia connects us with leading doctors in the community to transform healthcare by delivering high-quality, coordinated care that is centered on our patients.
To learn more about the resources that help you manage your healthcare, or to find other Privia doctors, visit their website.
Patient Portal
Access your personal health information and test results, securely message your care team, and manage payments, all from one spot and at your convenience, 24/7.
- See your provider's openings and schedule appointments.
- Review prescription medications and request renewals.
- View payment history and pay current invoices.

Texas Medical Board Notice
Approved Complaint Notice TMB Rule 178.3:
(b) Approved English Notification Statement. NOTICE CONCERNING COMPLAINTS, Complaints about physicians, as well as other licensees and registrants of the Texas Medical Board, including physician assistants, acupuncturists, and surgical assistants may be reported for investigation at the following address: Texas Medical Board, Attention: Investigations, 333 Guadalupe, Tower 3, Suite 610, P.O. Box 2018, MC-263, Austin, Texas 78768-2018, Assistance in filing a complaint is available by calling the following telephone number: 1-800-201-9353, For more information, please visit our website at www.tmb.state.tx.us.
(c) Approved Spanish Notification Statement. AVISO SOBRE LAS QUEJAS, Las quejas sobre médicos, asi como sobre otros profesionales acreditados e inscritos del Consejo Médico de Tejas, incluyendo asistentes de médicos, practicantes de acupuntura y asistentes de cirugia, se pueden presentar en la siguiente dirección para ser investigadas: Texas Medical Board, Attention: Investigations, 333 Guadalupe, Tower 3, Suite 610, P.O. Box 2018, MC-263, Austin, Texas 78768-2018, Si necesita ayuda para presentar una queja, llame al: 1-800-201- 9353, Para obtener más información, visite nuestro sitio web en www.tmb.state.tx.us