Comprehensive care for kids, newborn to 18 years old

Pediatrician in McKinney
for Newsborns and Children

Pediatrician near you, in your neighborhood. Right off 380 / University Blvd and Coit Rd.

General Pediatrician located in Mckinney, TX now servicing neighboring areas of Frisco, Prosper, Allen, Plano, Little Elm, and Celina, TX

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Practice Updates

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A smiling, bright-eyed baby being held upright by a caregiver's hands, displayed in a soft pink organic circle frame on a black background.

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Make an Appointment

Big Smiles, Healthy Kids
Pediatric Care in McKinney, TX

General Pediatrician located in Mckinney, TX now servicing neighboring areas of Frisco, Prosper, Allen, Plano, Little Elm, and Celina, TX

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Make an Appointment

Newborn Care

Dr. Chung has additional experience taking care of newborns (premature or born on time!) as a NICU (neonatal ICU) physician. Meet with Dr. Chung to discuss any newborn issues
or concerns.

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Well-Child Care

Regularly scheduled visits to discuss achieving milestones, growth, and development. Also nutritional guidelines, vaccinations, and overall well-being.

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Adolescent Care

Annual visits to ensure our teenagers are growing well. Nutritional advice. School routines. Behavioral concerns.
Mental health. Vaccinations.

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Dr. Jennie Chung smiling warmly as a young girl in a white fuzzy jacket touches her face playfully on a pediatric exam table.

Welcome to Happy Bun Pediatrics!

Welcome to Happy Bun Pediatrics where keeping kids HEALTHY is our PASSION!

Happy Bun Pediatrics is a personalized boutique practice where we really love getting to know the KIDS and FAMILIES. We take pride in being family-friendly and making you feel more at ease.

Our expert board-certified pediatrician Dr. Chung believes every child is unique and deserves the HIGHEST QUALITY, personalized medical care.

As many of her established patient families know firsthand, Dr. Chung loves to take the time to build trust and hear from her patients! Through positive interaction, Dr. Chung is able to provide quality individualized care that combines a holistic approach with evidence-based science.

From Newborn Snuggles to Big Kid Smiles We’re Here for It All

Whether your child is a “BUN in the Oven” or a thriving teen, Dr. Chung is here to support their health every step of the way.

At Happy Bun Pediatrics, we provide comprehensive care from newborns to young adults, with expert staff dedicated to your child’s well-being.

Our Services Include:

Complimentary meet-the-doctor for expectant parents
Newborn care – in hospital (currently THR-Plano) and in office
Routine checkups, vaccinations, sports physicals
An effective patient-centered treatment plan for acute and chronic illnesses
Behavioral consultations
Specialists referrals
After-hours care

If it’s time for your little one’s checkup, or they are not feeling well, partner with Dr. Chung at Happy Bun Pediatrics! To make an appointment, call the office directly to speak with our friendly staff or click the online appointment-request booking tool today!

A DFW Child "Mom Approved 2022" award badge for Dr. Jennie Chung, MD, FAAP, Pediatrician, with the website dfwchild.com listed below.

A DFW Child Mom Approved 2024 award badge recognizing Dr. Jennie Chung MD, FAAP as a pediatrician.

A smiling baby in a diaper lying on a star-patterned blanket while a doctor listens to their chest with a stethoscope.

Dr. Jennie Chung standing and smiling in a yellow cardigan and floral blouse in front of two whimsical bubblegum animal paintings in her pediatric office.

Meet Your Doctor

Y.C. (Yu-Chen) Jennie Chung, MD, FAAP, is a board-certified pediatrician with 15 years of experience practicing Pediatrician in various settings, including hospitals, urgent care, and clinical offices.

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Caring for Your Child, Made Easy

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Make an Appointment

If your child has a cold or rash, or if you have any concerns, call to make an appointment with Dr.
Chung today!

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Patient Portal

For our active families, parents can get shot records, growth information, and more.

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Pay Bill

If you’ve received a bill from us, please use the link to submit payment. Thank you!

Schedule a Meet and Greet!

Are you a new or expecting parent? Schedule a meet and greet with the best pediatrician in McKinney today!

Trusted by Families, Loved by Kids

Every child deserves compassionate care, and every parent deserves peace of mind. See what families are saying about their experience with Happy Bun Pediatrics!

We totally love Dr. Chung. She is knowledgeable and answers all our questions patiently. We would totally recommend Dr. Chung if you want excellent care for your
little one.

Kanupriya P.

Dr Chung is the best, most compassionate, most mindful provider for my kid. We love her and don’t mind the extra drive to have the opportunity for her to care for my kid.

Amy T.

Dr. Chung is excellent! She has been our Pediatrician for years. WE LOVE how nice and how gentle she is with the kids. She listens to our concerns. Highly recommend to be your children’s Pediatrician.

Susie C.

My kids have been going to Dr. Chung since she opened her practice, and we LOVE her and the amazing people in her office! So happy we found Dr. Chung!

Kristen F.