Sunshine Pediatrics OC

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Sunshine Pediatrics OC Cynthia Bui, MD, Jiyeon Kim, MD, Christine Kornu, MD & Sandy Lee, MD

Irvine, CA

Providing compassionate, respectful, and thoughtful care.

We are pediatricians, but we are also neighbors, mentors & advocates for children's well-being in the community.

With the recent rain across Orange County, we’re seeing more indoor germs and slippery surfaces.A few small reminders ca...
20/02/2026

With the recent rain across Orange County, we’re seeing more indoor germs and slippery surfaces.

A few small reminders can go a long way in keeping kids safe and healthy during storm season.

And as always — if something doesn’t seem right, trust your instincts and call your pediatrician.

Sending a little sunshine your way this week. ☀️💛

— Sunshine Pediatrics OC

Happy Lunar New Year 🧧✨As we welcome the Year of the Horse 🐎 — a symbol of energy, courage, and perseverance — we wish o...
17/02/2026

Happy Lunar New Year 🧧✨

As we welcome the Year of the Horse 🐎 — a symbol of energy, courage, and perseverance — we wish our families a year filled with health, happiness, and new beginnings.

— Sunshine Pediatrics OC

Pediatricians. Spreading sunshine & love. ☀️This Valentine’s Day, we’re grateful — for our community, for growing famili...
14/02/2026

Pediatricians. Spreading sunshine & love. ☀️

This Valentine’s Day, we’re grateful — for our community, for growing families, and for the opportunity to build something meaningful right here in Irvine.

Sunshine Pediatrics OC was created with heart. 🤍

We can’t wait to care for yours.

Sick days happen (especially now!) — and deciding whether to send your child to school isn’t always easy.Here’s a simple...
12/02/2026

Sick days happen (especially now!) — and deciding whether to send your child to school isn’t always easy.

Here’s a simple guide to help you decide 💛

Save this for later and share with another parent

☀️ Sunshine Pediatrics OC

Game day looks a little different around here 🏈Backyard plays, lots of laughs, and the best team we could ask for!🔊 Turn...
08/02/2026

Game day looks a little different around here 🏈
Backyard plays, lots of laughs, and the best team we could ask for!
🔊 Turn the sound on for the full game-day vibes

Who are you rooting for today? 👇

Game day looks a little different around here 🏈Backyard plays, lots of laughs, and the best team we could ask for. (Turn...
08/02/2026

Game day looks a little different around here 🏈
Backyard plays, lots of laughs, and the best team we could ask for. (Turn up 🔊on the post!)

Who are you rooting for today? 👇

Fever can be scary — but it’s often just the body doing its job.Focus on comfort, hydration, and rest, and don’t hesitat...
05/02/2026

Fever can be scary — but it’s often just the body doing its job.
Focus on comfort, hydration, and rest, and don’t hesitate to reach out if you’re worried 💛

— Sunshine Pediatrics OC

Sunshine looks good on everyone — even our pups, Winston, Kobe, and Kip 🐶🐾☀️We’re excited to share a little joy along th...
02/02/2026

Sunshine looks good on everyone — even our pups, Winston, Kobe, and Kip 🐶🐾☀️
We’re excited to share a little joy along the way!

— Sunshine Pediatrics OC

✨ Meet Dr. Cynthia Bui, MD, FAAP ✨Co-Founder and Pediatrician at Sunshine Pediatrics OCDr. Bui is a board-certified pedi...
27/01/2026

✨ Meet Dr. Cynthia Bui, MD, FAAP ✨
Co-Founder and Pediatrician at Sunshine Pediatrics OC

Dr. Bui is a board-certified pediatrician who has cared for children and families in Irvine since 2016. She earned her Bachelor of Science from Brown University and her medical degree from The Warren Alpert Medical School of Brown University. She then completed her pediatric residency at UC Irvine–Children’s Hospital of Orange County (CHOC).

Having grown up in Irvine herself, Dr. Bui feels deeply grateful to care for the community that shaped her. She is known for her thoughtful, thorough, and evidence-based approach and loves building long-term relationships with families from newborn care through adolescence. ☀️

Outside of work, Dr. Bui enjoys running, cheering on the Lakers and Cowboys, and adventuring with her golden retriever, Kobe, and goldendoodle, Winston.

Sunshine + fresh air + little feet = a great day 🌿👟Whether it’s a stroller walk, scooter ride, or a short run together, ...
24/01/2026

Sunshine + fresh air + little feet = a great day 🌿👟

Whether it’s a stroller walk, scooter ride, or a short run together, getting outside is good for growing bodies and busy minds.

Grab some water, wear sunscreen, and enjoy the sunshine ☀️

— Sunshine Pediatrics OC 💛

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