Mom holding her baby
Smiling teen lounging on grass
Smiling child playing with plastic animals

Parenting help from Dr. Petit→ The Parenting Playbook 

A Great, Caring Medical Practice


At Williams and Petit Pediatrics in Catonsville, MD, we pride ourselves on being a caring and dedicated medical practice. Dr. Samuel Williams, Dr. Lisa W. Petit, and our friendly, supportive staff are committed to providing the highest quality medical care to our patients, from birth up to 26 years of age. 


What sets us apart as pediatricians is our unwavering commitment to listening, communicating, and working together with our patients. We believe in honest conversations and collaborative planning to address health concerns effectively.


At Williams and Petit Pediatrics, we are more than just a medical practice – we are a trusted partner in your health journey.


At Williams and Petit Pediatrics in Catonsville, MD, we pride ourselves on being a caring and dedicated medical practice. Dr. Samuel Williams, Dr. Lisa W. Petit, and our friendly, supportive staff are committed to providing the highest quality medical care to our patients, from birth up to 26 years of age. 

What sets us apart a pediatricians is our unwavering commitment to listening, communicating, and working together with our patients. We believe in honest conversations and collaborative planning to address health concerns effectively.

At Williams and Petit Pediatrics, we are more than just a medical practice – we are a trusted partner in your health journey.

Latest • Practice • News

A boy
By Lisa Petit • September 4, 2025
Victims of Their Own Success
A boy
By Lisa Petit • September 4, 2025
Victims of Their Own Success
By Lisa Petit • July 12, 2025
Let’s be honest—managing screen time over the summer can feel like a losing battle. Between long days, working parents, and bored kids, technology quickly becomes the default babysitter. That’s why I created the Screen S.M.A.R.T. Summer Bundle —a pediatrician-designed toolkit to help you set healthy limits without the daily power struggles. This bundle gives you instant access to:  ✅ A downloadable Screen S.M.A.R.T. Family Workbook ✅ Our most popular freebie: 4 Tips Before Buying Your Kid a Cell Phone ✅ Bonus: A special discount on the full Screen S.M.A.R.T. Online Course ✅ Printable tools like a Family Screen Plan , Tech-Free Activities List , and a customizable Phone Contract Whether you’re dealing with toddlers, tweens, or teens, this bundle will help you reset expectations, reconnect as a family, and take back your summer. 🎯 Designed by a Pediatrician. Built for real life. 👉 Grab your Screen S.M.A.R.T. Summer Bundle now (Available through August 31)
By Lisa Petit • April 26, 2025
Join Screen S.M.A.R.T. to establish healthy digital habits for kids. Learn impacts, set limits & create a family tech plan. Discount code inside!