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

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

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!
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!
By Lisa Petit April 26, 2025
How Much Is Too Much?
A large family is posing for a picture together in a kitchen.
By Lisa Petit December 29, 2024
Join our 2025 Parent Empowerment Seminars, now open to all! Get expert parenting advice on discipline, screen time & stress. Free for patients, $50 for others.