Welcome! We strive to provide the best possible medical care for your child and believe that a strong commitment between caregivers and parents is essential to the well-being of your child. Our staff is dedicated to the health and well-being of our patients and providing a caring environment for you and your family.

We are currently accepting new patients and accept most insurance plans. Our practice is within the Lowell General Hospital network, and our patients have access to multiple nearby sites for lab tests and radiology. 

​Chu J Chen, MD FAAP
Kenneth B Yoffe, MD PhD FAAP
Jessica Chen, PA-C ​

Merrimack Valley
Pediatric Associates

We are open to see patients Monday through Friday from 8AM to 4PM. We offer Walk-In (no appointment needed) from 8-8:45AM M-F.  Providers may leave after their last patient but staff is here to take phone calls until 4:45PM (Mon-Tues), 4:30PM (Wed-Friday). We are open two Saturdays per month from 8AM to 11AM. Please give our office a phone call to ask which Saturday we will be open if you need to schedule an appointment.
Welcome to MVPA! We are a Pediatric practice in Chelmsford, Massachusetts. We have provided quality care for over 30 years, serving areas in or near the Merrimack Valley.