Our Pediatric Providers


Meet our team at Northern Berkshire Pediatrics! Please take a few moments to learn about our skilled practitioners and our friendly, nurturing staff.

At Northern Berkshire Pediatrics, we consider it both a great joy and responsibility to care for children. Most of us are parents ourselves, so we strive to be understanding and available to the families we are privileged to serve. We are honored that you have chosen us as your child's primary medical provider and are confident that you will be pleased with the quality of care and service that we can provide you and your family.

A vital part of our service to children begins with our outstanding staff who works hard to manage and maintain a professional, caring and supportive environment for our patients in a timely manner. Our doctors are lifelong learners. Not only have they received advanced medical training in pediatrics, they continually pursue ongoing education to stay abreast of the latest in child health care.

Your child's health is as important to us as it is to you. We look forward to providing you with excellent medical care in the Northern Berkshire area. 


Childs R. Art, M.D.

Childs R. Art, M.D.

Jennifer S. DeGrenier, D.O.

Jennifer S. DeGrenier, D.O.

Beth L. Ellingwood, M.D.

Dorothy Marie Madsen, D.O.

Marc S. McDermott, M.D.

Marc S. McDermott, M.D.

Kathryn B. Wiseman, M.D.

Kathryn B. Wiseman, M.D.

Eimear O'Loughlin

Eimear O'Loughlin, M.D.


Kristen Savitsky, FNP-BC

Amanda Egan Poirier, FNP-BC

Jillian Herrington, CPNP-PC



Timothy Briggs, LICSW


Jerad Phillips, LMHC

Facilities & Equipment

  • Spacious waiting area
  • Separate areas for well and sick patients
  • 21 exam rooms in North Adams and 3 in Williamstown
  • Electronic medical records system
  • Patient Portal via MyChart
  • Transparency in coverage - BMC WellSense Insurance cost transparency