Welcome to Northampton Area Pediatrics Pediatric Offices in Northampton and Amherst, MA since 1978 NAP is a thriving, family-centered practice providing excellent, accessible healthcare to children and young adults as individuals and within Northampton & Amherst, MA.Nap Patient Portal‧Our Staff‧Locations‧Flu Clinics‧Immunizations‧Billing/Payments.