Pediatric Billing Services in Seattle, Washington (WA), For all the practitioners and healthcare providers. Pediatrics, which leads other specialties in terms of the patient population, and patient-physician ratio, offers both opportunities and challenges to medical billing processes. In contrast, the influx of pediatricians seeking medical billing and coding management and realizing a stringent insurance environment is equally challenging. The same stands valid for pediatricians who are serving in Seattle, Washington (WA).