Nierman Practice Management makes it easy for dentists to implement: - Medical Billing - Dental Sleep Medicine - TMD With over 35 years in business, NPM provides the leading software, medical billing services, and training for dental professionals to successfully implement dental sleep medicine, TMD, and medical reimbursement for those services along with oral surgeries. Nierman Practice Management helped pioneer medical billing for dentists and continues to innovate new solutions while providing world-class support, making it easier than ever for dentists to expand their practice with dental sleep medicine, medical billing, and cross-coding, & TMD implementation.