What is POS 11? POS 11 stands for Place of Service 11 and is used to indicate that medical services were provided in a physician’s office. Understanding what is pos 11 is important because it directly influences how insurance companies process and reimburse claims. Why POS 11 is Essential in Medical Billing Using pos 11 in medical billing ensures that healthcare provi... https://ezmdsolutions.com/pos-11-in-medical-billing/