Expert Medical Billing (EMB) is a specialized billing department for ambulatory surgery centers and clinics. A dedicated team manages the client’s entire revenue cycle inside their own EHR and clearinghouse, from claim submission and payment posting to denial management, A/R follow-up, patient billing, and credentialing. Founded by a practicing physician and a practice-management operator and headquartered in Merrillville, Indiana, EMB serves surgery centers and practices nationwide, with ophthalmology, pain management, anesthesiology, and orthopedics among its core specialties.