Mark Wood is the Chief Operating Officer of MedBillingTech, where he leads billing, credentialing, and revenue cycle operations. With more than two decades in the field, he has managed payer enrollment and credentialing for hundreds of providers, from solo practices to multi-state telehealth groups. Mark writes about the practical side of credentialing and medical billing, the parts that determine whether a provider gets paid on time, drawing on years of hands-on experience navigating payer systems, denials, and enrollment timelines.