The people who make MBM tick.

Kristina Hancock is an accomplished healthcare billing and revenue cycle management professional with over 13 years of experience in medical billing, coding, insurance reimbursement, and healthcare practice operations. With an extensive background in ophthalmology and podiatry, she specializes in optimizing revenue cycle performance, resolving complex insurance denials, managing accounts receivable, and maximizing reimbursement for medical practices.

Throughout her career, Kristina has developed deep expertise in CPT and ICD-10 coding, insurance appeals, Medicare and commercial payer regulations, medical necessity requirements, and billing compliance. Driven by an analytical mindset and a hands-on approach, she takes pride in mentoring billing teams, developing efficient workflows, and collaborating closely with physicians and practice leadership to strengthen financial operations so providers can focus on delivering exceptional patient care.

Outside of work, Kristina enjoys spending quality time with her three children, creating lasting family memories, and unwinding with a good murder mystery series.

Mariah Hektor is an experienced Team Lead and Account Manager with 10 years of specialized experience in the optometry and vision care industry, focusing on medical billing, coding, and comprehensive account support. Throughout her career, she has cultivated a strong command of insurance payer processes, end-to-end claims management, and long-term provider relationship building.

Mariah combines deep industry knowledge, clear communication, and meticulous attention to detail to resolve complex billing challenges and ensure smooth day-to-day operations for her clients. She takes pride in being dependable, organized, and committed to delivering measurable results.

Outside of work, Mariah enjoys spending time with her family, exploring nature, and embracing new opportunities for personal and professional growth.

Courtney Kenaga is a dedicated Senior Account Manager and Accounts Receivable Specialist with extensive experience managing client and patient accounts, processing complex payments and remittances, and maintaining accurate financial records across multi-specialty practices.

Known for her dependability, warmth, and meticulous follow-through, Courtney ensures every account receives attentive oversight. Outside of work, she is a hardworking, family-oriented mother of two young children who finds joy in making lasting family memories and continually growing both personally and professionally.

Rachel Wheelock is a Senior Account Manager dedicated to delivering responsive, transparent revenue cycle oversight for physician practices and specialty clinics. From daily claim submissions and denial resolution to custom monthly reporting, she serves as a trusted, direct point of contact for her providers.