McKesson Corporation is a healthcare company for wholesale medical supplies and equipment, pharmaceutical distribution, and healthcare technology solutions. The company operates its business through four reportable segments – US Pharmaceutical, Prescription Technology Solutions (RxTS), Medical-Surgical Solutions, and International. The US Pharmaceutical segment distributes branded, generic, speciality, biosimilar, and over-the-counter (OTC) pharmaceutical drugs and other healthcare-related products, provides practice management, technology, clinical support, and business solutions to community-based oncology and other specialty practices, and sells financial, operational, and clinical solutions to pharmacies. The RxTS segment addresses medication challenges for patients throughout their journeys by working across healthcare to connect pharmacies, providers, payers, and biopharma companies to provide adherence solutions, dispensing support services, third-party logistics, and wholesale distribution support. The company’s Medical-Surgical Solutions segment provides medical-surgical supply distribution, logistics, and other services to healthcare providers, including physician offices, surgery centres, nursing homes, hospital reference labs, and home health care agencies. The International segment provides distribution and services to wholesale, institutional, and retail customers.

McKesson operates four primary customer pharmaceutical distribution channels – retail national accounts comprising national and regional chains, food and drug combinations, mail order pharmacies, and mass merchandisers, community pharmacies and health, institutional healthcare providers such as hospitals, health systems, integrated delivery networks, and long-term care providers, and oncology, biopharma, and other speciality partners.