Customer Support Contact for Businesses and Healthcare Organizations

If you’re an employee of a healthcare organization or related business and have a question about product support, sales or anything else, you’re in the right place.
  • Medical and Surgical Supplies Support

    Medical-Surgical Customer Support

    Product & Order Questions, Products Returns or Address Changes

    • (855) 571-2100 - Medical Professionals, Medical Facility Employees, Individuals Paying With Medicaid or Private Insurance

    • (800) 453-5180 - Accounts Receivable (billing and invoice inquiries)

    Customer Systems Technical Support

    SupplyManager ordering issues, passwords, ScanManager, ORBITS, and technical support for CSOS.

    EDI and Connectivity Support

    Connectivity support for EDI, McKesson Direct, Punch-out and cXML Ordering.

    • (800) 765-6363 - All calls are returned within 30 minutes, Mon-Fri: 8:00 am – 5:00 pm EST

    Pharmacy Customer Support

    Customer Service for Pharmacies

    Customers can place orders, handle returns, check availability, resolve CII issues, submit contract pricing cases, and interface with McKesson's distributions centers.

    Would you like to report a suspect or illegitimate product? Use the form below to contact McKesson’s product safety review team regarding product quality. Report Product Safety Concern

    Technical Support

    Support for McKesson Connect, CSOS Ordering, EDI, Accounts Payable (MCAP) and Mobile Manager 100 & 25 devices.

    Health Mart Customer Support

    Support for McKesson's Health Mart pharmacy franchise members.
    Monday – Friday 7:00 am – 9:00 pm CST

    Health Mart Atlas Support

    Support for pharmacies participating in the McKesson sponsored PSAO, Health Mart Atlas.
    Monday – Friday 8:00 am – 8:00 pm EST

    Specialty Drugs, Plasma, Technology, and Onmark GPO Support

    Specialty Drugs for Physician Practices

    For assistance with online ordering, login or password issues.
    Monday – Friday 7:00am – 7:00pm CST

    Specialty Practice Solutions Technical Support

    For assistance with iKnowMed (option 1); Lynx, TotalView, Regimen Profiler (option 2); Clear Value Plus, and Practice Insights (option 3), My Care Plus (option 4)

    Plasma and Biologics (MPB) Products for Pharmacies

    8:00am – 6:30pm CST
    Emergency Orders 24 hours a day/7 days a week

    Pharmacy Technology & Services Support

    RelayHealth Pharmacy Solutions Customer Support

    Customer Support for physicians, health plans, pharmacy benefit managers (PBMs), government agencies, and pharmaceutical manufacturers.


    Support numbers for the different EnterpriseRx service levels.


    Support for Pharmaserv, Pharmacy Navigator, Accounts Receivable, Printer issues, and Signature Center.


    McKesson Pharmacy Systems Customer Support Center

    McKesson High Volume Solutions Customer Support

    Support for McKesson High Volume Solutions pharmacy automation.