By Phone
Oncology, rheumatology, gastroenterology, ophthalmology, neurology, and other specialty practices:
(800) 482-6700
Practices in The US Oncology Network:
(833) 726-8766
Specialty Practice Support
For questions about other McKesson businesses, products or services, please visit our general Contact Us page
Product & Order Questions, Billing & Invoice Inquiries, Returns or Customer Center Support
Monday – Friday 7:00 am - 7:00 pm CT
Oncology, rheumatology, gastroenterology, ophthalmology, neurology, and other specialty practices:
(800) 482-6700
Practices in The US Oncology Network:
(833) 726-8766
Solution Customer & Technical Support
Lynx, iKnowMed, Clear Value Plus, Practice Insights,
Regimen Profiler, TotalView:
(888) 338-8445
My Care Plus:
(855) 887-6788
Intrafusion by McKesson Infusion Management:
(866) 861-7676
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