IMPORTANT SHIPPING INFORMATION: Order by noon EST, Wednesday, 17 December 2025 (UPS Ground) for delivery before 24 December 2025. Sigma Marketplace will be closed 23 December 2025 until 5 January 2026; no orders will be processed or shipped. Normal operations resume Thursday, 8 January 2026.
Phone:
888.634.7575 (US/Canada toll-free)
+1.317.634.8171 (International)
Email:
memserv@sigmanursing.org
Address:
550 W. North St.
Indianapolis, IN 46202
USA
Summer Hours of Operation
Monday-Thursday: 8:00 a.m.-5:00 p.m. ET
Friday: 8:00 a.m.- 12:00 pm ET
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