Sigma headquarters will be closed 22 December 2023 to 1 January 2024 to allow our staff time to celebrate with their families. The office will re-open on Tuesday, 2 January 2024.
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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