EDI Help Desk E-Mail Inquiry Form Complete this form for assistance with EDI issues or inquiries.

National Government Services Medicare EDI Help Desk
(877) 273-4334

Hours of operation:
Monday-Wednesday, Friday
8:00 – 11:30 a.m. (EST)
12:00 – 4:00 p.m.

Thursday
8:00 – 11:30 a.m. (EST)
12:00 – 3:00 p.m.

Email address:
Medicare Part A: NGS.EDI.A@Anthem.com.

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Page Last Modified: 04/18/08