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  • Posting Date: 03/10/2021
    EDI Enrollment JK

    Helpful Resources Approved Entities Network Service Vendors EDI Application Status Search Tool NPI/PTAN Crosswalk Contact the EDI Help Desk: 888-379-9132 Available by phone or email Monday–Friday* 8:00 a.m.–5:00 p.m. ET 7:00 a.m.–4:00 p.m. [...]

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  • Posting Date: 03/10/2021
    EDI Enrollment J6

    Helpful Resources Approved Entities Network Service Vendors EDI Application Status Search Tool NPI/PTAN Crosswalk Contact the EDI Help Desk: 877-273-4334 Available by phone or email Monday–Friday* 8:00 a.m.–5:00 p.m. ET 7:00 a.m.–4:00 p.m. [...]

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  • Posting Date: 08/18/2016
    Administrative Simplification Compliance Act Waiver Request Form

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  • Posting Date: 06/30/2025
    July 2025 Release "Dark Days" for the Common Working File Hosts

    July 2025 Release "Dark Days" for the Common Working File Hosts For the Upcoming July 2025 Release: For Production, CWF will be observing the Gray Day on Wednesday, 7/2/2025 and Dark Days starting Thursday, 7/3/2025 (including July 4th [...]

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  • Posting Date: 10/21/2021
    P.O. Box Mailing Addresses

    P.O. Box Mailing Addresses Business Function State Mailing Address Additional Documentation Requests CT, MA, ME, NH, NY, RI, VT National Government Services, Inc. P.O. Box 7108 Indianapolis, IN [...]

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  • Posting Date: 10/21/2021
    P.O. Box Mailing Addresses

    P.O. Box Mailing Addresses Business Function Mailing Address Additional Development Requests National Government Services, Inc. Attn: Medical Review P.O. Box 6474 Indianapolis, IN 46206-6474 [...]

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  • Posting Date: 10/21/2021
    P.O. Box Mailing Addresses

    P.O. Box Mailing Addresses Business Function State Mailing Address Appeals AK, AZ, CA, HI, ID, NV, OR, WA, American Samoa, Guam, Northern Mariana Island, MI, MN, NJ, NY, WI, Puerto Rico, Virgin Islands [...]

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  • Posting Date: 10/14/2019
    P.O. Box Mailing Addresses

    P.O. Box Mailing Addresses Business Function State Mailing Address Additional Documentation Requests CT, MA, ME, NH, NY, RI, VT National Government Services, Inc. P.O. Box 7108 Indianapolis, IN [...]

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  • Posting Date: 01/04/2019
    P.O. Box Mailing Addresses

    P.O. Box Mailing Addresses Business Function Mailing Address Additional Development Requests National Government Services, Inc. Attn: Medical Review P.O. Box 6474 Indianapolis, IN 46206-6474 [...]

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  • Posting Date: 04/12/2021
    P.O. Box Mailing Addresses

    P.O. Box Mailing Addresses Business Function State Mailing Address Additional Documentation Requests CT, MA, ME, NH, NY, RI, VT National Government Services, Inc. P.O. Box 7108 Indianapolis, IN [...]

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