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Provider Enrollment Information
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Blue Cross/Blue Shield of Massachusetts, Inc.
800-316-BLUE (2583)
For enrollment information, go to: PROVIDER CENTRAL

Mass Health Provider Enrollment and Credentialing
PO Box 9109
Somerville, MA 02145

Medicare Provider Enrollment
National Government Services, Inc.
P.O. Box 7149
Indianapolis, IN 46207-7149

National Plan and Provider Enumeration System
NPI Enumerator
PO Box 6059
Fargo, ND 58108-6059
800-465-3203 (NPI Toll-Free)

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