Email received from: PEC@maximus.com  Sub: Re: [EXTERNAL] Need Welcome Letter  Good Afternoon,  Effective date:11/17/2021.  PID: 110179037A  Thank you for contacting the MassHealth Provider Enrollment and Credentialing Department.     We have attached provider Helena Haterman’s Welcome Letter as per your request.     If you have any questions or concerns please feel free to contact us.     Best Regards,     PEC  Provider Enrollment and Credentialing Department  Business Support Services, US Services     MAXIMUS  Remote: Boston, MA  PEC@maximus.com   Please see the attached.