Getting Started

Joining our Network

Thank you for your interest in becoming a provider in the Massachusetts Behavioral Health Partnership (MBHP)/Carelon Behavioral Health (Carelon) network. Please review our credentialing criteria. Once you have determined that you or your organization meets the minimum credentialing requirements, please visit the Carelon Behavioral Health website and follow the prompts to complete a request to join the network. Please be aware that this is a request to join our network and does not constitute an offer until a contract packet is sent for reiew and consideration. All network decisions are based on access, availability, and network standards set forth by MBHP/Carelon.

If you are not on CAQH, you will need to create a ProView account and give Carelon permission to view and process your application.

MBHP/Carelon promotes the online universal credentialing process offered by CAQH at no cost to the provider. This service helps providers reduce credentialing administration and paperwork. Please access the CAQH website, then review your application for completeness, upload required documents, and ensure your attestation is current.

If you are approved and credentialed, you will receive a notice stating your approval and contract effective date. As part of the application process, the organization is not required to make available: 1) references, 2) recommendations, and 3) peer-review-protected information.

Throughout the credentialing process, practitioners have the following rights:

To review information submitted to support their creentialing application (e.g., malpractice insurance carriers, state licensing boards, board certification)
To correct erroneous information
To receive the status of their application, upon request

Upon receipt of your request to join the network, MBHP/Carelon will review your application materials to ensure that you satisfy all provider selection criteria. In the event that a discrepancy in information is discovered through the Primary Source Verification (PSV) process, MBHP/Carelon will contact you and request that you clarify the discrepancy in writing within 10 business days of the notification. These responses should be sent, within the appropriate timeframes, directly to the individual at MBHP/Carelon who contacted you for clarification. The additional information will be reviewed, and MBHP/Carelon will document the receipt of corrected information in the credentialing file.

ProviderConnect

The provider portal, ProviderConnect, allows providers to review and submit claims and authorization requests, validate provider-specific demographics, check real-time Member eligibility, and communicate directly with Members. Providers must register to use ProviderConnect. Access ProviderConnect to register as a new user and follow the prompts. You will receive a specific user name and password to be used only for ProviderConnect. If you have questions, please email provider.relations@carelon.com.

Provider User Registration Update - Effective August 15, 2025
Good news! Starting August 15, 2025, providers will no longer need to fax in the ProviderConnect Online Services Account Request Form to request log in credentials for ProviderConnect.

This form is currently used to:

Request primary user login credentials.
Request secondary user login credentials.
Authorize Carelon to receive and process claims electronically.

What's changing?
Effective August 15, 2025, you will be able to submit login requests using the online registration form - no more paperwork or faxing!

This change is part of our ongoing efforts to make registration quicker and easier for you and your team. To access these forms, visit the Carelon Provider Portal.

Currently the automation of registration is only for the online account request form.

The remaining ProviderConnect forms will continue to be sent via fax at this time.

Account Request form for access to multiple providers: This form allows the user access to multiple provider identification numbers under one login once the users have completed online registration or the Online Services Account Request form.
Account Deactivation form: This form is required to deactivate any ProviderConnect account. Please note: this form must be signed
Provider Contact Change form: Use this form to make changes on the contact information in your ProviderConnect profile.

Frequently Asked Questions

Check here for answers to our most-common provider questions. more >

New Provider Trainings

We provide a full range of trainings year round to educate, inform, and share industry-wide best practices and policies on a variety of topics. New providers can find monthly trainings including provider orientation, an overview of ProviderConnect, and claim submission guidance among others. Providers can also find training archives with recorded webinars and PDFs by scrolling to the bottom of the training page

Provider Education and Trainings >

Accessing MBHP Web Content

To access password-protected areas of our website, please fill in our website registration form. After you submit the form to MBHP, our Network Operations Department will validate you as a member of our provider network who is authorized to access MBHP's confidential provider information. This log in and password is only valid for use to log into www.masspartnership.com. You can also fill out the form and email it to MBHPNetworkOperationsWebsiteRegFormArchive@carelon.com.

If you are already an in-network provider and need help with your log-in credentials, contact us.