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Welcome Massachusetts Providers 

Mass General Brigham Health Plan Office Hours 

Join a virtual office hours session to learn about designated topics, get answers to general questions and tips for doing business with Optum. 

Topic Date and time Registation Link
Check eligibility/benefits July 15 2:00 - 3:00 p.m. ETRegister 
Updating demographic information and check credentialing statusSep. 16 - 2:00 p.m. ETRegister
Submitting initial and corrected claims Nov. 18 - 2:00 p.m. ETRegister

Provider Resources

Community Corner

Outpatient Care Engagement 

Schedule an online HIPAA-compliant appointment with a member of our Outpatient Care Engagement team.

Mass General Brigham Health Plan

Massachusetts Medicaid


Provider Guidance and Training Resources 

Register for New Provider Training - Aug. 5, 2026
Download: New Provider Orientation Resources
Claim Billing Guide – Billing under Supervision
Family-based Intensive Treatment (FIT) QRG
MA BHCA Provider FAQ
SCO and One Care FAQ
UHC Senior Care Options and One Care Training
United Behavioral Health BHCA Provider Training: Phase 2

 


Prior Authorization Forms 

Massachusetts Authorization/Notification, Assessment and Treatment Forms

Applied Behavior Analysis Services Prior Authorization Request Standard Form

Massachusetts One Care BH Day Treatment Authorization Form

For more information and forms visit Guidelines/Policies & Manuals and Frequently Accessed Forms pages.


Community Behavioral Health Centers (CBHCs) Behavioral Health Urgent Care Centers  (BHUCs)

Billing Guidance and FAQ
Bundled Billing Specs

Urgent Care Center billing update: Dec. 2025

 


Medicaid Enrollment & Participation FAQ

21st Century Cures Act MassHealth Enrollment Frequently Asked Questions


Newsletter Archives

 

April 2024 
January 2024 
October 2023 
July 2023 

For current news, visit the Top of Mind page

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