How To Submit Claims To MassHealth

Coverage: Massachusetts MassHealth fee-for-service billing; managed care organizations and ACO arrangements can have different routing and rules.

MassHealth claims guidance from the reviewed sources: Electronic claims under MassHealth provider billing instructions. Confirm the member plan and claim type before using a payer ID or paper address.

At a glance

Use MassHealth’s provider billing resources for electronic fee-for-service claims.

Submission channels

Electronic claims under MassHealth provider billing instructions.

Electronic claims payer IDs

Not clearly published in the researched sources.

Paper claims addresses

Not clearly published in the researched sources.

Corrected claims and follow-up

Not clearly published in the researched sources.
No direct topic-specific link was captured in the current research set.

Caveats

Paper submission requires an applicable waiver or exception. Confirm the billing provider’s enrollment and whether the service is fee-for-service rather than MCO responsibility.

Provider resources

Sources

Fact	Value	Source	Confidence
Official policy review	Use MassHealth’s provider billing resources for electronic fee-for-service claims.	Official	high

Update notes

Last updated: 2026-10-30.

Verified official billing timelines, billing resources and 2026 PA changes. Preserved conditional final-filing limits and the drug exclusion.
No universal MCO deadline or routing is inferred from MassHealth fee-for-service rules. Member eligibility, provider enrollment and portal access still require checks.

Last reviewed: October 30, 2026

Sources used: 1 official