Fallon Health Timely Filing Limit

Coverage: Fallon Health Massachusetts products; not Fallon Weinberg in New York. Confirm product and network responsibility.

Fallon Health filing limits depend on the plan, provider agreement, and event that starts the filing period. Confirm each item in the official provider resources before submission.

At a glance

Initial filing is unverified; the FAQ provides a separate claim adjustment period.

Initial claim filing limits

Not clearly published in the researched sources.

Corrected claim filing limits

Claim adjustment requests: within 120 days of the original Remittance Advice Summary, using the Request for Claim Review process.

Appeal and reconsideration deadlines

Not clearly published in the researched sources.

Trigger basis and caveats

Do not treat this adjustment period as the initial claim deadline. Confirm the member product and provider agreement. Appeal and initial filing periods were not independently established.

Provider resources

Official policy source (official)
Official policy source (official)

Sources

Fact	Value	Source	Confidence
Official policy review	Initial filing is unverified; the FAQ provides a separate claim adjustment period.	Official	high

Update notes

Last updated: 2026-10-30.

Reviewed official indexed FAQ and ProAuth guidance. Retained the adjustment rule without inventing an initial filing deadline.
Direct page retrieval returned HTTP 403; public indexed official text was available. Confirm the current complete instructions through provider access before operational use.

Last reviewed: October 30, 2026

Sources used: 1 official