DialClerk Directory

Health plans and insurers

Liberty Mutual (workers compensation)

Phone, published email, fax, addresses and the next step for your office.

4 contact routesNo directory research calls placed

claims

Provider Support Center — medical bill questions

Official page read
Phone800-500-7044Published hours

8 a.m.–8 p.m. Eastern; days not specified on the contact page

Product, plan and location

workers comp
National contact — confirm product and location

Mailing address

Not researched for this route

Current Provider Support Center contact. Its public resources cover medical bill status, EOBs, billing addresses and reconsideration instructions. This is separate from reporting a new injury claim.

View source ↗ · Source checked 2026-10-22 · liberty provider support ↗ · liberty provider networks ↗

Report an update
Wait time: not establishedBest time from caller reports: not established. Published hours are not a wait forecast.

claims

Workers compensation claims — midsize and large business reporting

Official page read
Phone800-362-0000Published hours

24 hours a day, 7 days a week

Product, plan and location

workers comp
National contact — confirm product and location

Mailing address

Not researched for this route

Current reporting page includes workers compensation and assigns this number to midsize and large business customers. The provider-network page also uses it when the assigned claims handler cannot be located. Small-business reporting is separate.

View source ↗ · Source checked 2026-10-22 · liberty provider networks ↗ · liberty worker faq ↗

Report an update
Wait time: not establishedBest time from caller reports: not established. Published hours are not a wait forecast.

claims

Workers compensation claims — small business reporting

Official page read
Phone844-325-2467Published hours

24 hours a day, 7 days a week

Product, plan and location

workers comp
National contact — confirm product and location

Mailing address

Not researched for this route

Small-business new property-and-casualty claim reporting, including workers compensation.

View source ↗ · Source checked 2026-10-22

Report an update
Wait time: not establishedBest time from caller reports: not established. Published hours are not a wait forecast.

pharmacy help desk

Workers compensation — prescription and pharmacy-card help (Optum)

Official page read
Phone866-764-7987Published hours

Not published in this record

Product, plan and location

workers comp
National contact — confirm product and location

Mailing address

Not researched for this route

Liberty’s current worker FAQ directs prescription-processing problems and replacement pharmacy-card requests to Optum; have the Liberty Mutual claim number available.

View source ↗ · Source checked 2026-10-22

Report an update
Wait time: not establishedBest time from caller reports: not established. Published hours are not a wait forecast.

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