Treatment Authorizations & Variances Requests

Medical providers should submit their Attending Doctor's Request for Authorization (C-4Auth) requests and Medical Treatment Guideline (MTG) Variance Requests, forms MG-2 and MG-2.1, to the MTG teams in their respective NYSIF business offices. Please note your respective NYSIF business office email, fax and claim unit numbers provided below:

NYSIF Medical Treatment Authorization and Variance Request Teams

Office MTG Shared Email Box MTG Fax Claim Units
All Offices (212) 312-0023 All Units except 271 and 272
CorVel Claims Processing (866) 727-5573   272
York Claims Processing (614) 717-6152  271

(Please note the "All Offices" fax number was updated 8/23/21.)

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