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Oscar Health Fax Number — Authorizations, Claims, and Appeals

Oscar Health is a technology-forward insurer that steers most member and provider interactions through its app and provider portal, but it still accepts faxes for prior authorizations, appeals, and clinical documentation. The fax line for a prior-authorization request is printed on the authorization form for that service or medication, and an appeal fax appears on the denial notice you are contesting. Providers can confirm current numbers inside the Oscar provider portal, while members find claims and concierge-team contacts in the Oscar app and on the ID card. Because Oscar updates its intake channels often, verify the number on the current form rather than reusing one from a past submission.

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Oscar Health Fax Number

Use the fax line printed on your Oscar Health prior-authorization form or denial letter, or confirm it through the Oscar provider portal or member app

Hours: Oscar Health's utilization management and appeals teams generally operate Monday through Friday during business hours. Fax lines receive at any time, but documents sent overnight or on weekends are reviewed the next business day.

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What You Can Fax to Oscar Health

  • Prior-authorization and pre-service requests
  • Claim forms and corrected claim resubmissions
  • Appeals and grievances following a denial
  • Coordination-of-benefits and other-coverage questionnaires
  • Clinical notes and medical records supporting a review
Tip: Anything you fax Oscar Health about a member is protected health information, so transmit it through a HIPAA-eligible service and put the member ID and date of birth on every page. Send FAX Mail's HIPAA-eligible Business plan ($79.99/month) covers this and returns a delivery receipt you can keep as proof the authorization or appeal reached Oscar before its deadline. Since Oscar leans on its portal, note on the cover sheet why you are faxing so the document is routed to the right team.

Faxing to Oscar Health — FAQ

Oscar is built around its app and provider portal, and many requests are handled fastest there, but fax remains an accepted channel for authorizations and appeals. The current authorization form lists whether fax or portal submission is expected for a given service.

Oscar members can see plan details, claims, and the concierge care team inside the Oscar app and on the back of the ID card. Appeal rights and the fax line for a specific denial appear on the coverage-determination notice tied to that decision.

The decision window depends on whether the request is standard or expedited and is stated in Oscar's authorization guidelines. Save your transmission receipt so you can document the submission date if a determination is delayed.

Records are usually attached to a specific request, so fax them to the line noted on the related authorization, appeal, or claim rather than a general number. Label each page with the member ID and the case or authorization reference so Oscar can match the records to the open file.

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