Comprehensive Outpatient Rehabilitation Facility (CORF)

On this page, view the below information.

Information is found in CMS Internet Only Manual (IOM), Publication 100-08, Medicare Program Integrity Manual, Chapter 10, Section and the CMS IOM, Publication 100-07, State Operations Manual, Chapter 2. A CORF is a facility established and operated at a single fixed location exclusively for providing diagnostic, therapeutic, and restorative services to outpatients by or under the supervision of a physician

Examples of these services include:

  • Physician services*
  • Physical therapy*
  • Social work or psychological services*
  • Occupational therapy
  • Respiratory therapy
  • Speech pathology
  • Prosthetic/orthotic devices
  • Lab services (must meet 42 CFR Part 493 requirements)
    • Note: (*) indicates services required

Billing for CORF

  • For more information regarding billing, go to the billing portion of the website.

Application Requirements

Application Tips
PECOS application
  • "Institutional Provider" (e.g., Hospital, Skilled Nursing Facility, Hospice, Home Health Agency)
  • Complete questionnaire to ensure correct applications (CMS-855A and CMS 588-EFT) populate.
  • Complete all form sections
  • Attach all supporting documentation such as IRS documents
  • List all directors, board members, and contracted or W-2 managing employee
  • Visit the Application Fee webpage to access CMS link to pay application fee
  • Submit completed CMS-588 EFT and voided check/bank letter. EIN required to be on application in Tax Identification Number (TIN) field


Application Time Frame

Application Type Processing Time
PECOS On average, it can take 15 to 50 calendar days before application is sent to state and CMS for approval
Paper On average, it can take 30 to 65 calendar days before application is sent to state and CMS for approval


  1. Once Noridian has completed the reviewal of the application, a Recommendation for Approval Letter is sent to the State Agency and CMS. There is no set timeframe for their review.
  2. Additional days after State and CMS approval Noridian will have additional days to finalize enrollment records.


Last Updated Dec 09 , 2023