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Third Party Liability Liens

Lien Requests


To determine the amount of the lien interest of the Oklahoma Health Care Authority (OHCA), submit a written request and a valid Authorization to Release PHI, to the Third Party Liability Unit via:

  • E-Mail: liens@okhca.org
  • Mail:
    • OHCA Third Party Liability Unit
      4345 N. Lincoln Blvd.
      Oklahoma City, OK 73105
  • HCA-20 Authorization to Release Medicaid Records: English | Spanish

The written request for a lien calculation should include the following:

  1. The member’s name;
  2. The member’s date of birth, social security number or Medicaid ID number;
  3. The date of loss;
  4. The type of injury suffered;
  5. The name of the person requesting the information (i.e. the attorney, the paralegal, or the secretary) with phone number, fax number and email address.

The lien calculation will not be attempted if the only information provided is the member’s name; the member’s name and date of birth are required to ensure the lien calculation is performed regarding the correct person. No response will be submitted regarding the lien calculation if the requestor’s phone and fax number are not provided.

The requests are opened and worked in the order received. Please allow a minimum of 30 days response time regarding a request for a lien calculation. If there is no lien amount due, you will receive a statement indicating that the OHCA has not paid any claims. Providers have up to six months to file a claim for service rendered per OHCA policy. If the member cannot be located or identified, you will receive a statement indicating this.

OHCA Third Party Liability Unit

4345 N.Lincoln Blvd.  
Oklahoma City,OK 73105

liens@okhca.org