This letter is a request to process the claims of patient Contreras, Carlos for the dates of service mentioned above, such claims were submitted to Regal Medical Group within the timely filing limit but unfortunately were rejected by the payer stating the patient was not found. We even reached out to the eligibility department at Regal Medical Group by phone regarding this patient but was still missing on their records. Finally, the patient was found according to call reference # 20210430501116200038. Attached to this letter are the claim forms for each date of service as well as the Proof of Timely Filing. Please review the attached documents and process these claims at your earliest convenience.