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Letter of medical necessity - This is a letter that must be signed by your doctor or eligible licensed health care provider to certify that the item or service is medically necessary.

Electronically (preferred method) through our Clearinghouse, Change Healthcare (formerly Emdeon) – Payor ID 45281.

CareFirst is a not-for-profit and the largest health insurer in Maryland, Washington, D.C. and Northern Virginia. The Pittsburgh, PA-based Highmark provides health insurance administration services across Pennsylvania, Western and Northeastern New York, West Virginia and Delaware.

In its 83rd year of service, CareFirst, an independent licensee of the Blue Cross and Blue Shield Association, is a not-for-profit healthcare company which, through its affiliates and subsidiaries, offers a comprehensive portfolio of health insurance products and administrative services to 3.4 million individuals and ...

Visit .carefirst.com/myaccount and click Register Now to set-up your secure User ID and Password. You will just need information from your member ID card. You also have the option to switch to paperless communications through My Account to help reduce paper use.

CareFirst BlueCross BlueShield's Individual Health Plans offer the widest coverage and the largest network for medical, dental and vision insurance in Maryland, Washington, D.C. and Northern Virginia.

What is CareFirst's payer ID code? Answer: Please use payer ID code 00580 to submit dental claims electronically. What provider number should I use when submitting electronically? Answer: Your National Provider Identifier (NPI) must be used to identify your practice when submitting claims.

CareFirst BlueCross BlueShield Community Health Plan Maryland (CareFirst Community Health Plan Maryland or CareFirst CHPMD) is a Medicaid Managed Care Organization that participates in the Maryland HealthChoice Program.