As of March 1, 2008, your Medicare fee-for-service claims must include an NPI in the primary provider fields on the claim. Effective May 23, 2008, you must use only NPI on your claims. More details

Welcome NHIC California Providers

NHIC takes a proactive role in serving the Medicare community through a comprehensive educational program. Our Web site provides a variety of updated reference and policy information to assist you in the process of claims and other communications within the Medicare Part B program.

NHIC Southern California Counties

• Imperial
• Los Angeles
• Orange
• San Luis Obispo
• Santa Barbara
• San Diego
• Ventura

NHIC Northern California Counties

* All other state counties not listed above, including Riverside and San Bernardino counties.

California Carrier Territory Designation

When an item is designated as Northern California (NCA) or Southern California (SCA), it pertains only to the counties listed above. If no designation is made, then it pertains to the entire state.

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04/17/2008