Payer ID CNMCR: Medicare Northern California Part A

CNMCR is the electronic payer ID for Medicare Northern California Part A, according to the Stedi payer network directory. Enter CNMCR in loop 2010BB of an 837 claim - the payer name segment, with qualifier PI in NM108 and the ID in NM109 - to route the claim to Medicare Northern California Part A. Payer IDs are assigned per clearinghouse, so confirm CNMCR on your own clearinghouse's payer list before you submit.

Payer ID CNMCR at a glance

Electronic payer ID
CNMCR
Payer
Medicare Northern California Part A
Claim location
837 loop 2010BB, NM109
Source
Stedi payer network directory

Where payer ID CNMCR goes on a claim

On an electronic professional (837P) or institutional (837I) claim, the payer is identified in loop 2010BB, the payer name loop. The NM1 segment there carries entity identifier code PR (payer), the payer's name, the qualifier PI in NM108, and the payer ID itself in NM109:

NM1*PR*2*MEDICARE NORTHERN CALIFORNIA PART A*****PI*CNMCR~

The same NM1*PR structure names the payer in loop 2100A of 270 eligibility and 276 claim status requests. Many clearinghouses use one payer ID for claims, eligibility, and claim status, but some assign a separate ID per transaction, so check the payer list for each transaction type you send.

Before you submit to payer ID CNMCR

  1. Read the member's ID card

    The claims payer ID or claims address printed on the card is the most specific source for that member's plan. Where it differs from a directory listing, the card generally reflects how that plan wants claims sent.

  2. Check whether a third-party administrator runs the plan

    Self-funded employer plans route claims to their administrator's payer ID, which is often different from the network or carrier name printed on the card.

  3. Confirm the ID on your clearinghouse's payer list

    Payer IDs are assigned per clearinghouse. Large national payers tend to use the same ID nearly everywhere; regional plans and administrators often do not. Search your clearinghouse's list for CNMCR and confirm it maps to Medicare Northern California Part A.

  4. Watch the acknowledgments, not just the remittance

    A wrong payer ID fails at the clearinghouse or on the 277CA claim acknowledgment, not as a denial on the 835. A rejected claim was never received by the payer, so the timely filing clock keeps running until a corrected claim is accepted.

Medicare Northern California Part A billing reference

Payer ID CNMCR questions

Which insurance company uses payer ID CNMCR?
Payer ID CNMCR belongs to Medicare Northern California Part A in the Stedi payer network directory. Payer IDs are assigned per clearinghouse, so check CNMCR against your own clearinghouse's payer list before submitting.
What is the Medicare Northern California Part A payer ID?
The Medicare Northern California Part A electronic payer ID is CNMCR. It goes in loop 2010BB of the 837 claim. Payer IDs are assigned per clearinghouse, so confirm CNMCR against your own clearinghouse's payer list before relying on it.
Where do I enter payer ID CNMCR on an 837 claim?
In loop 2010BB, the payer name loop: the NM1 segment with entity identifier PR, qualifier PI in NM108, and CNMCR in NM109. The same NM1*PR structure identifies the payer in loop 2100A of 270 eligibility and 276 claim status requests, though some clearinghouses assign a different payer ID for those transactions.

Payer IDs for related payers

00710 - Blue Cross Blue Shield of Michigan95567 - Health Net Claims (California Oregon)A2793 - Commonwealth Care Alliance (CCA)100065 - Medicaid California Medi-CalAPP01 - Optum California89890 - Kern Legacy Health Plans
Every payer ID in the directory

Payer IDs come from the payer network directory named above and are assigned per clearinghouse. Always confirm the ID with your clearinghouse and the member's card before submitting a claim.