# Medicare New Jersey Part A Payer ID

- **Payer ID:** 12005
- **Other payer IDs:** 12401, IMNJ0
- **Coverage types:** Medical
- **Programs:** Medicare
- **Where it operates:** New Jersey
- **Payer website:** https://www.cms.gov

## Other names

- New Jersey Medicare Part A J12 (12005)
- NJ Medicare Part A (J12 - Highmark)
- Novitas - New Jersey

## What You Can Check With Medicare New Jersey Part A

- Eligibility and benefits for any service type Medicare New Jersey Part A returns
- Instant results, 24/7, with no phone calls or portals

What a check returns is up to the payer: some return more detail than others.

Payer details updated Oct 18, 2026. Payers change IDs and plan names; when in doubt, use the ID on the member's card.

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Canonical: https://www.verifytx.com/payers/medicare-new-jersey-part-a/