Medical
Medicare Massachusetts Part A Payer ID
Payer ID14211
Payer details
- Payer ID
- 14211
- Other payer IDs
- 12M14, IMMA0, JIMMA0
- Coverage types
- Medical
- Programs
- Medicare
- Payer website
- cms.gov
Other names
- National Government Services (NGS) - Massachusetts
Where it operates
Massachusetts
What You Can Check With Medicare Massachusetts Part A
- Eligibility and benefits for any service type Medicare Massachusetts 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.
Service Type Code LookupPayer details updated Oct 18, 2026. Payers change IDs and plan names; when in doubt, use the ID on the member's card.
Browse payers A to Z
Verify Coverage in Seconds
Check eligibility and benefits for any service type, track claim status and catch coverage changes across your census, with coverage across 1,800+ payers.