Medical
Medicare District of Columbia Part A Payer ID
Payer ID12301
Payer details
- Payer ID
- 12301
- Other payer IDs
- IMDC0, IMMD0
- Coverage types
- Medical
- Programs
- Medicare
- Payer website
- cms.gov
Other names
- Medicare Maryland Part A
- Medicare Washington D.C. Part A
- Novitas - District of Columbia
Where it operates
District of Columbia
What You Can Check With Medicare District of Columbia Part A
- Eligibility and benefits for any service type Medicare District of Columbia 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.
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