All payers

Payer details

CMS MBI Lookup Without SSN

Reliability
—

This link may open a general payer website rather than a provider portal.

Primary payer ID
MBILUNOSSN
Directory ID
APSMC
State / territory
—
Plan type
—
Coverage
dental, medical
Parent payer group
—

Transaction support

Enrollment requirements apply before use.

Claim status

276 / 277

Eligibility checks

270 / 271

Enrollment required
Portal automation
Denial appeals

Names & identifiers

Also known as
CMS MBI Lookup Without Social Security Number
Alternate payer IDs
MBILUNOSSN

These identifiers are listed as supplied. Confirm the correct ID with your clearinghouse for the intended transaction; an alternate ID is not a universal routing ID.

Directory details

Directory updated September 20, 2026.

Transaction availability can depend on the plan, enrollment, and channel. A red reliability dot means no supported capabilities are published or a disruption has been reported by Ember. Green checks indicate supported capabilities, subject to enrollment and authorized portal access.

Payer names are used for identification. Ember is not affiliated with or endorsed by the listed payers.