X12 274 — Healthcare Provider Information
The 274 transmits structured healthcare provider information between payers, intermediaries, and directories: credentialing, NPI, taxonomy, network status.
Purpose
The 274 documents the identity and capabilities of a healthcare provider: NPI (National Provider Identifier), HCPCS taxonomy code, licenses, specialties, locations, network affiliations. It feeds payer provider directories (required by CMS for Medicare Advantage / Marketplace plans) and credentialing networks (CAQH).
It is used for initial directory loads, periodic updates, post-credentialing corrections. Acknowledged by 997. Anomalies or rejections flow through 824.
Envelope structure
The 274 travels within the three X12 envelope levels (ISA/IEA,
GS/GE with functional group HP, and ST/SE).
Didactic example in release 004010:
ISA*00* *00* *ZZ*CAQHNETWORK *ZZ*PAYER1 *260514*1900*U*00401*000000274*0*P*>~
GS*HP*CAQHNETWORK*PAYER1*20260514*1900*1*X*004010~
ST*274*0001~
BGN*00*HP-2026-0042*20260514~
NM1*82*1*SMITH*ANNE*M***XX*NPI-1234567893~
REF*ZZ*TAXONOMY-207RC0000X~
REF*ZZ*LICENSE-MD-TX-K12345~
N3*100 MEDICAL DRIVE~
N4*HOUSTON*TX*77030*US~
LX*1~
REF*ZZ*NETWORK-PPO-IN~
DTM*RT*20260101~
SE*10*0001~
GE*1*1~
IEA*1*000000274~ Common segments
- Header —
ST,BGN. - Provider —
NM1*82(Rendering Provider) with NPI,REF*ZZ(taxonomy),REF*ZZ(license). - Locations —
N3/N4,PERfor contacts per location. - Network affiliations —
LXloop:REF*ZZ(network ID, status IN/OUT),DTM*RT(period). - Summary —
SE.
Common pitfalls
- NPI validation: the 10-digit NPI must have a valid ISO 7812 check digit; an invented NPI is rejected by the CMS NPPES API.
- Taxonomy precision: the NUCC taxonomy goes to sub-specialty (e.g., 207RC0000X = Cardiology, 207RC0200X = Cardiovascular Disease); a too-broad taxonomy distorts member-to-provider matching.
- CMS directory accuracy: CMS requires 95% accuracy from Medicare Advantage payers (CFR §422.111); an incomplete or outdated 274 exposes the payer to CMP penalties.
Related transactions
Documentation
The code 274 and the name Healthcare Provider Information are public and listed on x12.org/products/transaction-sets. The complete structure of loops, qualifiers and code lists is distributed by DISA via the proprietary Implementation Guides (TR3). ediverse.io covers only public concepts, the envelope and didactic examples.