Buried in Part 6225 of the just lately signed Consolidated Appropriations Act of 2026 is a small however mighty transparency provision: a novel nationwide supplier identifier (NPI) requirement. This measure has the potential to considerably enhance the standard and usefulness of outpatient claims information; facilitate enforcement of site-neutral and different fee and competitors legal guidelines; and, insurers keep, allow them to barter and pay decrease costs for hospital outpatient care. Nonetheless, work stays to be finished to maximise the utility of this new measure, together with guaranteeing it reaches the industrial market.
What Is A Nationwide Supplier Identifier?
Below the Well being Insurance coverage Portability and Accountability Act (HIPAA) of 1996, all well being care suppliers are required to amass and use a 10-digit NPI on all customary transactions with private and non-private well being care applications. Hospitals use organizational NPIs (which apply to a enterprise entity), whereas well being care professionals use particular person NPIs (which apply to a single supplier).
The Facilities for Medicare and Medicaid Companies (CMS), which oversees the registration of NPIs via the CMS Nationwide Plan and Supplier Enumeration System (NPPES), also known as the Nationwide Supplier System (NPS), doesn’t restrict the variety of NPIs a well being care supplier could purchase. Hospitals could use completely different organizational NPIs for various fee applications or payer contracts, or could have inactive NPIs on file (for instance, NPIs could also be saved on file to maintain full affected person information, even when they’re not used). Traditionally, CMS has granted hospitals discretion as as to if to amass distinct NPIs for various models or departments (technically subparts) which have a separate bodily location or license. Some hospitals could use one NPI for all operations, whereas others may have dozens or extra NPIs that they use for various functions.
Why Are Distinctive Nationwide Supplier Identifiers Wanted?
Hospital outpatient claims, submitted on the UB-04 kind or its digital equal, should embrace an deal with and organizational NPI, however these can generally correspond to the deal with of the hospital’s principal campus or a billing workplace relatively than the precise website of care. As hospitals have expanded their footprint, together with via the acquisition of off-campus outpatient practices, payers and claims information analysts have overpassed the place care is definitely being offered.
Not figuring out the location of care is a important barrier to understanding variations in fee throughout completely different websites and whether or not or not that variation is justifiable. For instance, many outpatient facility charge bans and site-neutral fee reform proposals distinguish between on- and off-campus hospital outpatient departments (HOPDs); they usually ban or scale back facility charges just for off-campus websites, however present industrial claims don’t persistently convey this data. (That is in distinction to Medicare, by which suppliers should embrace modifiers on claims that distinguish whether or not care was offered on or off campus.) State legal guidelines banning antitiering or antisteering clauses that hospitals use to ban payers from directing sufferers towards specific, usually lower-cost or higher-quality websites of care, can also have much less of an impact if payers can’t differentiate separate outpatient settings inside a hospital system of their claims.
Recognizing this data hole, states have begun enacting legal guidelines requiring that hospitals purchase and invoice with a novel NPI for every off-campus location or in any other case clearly establish the place of care on claims.
What’s Required By The Newly Enacted Well being Care Bundle?
Starting January 1, 2028, hospitals should register for and invoice with a novel NPI for every off-campus HOPD to obtain fee below Medicare’s Outpatient Potential Cost System (OPPS). Crucial entry hospitals, which obtain cost-based reimbursement for outpatient care, are unaffected.
Coated hospitals will even be required to attest that they’re complying with the distinctive NPI provision. One attestation is due earlier than hospitals start billing with their distinctive NPIs, and a second is due below a schedule CMS is to implement via discover and remark rulemaking. CMS additionally should use rulemaking to determine a evaluate course of for these attestations. The Workplace of Inspector Normal of the Division of Well being and Human Companies should report back to Congress on the attestation evaluate course of by January 1, 2030.
Business specialists report that the strategy of acquiring an NPI is easy—maybe a five-minute activity. Likewise, updating billing programs to make use of the brand new NPI is easy. CMS frequently points up to date coding pointers, and hospitals have employees in place to implement such adjustments. When interviewed for a 2023 report on outpatient facility charge reforms, informants in Colorado couldn’t recall any complaints from hospitals describing a compliance burden associated to the state’s 2018 distinctive NPI legislation.
What Impact Will This Have Exterior Of Medicare?
It’s unclear that this legislation may have any impact outdoors of the Medicare program, together with on the industrial market. The brand new legislation doesn’t impose any express necessities outdoors of Medicare’s OPPS. Many hospitals right this moment could already use separate NPIs for Medicare versus industrial claims and seemingly may proceed to take action below the brand new legislation.
In 2023, CMS issued steerage clarifying that payers may require every subpart of a well being care supplier, together with every off-campus HOPD, to acquire a novel NPI. It’s unclear whether or not payers have made such calls for of their negotiations with hospitals and what the end result has been in that case. Massive insurers and purchasers have been vocal advocates for a federal distinctive NPI requirement, suggesting they haven’t made important headway demanding readability in billing via personal channels as issues stand right this moment.
How To Enhance The Impression Of The New Distinctive Nationwide Supplier Identifier Requirement
Coverage makers will proceed to scrutinize outpatient costs, use, and billing practices, and the way these components fluctuate by website of service, within the coming years. Congress has given payers, regulators, and researchers a brand new instrument to solid mild on this site-based variation, however the view will stay cloudy with out additional motion.
Federally, CMS can examine whether or not it has authority below HIPAA to require hospitals to make use of the brand new location-specific, distinctive NPIs on industrial claims. Present rules require that well being care suppliers should use “the NPI it obtained from the NPS,” together with an NPI for any subpart corresponding to an HOPD, “to establish itself on all customary transactions that it conducts the place its well being care supplier identifier is required.” Suppliers additionally should “disclose its NPI, when requested, to any entity that wants the NPI to establish that lined well being care supplier in a typical transaction.” These guidelines are ambiguous as to which NPI or mixture of NPIs a hospital should use when it has a number of NPIs. CMS may make clear that suppliers should use and disclose the distinctive NPI of any subpart that has one, relatively than another NPI that applies to the broader entity, for all customary transactions.
CMS may additionally take this chance to revamp its NPPES database in order that customers can simply map the distinctive NPIs of any off-campus HOPDs (and different hospital subparts) to the hospital below whose license it’s working. Whereas Medicare at the moment collects hospital NPIs on Medicare enrollment types, many hospitals seem to report solely the NPI(s) they use for billing Medicare. Moreover, when hospitals report a number of NPIs, the info are unfold throughout a number of information units making it cumbersome to patch collectively. For each fee and analysis functions, it’s crucial to know each the precise outpatient location the place care is offered and the hospital that operates the situation.
To the extent CMS doesn’t transfer on both entrance, states can stand in. As beforehand famous, a number of states have already enacted distinctive NPI necessities. The arguments in opposition to doing so have solely diminished: States wouldn’t be imposing any burden on hospitals to amass distinctive NPIs because the hospitals will already should for Medicare (until states search to increase the necessities to crucial entry hospitals). States merely must require that hospitals use their new distinctive NPIs on industrial claims along with Medicare claims. States may additionally require that hospitals report their distinctive NPIs to the state well being division or all-payer claims database for monitoring functions. Neither is a heavy elevate, and such reporting may enormously improve transparency into well being care billing for outpatient companies.
Writer’s Word
The creator is a college member of the Middle on Well being Insurance coverage Reforms at Georgetown College’s McCourt Faculty of Public Coverage. Her time and analysis associated to this text was supported by a grant from West Well being. The creator works on tasks financially supported by Arnold Ventures and Blood Most cancers United, along with West Well being.
Christine Monahan “Distinctive Nationwide Supplier Identifiers And A Push For Transparency” March 25, 2026, https://www.healthaffairs.org/content material/forefront/unique-national-provider-identifiers-and-push-transparency. Copyright © 2026 Well being Affairs by Challenge HOPE – The Individuals-to-Individuals Well being Basis, Inc.