About This IDN Data: Our Methodology and Sources<\/strong><\/h3>\n\n\n\nAmpliz compiles its integrated delivery network data through a combination of primary research, publicly filed Medicare Cost Report data, state and federal hospital licensing disclosures, IRS Form 990 filings for nonprofit health systems, and proprietary data aggregation from verified healthcare facility databases.<\/p>\n\n\n\n
Data update cadence:<\/strong> IDN rankings, revenue figures, and membership counts are refreshed on a quarterly basis to reflect the most recent hospital acquisitions, divestitures, and system restructurings.<\/p>\n\n\n\nRevenue figures:<\/strong> Net patient revenue (NPR) data is sourced from the CMS Medicare Cost Report \u2014 the authoritative federal disclosure that hospitals are required to file annually. NPR represents total patient care revenue after deducting contractual adjustments and is the industry-standard benchmark for IDN financial comparisons.<\/p>\n\n\n\nMember hospital counts:<\/strong> Reflect acute care hospitals that roll up under each IDN’s governance structure, as verified against hospital licensing records and IDN corporate disclosures. Affiliated outpatient centers, physician groups, and post-acute facilities are tracked separately in our full dataset.<\/p>\n\n\n\nStaffed bed counts:<\/strong> Represent operationally active inpatient beds as reported in the most recent available cost report filing, not licensed bed capacity.<\/p>\n\n\n\nGeographic classification:<\/strong> IDN headquarters state classifications are based on the registered corporate address of the parent health system entity, not the state with the largest operational footprint.<\/p>\n\n\n\nThis transparent methodology ensures that Ampliz’s IDN database is one of the most accurate, current, and actionable resources available for healthcare commercial intelligence. If you identify a discrepancy or have data to contribute, our research team can be contacted directly through the Ampliz platform.<\/p>\n\n\n\n
Frequently Asked Questions On IDNs<\/strong><\/h2>\n\n\n\nQ1: What is an IDN in healthcare?<\/strong><\/p>\n\n\n\nAn integrated delivery network (IDN) in healthcare is a coordinated system of hospitals, physician groups, outpatient clinics, post-acute care facilities, and sometimes a proprietary health insurance plan, all operating under unified governance and shared clinical protocols. The IDN model was designed to replace fragmented, fee-for-service care delivery with a coordinated continuum of care from preventive services and primary care through acute hospitalization, surgical intervention, rehabilitation, and chronic disease management. IDNs use shared electronic health record (EHR) systems, centralized supply chain management, and unified quality measurement to improve patient outcomes while reducing redundant care and administrative cost. <\/p>\n\n\n\n
Q2: How many IDNs are there in the US States?<\/strong><\/p>\n\n\n\nThe number of integrated delivery networks in US varies based on the definition and data source applied. Under a strict integration threshold requiring shared governance, unified clinical protocols, and centralized procurement approximately 576 IDNs operate in the United States as of 2026. Broader industry databases that include all health systems operating under network affiliation models track over 900 active IDNs nationally. The count has fluctuated over the past decade primarily because of accelerating consolidation: independent hospitals and smaller regional systems continue to be absorbed into larger IDN structures through mergers and acquisitions. Texas and California are tied for the most IDN headquarters of any state, with roughly 79 each.<\/p>\n\n\n\n
Q3: What is the largest IDN in the United States?<\/strong><\/p>\n\n\n\nAs of 2026, HCA Healthcare headquartered in Nashville, Tennessee is the largest idn in US by net patient revenue, member hospital count, and staffed bed size. HCA operates 214 member hospitals across 21 states, with over 42,000 staffed beds and nearly 1.9 million annual discharges. Its net patient revenue exceeds $42.6 billion annually, placing it well ahead of the second-ranked IDN, CommonSpirit Health, at approximately $29.4 billion. HCA Healthcare is also the largest for-profit hospital operator in the world. CommonSpirit Health, formed through the 2019 merger of Catholic Health Initiatives and Dignity Health, is the largest nonprofit IDN in the United States by revenue. <\/p>\n\n\n\n
Q4: What is a hospital IDN list by state used for?<\/strong><\/p>\n\n\n\nA hospital IDN list organized by state is primarily used by healthcare commercial teams including medical device manufacturers, pharmaceutical companies, health IT vendors, consulting firms, and group purchasing organizations to identify, segment, and prioritize target accounts. At a strategic level, a state-level IDN list helps commercial teams understand market concentration: how many independent decision-making health systems exist in a given geography, how heavily consolidated the market is, and which IDNs command the largest share of patient volume and procurement spending. Healthcare advocacy organizations, health policy researchers, and managed care analysts also use state-level IDN data to study market competition, hospital mergers, and the impact of consolidation on healthcare pricing and access.<\/p>\n\n\n\n
Q5: How do IDNs affect medical device and pharmaceutical procurement?<\/strong><\/p>\n\n\n\nIntegrated delivery networks fundamentally reshape how medical device manufacturers and pharmaceutical companies approach market access. Because IDNs consolidate purchasing authority across multiple hospitals and outpatient sites under a single governance structure, a contract or formulary approval at the IDN level can generate adoption across dozens of facilities simultaneously. Most large IDNs operate formal value analysis committees (VACs) that evaluate products based on clinical outcomes evidence, total cost-of-care impact, and compatibility with existing clinical workflows. <\/p>\n","protected":false},"excerpt":{"rendered":"
Last updated on April 6th, 2026 The list of IDNs in the US 2026 includes the largest integrated delivery networks ranked by revenue, hospital size, and patient volume. These networks drive the nation\u2019s healthcare delivery, combining hospitals, clinics, and physician groups to ensure coordinated, value-based care. What are Integrated Delivery Networks (IDN)? An integrated delivery network (IDN In US) is an organization with a group of allied healthcare providers along with local healthcare facilities. Integrated delivery networks (IDNs), is an organization that manages end-to-end healthcare facilities of one or more healthcare centers in a defined geographical location. IDNs are created with a vision to provide quality care and improve patient satisfaction. On average, there are 576 IDNs in the United States. As of January 2026, Nashville-based HCA Healthcare is the largest IDN in the United States with 214 member hospitals and a total net patient revenue of nearly $42.6 billion. Common Spirit Health and Kaiser Permanente are honored with the second and third largest health systems concerning revenue size and the hospital network. Know-How IDNs Impact its Buiness Ampliz integrated delivery network data will give you clear data insights into healthcare facilities, revenue size, patient volume, collaboration, affiliates, funding status, partnership, recent contribution, surgical trends, investments, and exclusively more. Using clear insights, you can reach healthcare stakeholders, IDN influencers, outpatient providers, allied healthcare providers and payer groups. How Integrated Delivery Networks Differ from Standard Hospital Systems While the term “hospital system” is often used interchangeably with integrated delivery network, the distinction carries real operational weight for healthcare marketers, vendors, and policy professionals alike. A standard multi-hospital system may own several facilities without coordinating their clinical workflows, procurement, or patient referral pathways. An integrated delivery network (IDN), by contrast, operates as a fully unified entity \u2014 sharing a single governance structure, coordinated care protocols, centralized supply chain management, and often a proprietary or contracted health plan. This end-to-end coordination is what makes IDNs in the United States uniquely powerful. When a patient enters the system through a primary care clinic, receives specialist referral, undergoes inpatient surgery, and transitions to post-acute rehabilitation, an IDN manages every touchpoint under one administrative umbrella. Electronic health records (EHR) are shared across facilities, billing is consolidated, and quality metrics are tracked system-wide. For pharmaceutical manufacturers, medical device suppliers, and health IT vendors, this structure fundamentally changes the sales and access strategy. A single formulary approval or technology contract with an IDN’s value analysis committee (VAC) can result in adoption across dozens sometimes hundreds of affiliated hospitals, outpatient centers, and physician practices. Understanding what an IDN is in healthcare goes beyond the definition. It requires knowing how IDN governance works, who the true decision-makers are, and how procurement authority is distributed between system-level executives and individual facility administrators. Advantages of Integrated Delivery Network IDNs provide you with a wide array of inpatient and outpatient care services for hospitals, physicians group, ambulatory surgery centers, Private Health clinics, and Scan centers. Classifications Of Largest IDNs in the US IDNs are classified based on the integration level of member healthcare facilities, healthcare procurement, hospices, and care coordination. Horizontal integration: National, State, government, and investor-owned IDNs come under horizontal integration. Horizontal integration includes the formation of the multi-hospital system, mergers, and strategic alliances with allied hospitals to form a local integrated network Vertical integration: Vertical combinations include the acquisition of primary care physicians, healthcare maintenance organizations. Vertical integration offers cradle-to-grave healthcare services ranging from prenatal care to hospices and assisted living facilities all within the system. IDN Governance Structure: Who Makes the Decisions? One of the most common questions from healthcare sales and marketing professionals is: who actually controls purchasing within an integrated delivery network? The answer varies by IDN size, ownership model, and service line but follows recognizable patterns. System-Level Leadership (C-Suite & VP Layer) The IDN Chief Executive Officer, Chief Medical Officer, Chief Supply Chain Officer, and Chief Financial Officer set the strategic and financial parameters within which all purchasing decisions are made. For high-value medical technology acquisitions, capital equipment, and enterprise software, final approval typically rests at this level. Access to these stakeholders requires a combination of relationship development, evidence-based clinical data, and documented ROI. Value Analysis Committees (VACs) The VAC is the gatekeeper for most product-level procurement decisions. Composed of physicians, nurses, pharmacy leads, and supply chain professionals, a VAC evaluates clinical utility, patient outcomes data, cost-per-episode impact, and compatibility with existing workflows. Gaining VAC approval is the critical milestone for any supplier seeking formulary inclusion or preferred vendor status across an IDN’s member facilities. Facility-Level Administrators For products with local variation in clinical preference or operational need, IDN member hospital administrators and department heads retain partial purchasing autonomy. However, this autonomy is narrowing as IDN consolidation deepens and system-wide standardization becomes a financial imperative. Physician Champions and Service Line Directors Within clinical departments cardiology, orthopedics, oncology, neurology service line directors and key physician champions serve as influential voices in product evaluations. Their clinical endorsement often precedes and enables formal VAC review. Understanding this layered decision-making structure is essential when developing an IDN engagement strategy. Ampliz’s integrated delivery network data maps these stakeholder relationships at the system, facility, and individual contact level \u2014 giving sales teams a clear engagement roadmap. Why Integrated Delivery Network are Important in Healthcare As the IDN landscape evolves, having a clear strategy for engaging Champions, Gatekeepers, and Influencers will become increasingly important. To identify stakeholder groups most receptive to a product value proposition, the engagement strategy should consider three critical factors: Product differentiation, Product usage, and degree of IDN Consolidation. With economic pressures escalating and related to the profitability of the hospital in US, provider network integration and consolidation will remain a defining factor of the US healthcare landscape. USA Integrated Delivery Network Market Growth Over the last decade, the US has witnessed the increased evolution of health systems into highly integrated delivery networks (IDNs). IDN\u2019s level of influence has grown substantially as networks with the integration of acute hospitals, outpatient<\/p>\n","protected":false},"author":13,"featured_media":2821,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[521],"tags":[1042,1043,1044,1045,1046,1047,1048,1049,1050,1051,1052,1053,1054,1055,1056,1057,1058,1059,1060],"class_list":["post-2820","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-healthcare-marketing","tag-advantages-of-integrated-delivery-network","tag-how-many-idns-are-there-in-the-us","tag-idn","tag-idn-by-patient-revenue","tag-idn-hospital-network","tag-idn-in-healthcare","tag-integrated-delivery-network","tag-integrated-delivery-network-data","tag-integrated-delivery-network-idn","tag-integrated-delivery-network-market","tag-integrated-delivery-networks-by-state","tag-largest-idns-in-the-us","tag-largest-idns-in-united-states","tag-top-idns-in-the-us","tag-top-integrated-delivery-networks","tag-what-are-the-advantages-of-an-integrated-delivery-network","tag-what-is-a-hospital-idn","tag-what-is-a-idn-in-healthcare","tag-what-is-an-idn-hospital"],"_links":{"self":[{"href":"https:\/\/www.ampliz.com\/resources\/wp-json\/wp\/v2\/posts\/2820","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ampliz.com\/resources\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ampliz.com\/resources\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ampliz.com\/resources\/wp-json\/wp\/v2\/users\/13"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ampliz.com\/resources\/wp-json\/wp\/v2\/comments?post=2820"}],"version-history":[{"count":2,"href":"https:\/\/www.ampliz.com\/resources\/wp-json\/wp\/v2\/posts\/2820\/revisions"}],"predecessor-version":[{"id":5395,"href":"https:\/\/www.ampliz.com\/resources\/wp-json\/wp\/v2\/posts\/2820\/revisions\/5395"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.ampliz.com\/resources\/wp-json\/wp\/v2\/media\/2821"}],"wp:attachment":[{"href":"https:\/\/www.ampliz.com\/resources\/wp-json\/wp\/v2\/media?parent=2820"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ampliz.com\/resources\/wp-json\/wp\/v2\/categories?post=2820"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ampliz.com\/resources\/wp-json\/wp\/v2\/tags?post=2820"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}