Companies using Flatiron Health OncoEMR in 2026 — 20,412 Verified Companies & Customers

Flatiron Health OncoEMR is a leading Healthcare Software platform currently deployed by 20,412 companies worldwide. Flatiron Health OncoEMR is used by 20,412 companies worldwide. Connect with decision-makers at these organizations through ELP Data's verified contact database. Organizations across Hospital Systems, Physician Groups, Ambulatory Care represent the strongest user base, making Flatiron Health OncoEMR contacts a high-value segment for complementary solution providers, implementation partners, and specialist consulting firms.

ELP Data's verified Flatiron Health OncoEMR users list gives you direct access to 20,412 confirmed companies running Flatiron Health OncoEMR in their technology stack. Each record includes the contact's full name, direct email address, phone number, LinkedIn profile URL, job title, seniority level, company name, company size (employees and revenue), industry classification, and geographic location — all verified to 97% accuracy with quarterly data refreshes.

The typical Flatiron Health OncoEMR buyer and decision-maker profile includes CIO, CMIO, Health IT Director — professionals with direct budget authority and technology purchasing influence at their organisations. These contacts are actively evaluating software solutions that integrate with, extend, or complement their existing Flatiron Health OncoEMR environment, making them highly receptive to targeted B2B outreach from relevant vendors and service providers.

Companies that purchase the Flatiron Health OncoEMR users list from ELP Data use it for a wide range of B2B sales and marketing campaigns: selling complementary software integrations, offering Flatiron Health OncoEMR implementation and customisation consulting, promoting training and certification programmes, running account-based marketing (ABM) campaigns by industry or company size, and competitive displacement targeting. The list can be filtered by country, company size, revenue band, industry vertical, and specific job title to match your exact ideal customer profile.

The Flatiron Health OncoEMR installed base spans companies of every size — from fast-growing mid-market firms to Fortune 500 enterprises with global deployments. This diversity means the list serves multiple go-to-market motions simultaneously: enterprise sales teams can filter for companies with 5,000+ employees and specific industry codes, while SMB-focused vendors can target the long tail of smaller organisations that have adopted Flatiron Health OncoEMR for the first time. Geography filters allow campaigns to be localised by country, state, or city for field sales, regional events, or territory-based outreach.

ELP Data sources Flatiron Health OncoEMR install data from technology job postings, LinkedIn technology signals, integration partner directories, software review platforms, and verified firmographic databases — then cross-references every record against live business registries and direct email verification tools. The result is a list that reflects who is actually running Flatiron Health OncoEMR today, not who ran it two years ago. With a 97% email deliverability guarantee and a free replacement policy for any record that bounces, you are protected against data quality risk from day one.

The total addressable market for vendors targeting Flatiron Health OncoEMR users is defined by the 20,412 confirmed companies currently running Flatiron Health OncoEMR worldwide. This installed base represents the universe of organisations that have already invested in the Healthcare Software category — meaning they have validated budget, a procurement process, and active technology decision-makers in place. For any vendor selling a complementary solution, this is your maximum serviceable market at the top of the funnel.

Within the 20,412 total companies, the realistic serviceable addressable market (SAM) narrows based on your product fit, target company size, and geographic focus. For example, an enterprise software vendor targeting companies with 1,000+ employees operating in financial services would find approximately 30% of the list — or 6,124+ companies representing their highest-priority accounts. The ability to slice the Flatiron Health OncoEMR list by industry vertical, company size band, revenue range, and geography is what converts a broad TAM into an actionable pipeline.

Decision-maker density is a critical TAM multiplier. Most of the 20,412 Flatiron Health OncoEMR companies have multiple relevant contacts — the average enterprise has between 3 and 7 decision-makers involved in a technology purchase. ELP Data maps all relevant titles at each account: CIO, CMIO, Health IT Director, Clinical Informatics Lead and more. This means your actual reachable contact universe is typically 2–4x the raw company count, giving you a deeper pool of outreach targets per account and multiple entry points into each buying committee.

The Flatiron Health OncoEMR installed base represents one of the most commercially valuable B2B target segments available. Companies that have already invested in Flatiron Health OncoEMR have demonstrated a willingness to purchase and deploy enterprise software — they have budget, a procurement process, and decision-makers who are accustomed to evaluating technology solutions. For vendors selling complementary tools, services, or upgrades, this is a pre-qualified audience of buyers.

Unlike generic email lists or broad industry databases, the Flatiron Health OncoEMR users list is built on verified technology install signals. ELP Data tracks which companies are actively running Flatiron Health OncoEMR through job postings, LinkedIn technology signals, integration partner data, and direct verification — meaning every company in the list is a confirmed Flatiron Health OncoEMR user, not an estimate. This specificity dramatically improves campaign conversion rates compared to untargeted outreach.

The decision-makers in this list — CIO, CMIO, Health IT Director, Clinical Informatics Lead — hold direct budget authority for technology purchases in the 20,412 companies using Flatiron Health OncoEMR. They are actively engaged with the Healthcare Software ecosystem, making them highly receptive to relevant vendor outreach, especially for solutions that integrate with, extend, or modernise their existing Flatiron Health OncoEMR environment. Timing matters: companies that have recently deployed Flatiron Health OncoEMR are in an active expansion phase and are most likely to purchase additional solutions.

ELP Data refreshes the Flatiron Health OncoEMR users list quarterly, removing companies that have churned off the platform and adding newly identified users. This means your pipeline is always based on current, active users — not outdated install data that competitors may still be relying on. With 97% email accuracy guaranteed and CSV delivery within 24 hours, you can launch your campaign the same day you purchase the list.

For sales teams running territory-based motions, the Flatiron Health OncoEMR list can be sliced by geographic region to build focused prospect sets for each account executive. For channel partners and resellers, the list is a powerful tool for identifying end-customer accounts where a conversation about Flatiron Health OncoEMR licensing, support, or expansion is immediately relevant. Whatever your go-to-market model — direct sales, channel, or inbound-assisted — the Flatiron Health OncoEMR installed base is a commercially actionable starting point that eliminates the prospecting phase and lets your team focus on selling.