Targeting Hematologists in the US

Hematologists are one of the highest-value physician audiences in medicine, and among the harder to reach. Blood and bone marrow disorders span everything from Anemia, Sickle Cell Disease and clotting disorders to Leukemia, Lymphoma and Myeloma, and many Hematologists practice as combined Hematologist-Oncologists. It is a small, highly specialized field managing some of the most complex and expensive therapies in Healthcare. Our HCP Targeting is audience-based, not Contextual, so we reach the Hematologist as a clinician and as a person, wherever they browse: news, finance, technology, sport, travel, food, lifestyle and health content alike. That is broader reach across brand-safe, premium inventory, through Programmatic and Managed Campaigns, in the US.

HCP Targeting with USA Flag & Stethoscope

Our HCP Targeting (including this Hematologist Targeting Segment) is available in the USA only, delivered with geo-targeting to the United States.

Need to reach HCP audiences based outside the US? It’s harder, but we’ve had success targeting them through Clinical Websites and Contextual Targeting.

The Hematologist Audience

Hematologists are a small and highly specialized physician audience, and many practice as combined Hematologist-Oncologists within a workforce of roughly 14,500. They diagnose and manage diseases of the blood and bone marrow across two worlds: benign Hematology, including Anemia, Sickle Cell Disease, Hemophilia and bleeding disorders, Thrombosis and anticoagulation, ITP and bone marrow failure; and malignant Hematology, including Leukemia, Lymphoma and Multiple Myeloma. They own some of the highest-cost, most specialized treatment relationships in medicine, from Clotting Factor and gene therapies to Sickle Cell agents and blood-cancer regimens, which makes them a high-value audience for Pharmaceutical, Biotech, Diagnostics and Healthcare Technology brands. As the blood-disorder and blood-cancer pipeline expands with gene and cell therapies, Hematologists sit at the center of a high-value, high-growth market and are worth reaching at scale.

Why Advertise to Hematologists

Hematologists sit on top of some of the highest-cost and fastest-growing drug markets in all of medicine. On the drug side they choose and manage Anticoagulants for Thrombosis, Clotting Factor and non-factor therapies like Emicizumab for Hemophilia, a wave of new Gene Therapies for Hemophilia and Sickle Cell Disease, Sickle Cell agents like Hydroxyurea, Voxelotor and Crizanlizumab, Iron therapies and Erythropoiesis-Stimulating Agents for Anemia, Thrombopoietin Agonists for ITP, and, for those in Hematologist-Oncology, targeted and immunotherapy regimens for Leukemia, Lymphoma and Myeloma. On the diagnostics side they drive demand for Bone Marrow testing, Flow Cytometry, and molecular and cytogenetic diagnostics. Their influence reaches well beyond a single prescription. Hematologists sit on the committees that decide which high-cost therapies a health system will stock, set the treatment pathways that standardize care, and lead the Clinical Trials that bring new blood therapies to market. Winning the Hematologist shapes prescribing across a small but extraordinarily high-value market.

Take an “Always On” Strategy for Targeting Hematologists

Hematologists TargetingHematologists are a small, in-demand audience carrying heavy caseloads, and they are some of the busiest people in medicine: booked out for weeks and moving between clinic, infusion, tumor boards and research. You can rarely predict when one is online, whether it is between patients, after a full clinic day or on a weekend.

That is why we recommend an Always On strategy for an audience like this: run the campaign 24/7, 365 days a year so you reach Hematologists whenever they surface, not just in a short burst. Continuous delivery builds reach and frequency over time, so you are already in front of them by the time your message matters most.

An Always On budget goes further with an Omnichannel approach. Rather than betting on one screen, you reach Hematologists across the whole day: on their phone between patients, through a podcast in the car, on the office desktop between cases, and on Connected TV while they unwind at home. Same audience, more moments, more chances for your message to land.

Activating a Hematologist Audience with our HCP Targeting

Activating a Hematologist audience with our HCP Targeting is quick and simple. Choose the campaign activation setup that suits your team: run it yourself programmatically, or hand the whole campaign setup and management to our team.

Programmatic Activation

DSP Agnostic, we package our Hematologist HCP audience segments as a Deal ID / PMP, so your own media traders can activate them in your own Programmatic workflow, retaining full control over campaign budget, creative, optimization and performance. Setup time frame is usually same day / next day for HCP Campaigns.

Managed Campaign Activation

Prefer us to run your HCP Campaigns? Our Expert Managed Campaign team plans, builds, manages and optimizes your Hematologist campaign end to end across premium, brand-safe inventory. HCP Managed Campaigns typically take 5 to 7 working days to go live, from the initial discussion through Insertion Order and reporting setup.

Healthy Ads’ HCP Targeting

Healthy Ads’ HCP Targeting draws on multiple data partnerships to reach verified healthcare professionals at scale. Our partners hold audited, NPI-level records of US clinicians and resolve each one to their digital identities across devices, so your ads match real specialists like Hematologists. The data is privacy-safe and de-identified, and your campaigns run on premium, brand-safe inventory.

Health Targeting is in our DNA

Since 2012, Healthy Ads has been the leader in Health Advertising, delivering Health Targeting across premium publisher content in Real Time. From OTC and Prescription (Rx) brands to B2B, we serve every kind of health advertiser. However you need to reach your audience, we have industry-leading advertising solutions to cover your health campaigns: Contextual Targeting, HCP Targeting, Website Category Targeting and Retargeting.

Related HCP Audiences

Hematologists rarely work alone. They coordinate care across the whole cancer journey, from diagnosis and surgery to treatment, supportive care and survivorship. If you are targeting Hematologists, these related HCP audiences are worth reaching too.

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To activate a HCP Targeting campaign for Hematologists or any other medical professionals, download our Media Kit or contact our team to get started. We’ll help you plan the audience, channels and Always On strategy.

Frequently Asked Questions (FAQs)

A Hematologist is a physician who specializes in diseases of the blood and bone marrow. They diagnose and treat conditions like Anemia, Sickle Cell Disease, Hemophilia and other bleeding disorders, Thrombosis and clotting problems, and blood cancers such as Leukemia, Lymphoma and Myeloma. Many complete combined training in Hematology and Oncology and practice as Hematologist-Oncologists.

Hematology is a small, highly specialized field. Many Hematologists train and practice as combined Hematologist-Oncologists, within a workforce of roughly 14,500, while a smaller group focus primarily on non-malignant (benign) Hematology. Either way, Hematologists are a scarce, high-value and hard-to-reach audience.

Hematologists generally fall into two areas. Benign (non-malignant) Hematologists focus on Anemia, Sickle Cell Disease, Hemophilia and clotting and bleeding disorders, Thrombosis and bone marrow failure. Malignant Hematologists, often Hematologist-Oncologists, focus on blood cancers like Leukemia, Lymphoma and Multiple Myeloma. Some subspecialize further in Hemostasis and Thrombosis, Bone Marrow Transplant or Classical Hematology.

Hematologists treat the full range of blood and bone marrow disorders. That includes Anemias such as iron deficiency, Sickle Cell Disease and Thalassemia, bleeding disorders like Hemophilia and von Willebrand Disease, clotting disorders and Thrombosis, platelet disorders like ITP, bone marrow disorders including MDS and aplastic anemia, and blood cancers such as Leukemia, Lymphoma and Multiple Myeloma.

We package Hematologists as an audience segment you can activate through HCP Targeting. It is audience-based, not Contextual, so your ads follow verified Hematologists across premium, brand-safe inventory wherever they browse, delivered Programmatically as a Deal ID or PMP, or run for you as a Managed Campaign.

Everywhere they spend time online, not just on medical sites. Because our targeting is audience-based, your ads reach Hematologists across news, finance, technology, sport, travel, food, lifestyle and health content, and across devices, from mobile and desktop to Connected TV.

Our HCP Targeting is available in the USA only, delivered with geo-targeting to the United States. To reach Hematologists or other Healthcare Professionals based outside the US, we use Clinical Websites and Contextual Targeting instead.

HCP Targeting is advertising that reaches Healthcare Professionals as an audience, wherever they browse, rather than by the page they are on. It uses privacy-safe, de-identified data to match verified clinicians like Hematologists, so your message reaches the right people across brand-safe, premium inventory.

Yes. Our HCP Targeting uses privacy-safe, de-identified data from audited partners, with no personal health information exposed. Clinicians are matched at the audience level and campaigns run on premium, brand-safe inventory.

We can target a wide range of Healthcare Professionals, from Primary Care through to specialists. Explore the full list on our Targeting Health Care Professionals page.

Last Updated: 16-Jul-2026