Top 20 Largest Hematology Physician Groups in the USA by Physician Count

Hematology is a specialized field of medicine that focuses on the diagnosis, treatment, and prevention of blood disorders, including conditions like anemia, clotting disorders, leukemia, lymphoma, and sickle cell disease. In the United States, many largest hematology physician groups provide critical services to millions of patients suffering from these conditions. We delves into the 20 hematology physician groups by Physician Count, offering insights into their scale and influence in the healthcare landscape.

Additionally, we will explore how healthcare professionals and organizations can access valuable data, such as physician contacts and detailed profiles, through healthcare database providers like Ampliz.

Top 20 Largest Hematology Physician Groups in the USA by Physician Count

Table 1: Real time data from Ampliz healthcare Intelligence. Data Accessed on January 2026.

Insights into Hematology Physician Groups in the USA

The hematology sector in the United States is dominated by large academic medical centers, integrated healthcare systems, and research-driven hospitals. Institutions like MD Anderson Cancer Center, Mayo Clinic, and Cleveland Clinic are consistently at the top of the list, owing to their size, research contributions, and comprehensive treatment offerings for both blood disorders and cancers.

These groups have earned their place by providing top-tier care to individuals diagnosed with life-threatening hematologic diseases, conducting innovative research, and educating the next generation of specialists.

Factors Driving the Growth of These Hematology Groups

1. Aging Population: As the U.S. population ages, the prevalence of blood disorders and cancers also increases.
2. Advancements in Hematology: The ongoing development of novel therapies, particularly in the fields of oncology and stem cell transplantation, has expanded the scope of hematology care. As a result, more patients seek treatment at specialized centers with access to cutting-edge therapies.
3. Research and Innovation: Academic medical centers and cancer hospitals are often at the forefront of hematology research. This contributes not only to improved patient outcomes but also to their position as leaders in the field.
4. Comprehensive Treatment Offerings: The largest groups often offer a full spectrum of services, including diagnostic testing, treatment, rehabilitation, and clinical trials. This integrated care model attracts more patients and further drives.

Accessing Hematology Physician Groups Contact Data with Ampliz

In today’s healthcare landscape, access to accurate and up-to-date contact information for hematology physician groups is crucial for professionals in medical research, pharmaceutical companies, insurance firms, and healthcare marketing.

One way to efficiently obtain this data is by utilizing healthcare database providers like Ampliz. Ampliz offers comprehensive and customizable databases of healthcare professionals, including hematologists, oncologists, and other specialists. The platform allows users to filter physician groups based on location, specialization, and billing data, making it easier to target specific healthcare organizations for outreach, collaboration, or research purposes.

Key Benefits of Using Ampliz for Contact Data:

1. Comprehensive Coverage: Ampliz provides access to contact information for over 10 million healthcare professionals, including hematologists. This includes email addresses, phone numbers, hospital affiliations, and more.
2. Customized Data: With Ampliz, you can customize your search by various parameters like location, specialty, and the volume of physician count, ensuring you reach the right individuals or organizations.
3. Accurate and Verified Data: Ampliz ensures that its data is regularly updated and verified, which helps in avoiding errors and wasted outreach efforts.
4. Targeted Outreach: Whether you’re a pharmaceutical company looking to promote a new blood disorder drug or a researcher seeking to connect with key opinion leaders in hematology, Ampliz’s advanced search and segmentation tools enable precise targeting.
5. Compliance: Ampliz complies with data privacy regulations, ensuring that the data is ethically sourced and used in line with applicable healthcare laws.

Conclusion

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The largest hematology physician groups in the United States play a pivotal role in the treatment of blood-related disorders and cancers. These institutions are not only at the forefront of clinical care but also in research and innovation, driving improvements in patient outcomes.

For those in the healthcare industry, accessing detailed contact data for these hematology groups is essential for fostering partnerships, conducting research, and ensuring effective outreach. Ampliz, as a leading healthcare database provider, offers valuable resources for obtaining accurate and up-to-date contact information for hematology physician groups, further enhancing the ability to connect with key players in the field.

By understanding these influential institutions and leveraging the power of data, healthcare professionals and organizations can better navigate the complexities of the hematology sector.