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Healthcare Insights

How many oncologists are in the U.S.?

There were more than 1.6 million new cancer cases in the U.S. in 2020. And while cancer treatments continue to advance, the healthcare providers that treat patients with cancer play a vital role in their path to remission.

What is an oncologist?

An oncologist is a physician who specializes in studying, diagnosing, and treating tumors and cancers. Oncologists work at some of the leading cancer centers, academic medical centers, and physician groups across the country.

What are the different types of oncologists?

Oncology doctors tracked in PhysicianView may have oncology listed as their primary specialty, or they may fall under radiology or surgery specialties as radiation oncologists and surgical oncologists.

Medical oncology specialties

How many oncologists are in the U.S.?

As of August 2023, the PhysicianView product tracks 19,017 oncologists in the U.S. as well as 5,826 radiation oncologists and 1,398 surgical oncologists for a total of 26,241 oncologists.

Most common oncology specialties

RankPrimary specialtyNumber of physicians trackedExplore dataset
2Radiation oncology5,826Explore
3Medical oncology4,706Explore
4Pediatric hematology/oncology2,137Explore
5Surgical oncology1,398Explore
6Gynecological oncology1,298Explore

Fig. 1  Data is from the Definitive Healthcare PhysicianView product. Accessed August 2023.

What is the most common oncology specialty?

Nearly 11,000 of the physicians tracked in PhysicianView are hematologist/oncologists, the most common oncology specialty.

Radiation oncologists and medical oncologists are the next two most common oncology specialties with approximately 5,800 providers and 4,700 providers, respectively.

Learn more

Healthcare Insights are developed with healthcare commercial intelligence from the Definitive Healthcare platform. Want even more insights? Start a free trial now and get access to the latest healthcare commercial intelligence on hospitals, physicians, and other healthcare providers.