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Healthcare Insights

Top 10 cancer centers by total physicians

The Commission on Cancer (CoC) is a professional organization accrediting healthcare facilities that meet specific standards for quality cancer care. Hospitals recognized by the CoC have demonstrated a commitment to providing high-quality cancer treatment by employing qualified cancer specialists, offering a comprehensive range of treatment options and support services, and continuously improving their cancer care programs.

The Definitive Healthcare HospitalView product tracks more than 1,100 hospitals recognized by the CoC. This Healthcare Insight reviews the top cancer centers in the U.S. based on the total number of affiliated physicians at the hospital. The number of affiliated physicians represents the count of billing providers who submit their largest number of claims with the given facility.

Top U.S. cancer centers by number of physicians

RankHospital nameHQ stateTotal HCPsOncologistsExplore dataset
1Hackensack University Medical CenterNJ10,946186Explore
2Cleveland Clinic Main CampusOH10,302166Explore
3Intermountain Health Lutheran Hospital CO10,227152Explore
4Henry Ford Jackson Hospital MI10,095100Explore
5AdventHealth Orlando FL8,660133Explore
6Staten Island University Hospital - North CampusNY8,610157Explore
7Trinitas Regional Medical Center - Williamson Street Campus NJ8,481198Explore
8Chester County HospitalPA8,169185Explore
9NewYork-Presbyterian Westchester NY7,965213Explore
10Corewell Health William Beaumont University Hospital MI7,73192Explore

Fig. 1. Data is from the Definitive Healthcare HospitalView product. The number of affiliated physicians is sourced from Physician Compare and Definitive Healthcare proprietary research. Data accessed July 2025.

Which cancer center has the most physicians?

Hackensack University Medical Center in New Jersey has the highest number of physicians among CoC-accredited cancer centers, with more than 10,900 affiliated providers, including more than 180 oncologists. Hackensack Meridian John Theurer Cancer Center is ranked the best cancer center in New Jersey and among the top 50 cancer centers in the nation, according to U.S. News & World Report.

Cleveland Clinic Main Campus in Ohio and Intermountain Health Lutheran Hospital in Colorado follow closely, with 10,302 and 10,227 affiliated physicians, respectively. Both institutions are known for their multidisciplinary cancer care programs and strong emphasis on innovation in oncology.

Overall, this list offers a springboard for identifying high-value targets within the cancer center market. By pinpointing affiliated providers at these centers, life science companies can target the most relevant specialists, engage with key decision-makers at top cancer programs, connect with potential clinical trial sites, inform market access strategies, and more.

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Healthcare Insights are developed with healthcare commercial intelligence from the Definitive Healthcare platform. Need more insights around cancer diagnoses or oncology KOLs? Start a free trial now and get access to the latest healthcare commercial intelligence on hospitals, physicians and other healthcare providers.