Top oncologists in the USA
| Company Name | Country | City | Address 1 | State/Province | Postal Code | Website | Founding Year | Yearly Revenue in U.S. Dollars | Employees Total | Business Legal Type - Description | Number of Companies in Group | Company Registration Number | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Upmc | USA | Pittsburgh | 200 Lothrop St | Allegheny | 15213-2536 | hillman.***** | 1982 | $33,563,291,000 | 80,000 | Corporation | 661 | 0000757474 |
| 2 | Arthur G. James Cancer Hospital And Richard J. Solove Research Institute Foundation | USA | Columbus | 460 W 10th Ave | Franklin | 43210-1240 | cancer.***** | 1985 | $2,533,176,995 | 35 | Corporation | 503 | 496220 |
| 3 | Fred Hutchinson Cancer Center | USA | Seattle | 1100 Fairview Ave N | King | 98109-4433 | fredhutch.***** | 1998 | $1,614,616,709 | 4,653 | Corporation | 11 | 601883375 |
| 4 | Us Oncology Holdings, INC. | USA | The Woodlands | 10101 Woodloch Forest Dr | Montgomery | 77380-1975 | usoncology.***** | 2010 | $589,639,504 | 4,800 | Corporation | 913 | 3778459 |
| 5 | Us Oncology, INC. | USA | The Woodlands | 10101 Woodloch Forest Dr | Montgomery | 77380-1975 | usoncology.***** | 2004 | $493,884,014 | 4,800 | Corporation | 913 | 2314505 |
| 6 | 21st Century Oncology Holdings, INC | USA | Cape Coral | 1419 Se 8th Ter | Lee | 33990-3213 | 21concologyleecounty.***** | 1983 | $489,860,607 | 3,930 | Corporation | 340 | 4436694 |
| 7 | Florida Cancer Specialists & Research Institute, LLC | USA | Fort Myers | 4371 Veronica S Shoemaker Blvd | Lee | 33916 | flcancer.***** | 1998 | $468,120,375 | 4,200 | Corporation | 81 | L98000000430 |
| 8 | Henry Ford Health Genesys Hospital | USA | Grand Blanc | 1 Genesys Pkwy | Genesee | 48439-8065 | henryford.***** | 2024 | $419,384,530 | 3,739 | Corporation | 312 | 800799749 |
| 9 | Jewish Hospital Of Cincinnati, INC. | USA | Cincinnati | 4777 E Galbraith Rd | Hamilton | 45236-2814 | mercy.***** | 2009 | $350,683,282 | 2,500 | Corporation | 485 | N/A |
| 10 | Christus Health Northern Louisiana | USA | Shreveport | 1453 E Bert Kouns Industrial Loop | Caddo | 71105-6800 | christushealth.***** | 1998 | $318,207,549 | 1,900 | Corporation | 316 | 04502480N |
| 11 | Chesapeake Oncology-Hematology Associates, P.A. | USA | Baltimore | 3001 S Hanover St | Baltimore City | 21225-1233 | medstarhealth.***** | 1983 | $200,415,649 | 12 | Corporation | 2 | D02209286 |
| 12 | West Penn Allegheny Health System, INC. | USA | Pittsburgh | 4800 Friendship Ave | Allegheny | 15224 | ahn.***** | 2012 | $181,055,298 | 13,000 | Corporation | 254 | 0002907909 |
| 13 | Mary Bird Perkins Cancer Center | USA | Baton Rouge | 6955 Perkins Rd | East Baton Rouge | 70808-4267 | marybird.***** | 1968 | $169,638,286 | 300 | Corporation | 6 | 03809550N |
| 14 | Georgetown Community Hospital, LLC | USA | Georgetown | 1140 Lexington Rd | Scott | 40324-9330 | georgetowncommunityhospital.***** | 1790 | $167,034,909 | 260 | Corporation | 1255 | 2956753 |
| 15 | Fremont Health | USA | Fremont | 450 E 23rd St | Dodge | 68025-2387 | nebraskacancer.***** | 1940 | $132,041,000 | 900 | Corporation | 9 | 10164111 |
| 16 | Intermountain Foundation - Park City Hospital | USA | Park City | 900 Round Valley Dr Ste 1 | Summit | 84060-7552 | doctors.***** | 2017 | $118,458,902 | 8 | N/A | N/A | |
| 17 | Miami Cancer Institute At Baptist Health, INC. | USA | Coral Gables | 6855 Sw 57th Ave | Miami-dade | 33143-3647 | cancer.***** | 2016 | $112,935,556 | 2 | Corporation | N/A | N15000000397 |
| 18 | P C Rpci Oncology | USA | Buffalo | Elm & Carlton St | Erie | 14263-0001 | roswellpark.***** | 2012 | $102,064,282 | 53 | Corporation | 2 | 4286394 |
| 19 | The Institute For Cancer Research | USA | Philadelphia | 333 Cottman Ave | Philadelphia | 19111-2434 | foxchase.***** | 1972 | $98,782,288 | 1 | Corporation | 171 | 236296135 |
| 20 | City Of Hastings, Nebraska | USA | Hastings | 2727 W 2nd St | Adams | 68901-4684 | nebraskacancer.***** | 1872 | $87,206,026 | 225 | Corporation | 14 | N/A |
| 21 | Hudson Hospital Opco, LLC | USA | Jersey City | 176 Palisade Ave | Hudson | 07306-1121 | carepointhealth.***** | 2024 | $79,122,000 | 1,350 | Corporation | 18 | 5120386 |
| 22 | Punxsutawney Area Hospital, INC. | USA | Punxsutawney | 81 Hillcrest Dr | Jefferson | 15767-2616 | hillman.***** | 2020 | $69,642,000 | 370 | Corporation | 11 | 0000666213 |
| 23 | Siouxland Regional Cancer Center | USA | Sioux City | 230 Nebraska St | Woodbury | 51101-1733 | nylencancercenter.***** | 1992 | $68,929,422 | 98 | Corporation | N/A | N/A |
| 24 | Bradford Hospital | USA | Bradford | 116 Interstate Pkwy | Mckean | 16701-1097 | uahs-services.***** | 1887 | $63,029,722 | 650 | Corporation | 90 | 0000714480 |
| 25 | Mgmc LLC | USA | Washington | 3800 Reservoir Rd Nw | District of Columbia | 20007-2113 | medstarhealth.***** | 2018 | $56,000,854 | 177 | Corporation | 2 | L05503 |
Showing 25 of 6,868 companies
Request Free SampleOncologists in the USA by state
6,868 oncologists across 13 US states. Hover any state to see its share of the US oncologists market.
Oncologists in the USA by employee size
| Bracket | Companies | Share |
|---|---|---|
| 1-4 | 3,869 | |
| 5-9 | 1,525 | |
| 10-19 | 641 | |
| 20-49 | 456 | |
| 50-99 | 183 | |
| 100-199 | 75 | |
| 200-499 | 55 | |
| 0 or Unknown | 27 | |
| 500-999 | 18 | |
| 1.000-4.999 | 18 | |
| 5.000-9.999 | 1 |
Oncologists in the USA by revenue
| Bracket | Companies | Share |
|---|---|---|
| 100.001 to 499.999 | 3,132 | |
| 0 or Unknown | 1,443 | |
| 1 to 100.000 | 1,143 | |
| 500.000 to 999.999 | 535 | |
| 1.000.000 to 4.999.999 | 452 | |
| 5.000.000 to 9.999.999 | 70 | |
| 10.000.000 to 49.999.999 | 65 | |
| 100.000.000 to 499.999.999 | 14 | |
| 50.000.000 to 99.999.999 | 10 | |
| 1.000.000.000 or more | 3 | |
| 500.000.000 to 999.999.999 | 1 |
SIC and industry classification for US oncologists
US oncologists aren't separately selectable in the standard SIC 1987 classification. The closest SIC 1987 umbrella is 8011 (Offices and Clinics of Doctors of Medicine). We use the CompanyData industry label 'Physicians: Cancerology, Medical Oncology' to identify them precisely. The list above covers every active US company in our database tagged with this CompanyData label, so the state and revenue breakdowns reflect the entire sector rather than a sample.
Closely related business services
Frequently asked questions about oncologists in the USA
Our database tracks 6,868 active oncologists across all 50 US states, sourced from Secretary of State filings and verified monthly. The exact count changes as firms register, dissolve and merge. The figure on this page reflects the most recent monthly refresh.
The state with the most oncologists is NEW YORK, followed by California, Texas, Florida and New York. The full state breakdown above shows the share each US state holds, with deeplinks to drill into a single-state directory.
US oncologists aren't separately selectable in the standard SIC 1987 classification. The closest SIC 1987 umbrella is 8011 (Offices and Clinics of Doctors of Medicine). We use the CompanyData industry label 'Physicians: Cancerology, Medical Oncology' to identify them precisely. The list above covers every active US company in our database tagged with this CompanyData label. The platform link beside each result also lets you filter by sub-code or by NAICS if you prefer.
Yes. Apply your filters (state, size, revenue, etc.) on the platform, preview the result on screen, then export the full filtered list as CSV or Excel. Larger exports (10k+ rows) are delivered by email link. Request a free sample first if you want to evaluate the data before you buy.
Every record includes the firm name, full business address, primary phone, business email (where available), website, employee size, revenue band, founding year and primary SIC / NAICS classification. Records are enriched from the US business register and re-verified monthly.
Monthly. Each refresh removes firms that have dissolved and adds new registrations from the latest Secretary of State filings. The "Last updated" line at the top of this page shows the most recent refresh date.
13 US states have at least one active oncologist in our database. The state with most oncologists is NEW YORK, followed by California, Texas, Florida and New York. Use the interactive state map above to compare any two states by share of the US oncologists market.






















































