OverviewSuggest Edit

21st Century Oncology is a physician-centric company that provides cancer care services. It offers radiation treatment services including external beam therapies, such as conformal beam treatment, intensity-modulated radiation therapy, stereotactic radiosurgery, and more.

HQFort Myers, FL, US
Employee Ratings3.1
Overall CultureD+

Latest Updates

Employees (est.) (Oct 2021)1,182(-1%)
Job Openings266
Revenue (FY, 2015)$263.1 M(-74%)
Cybersecurity ratingBMore
Discover new suppliers and conduct deeper comparison analysis with Craft for EnterpriseLearn more
Banner background

Key People/Management at 21st Century Oncology

Dan Collins

Dan Collins

CEO, Managing Director & President U.S
Michael Guiney

Michael Guiney

Board Member
David O'Donnell

David O'Donnell

Board Member
Kristin Meyer

Kristin Meyer

Vice President of Human Resources
Simon McGrath

Simon McGrath

Independent Director
Kerry Zhang

Kerry Zhang

Board Member
Show more

21st Century Oncology Office Locations

21st Century Oncology has offices in Fort Myers, Mesquite and Plano
Fort Myers, FL, US (HQ)
13770 Plantation Rd #2
Fort Myers, FL, US
2270 Colonial Blvd
Mesquite, TX, US
1645 N Town E Blvd #503
Plano, TX, US
6957 W Plano Pkwy #1300
Show all (4)

21st Century Oncology Financials and Metrics

Summary Metrics

Founding Date


21st Century Oncology total Funding

$650 m

21st Century Oncology latest funding size

$325 m

Time since last funding

7 years ago

21st Century Oncology investors

21st Century Oncology's latest funding round in September 2014 was reported to be $325 m. In total, 21st Century Oncology has raised $650 m
Show all financial metrics

21st Century Oncology Revenue

21st Century Oncology's revenue was reported to be $263.12 m in FY, 2015 which is a 74.4% decrease from the previous period.

Revenue (FY, 2015)


Revenue growth (FY, 2014 - FY, 2015), %


Net income (FY, 2015)


Cash (31-Dec-2015)

USDFY, 2013FY, 2014FY, 2015



Revenue growth, %


Sales and marketing expense


General and administrative expense

USDFY, 2013FY, 2014FY, 2015



Accounts Receivable




Current Assets

USDFY, 2013FY, 2014FY, 2015

Net Income


Depreciation and Amortization




Accounts Payable

Show all financial metrics

21st Century Oncology Cybersecurity Score

Cybersecurity ratingPremium dataset



SecurityScorecard logo

21st Century Oncology Online and Social Media Presence

Embed Graph

21st Century Oncology Company Culture

  • Overall Culture



  • CEO Rating



  • Compensation



Learn more on Comparably

21st Century Oncology News and Updates

21st Century Oncology Launches Social Campaign For Colorectal Cancer Awareness Month

FORT MYERS, Fla., March 13, 2020 /PRNewswire/ -- In recognition of Colorectal Cancer Awareness Month, 21st Century Oncology, the largest integrated cancer network in the nation, is launching its third social awareness campaign with the goal of encouraging early detection and preventive...

RTR Urology, A 21st Century Oncology Practice, Offers Innovative Technology For Diagnosing And Treating Bladder Cancer

VENICE, Fla., June 21, 2019 /PRNewswire/ -- RTR Urology, a Division of 21st Century Oncology, the largest integrated cancer care network in America, is now offering its patients state-of-the-art treatment using "blue light cystoscopy," an innovative technology that allows doctors to more...

21st Century Oncology Appoints Dr. Mohammad Jahanzeb To Chief Medical Oncology Scientific And Strategic Advisor

FORT MYERS, Fla., May 28, 2019 /PRNewswire/ -- 21st Century Oncology (21CO), the largest integrated cancer-care network in America, announced the addition of world-renowned medical oncologist Dr. Mohammad "MJ" Jahanzeb (FACP, FASCO) to its physician leadership, as the network expands its...

21st Century Oncology Hires Powell As Chief Operating Officer

FORT MYERS, Fla., Jan. 7, 2019 /PRNewswire/ -- 21st Century Oncology has announced that Charlie Powell, CMPE, FACHE joined the company as the Chief Operating Officer on Jan. 1, 2019. A premier cancer care provider, the company welcomes Powell as the newest member of their "One Dream...

21st Century Oncology, In Collaboration With UCLA And Stanford, Recognized With "Best of Astro" Award

FORT MYERS, Fla., Nov. 9, 2018 /PRNewswire/ -- Research conducted by 21st Century Oncology, in collaboration with UCLA, Stanford, and other esteemed cancer research centers, was selected for a "Best of ASTRO" award, which recognizes the top 10 research submissions. The abstract titled,...

21st Century Oncology Updates Brand, Launches New "BE" Brand

FORT MYERS, Fla., Nov. 6, 2018 /PRNewswire/ -- 21st Century Oncology CEO, Kim Commins-Tzoumakas, has announced the launch of an updated corporate logo and a new "BE" brand to support institutional changes taking place within the organization. The company name will remain the same, but the ...

21st Century Oncology Frequently Asked Questions

  • When was 21st Century Oncology founded?

    21st Century Oncology was founded in 1983.

  • Who are 21st Century Oncology key executives?

    21st Century Oncology's key executives are Dan Collins, Michael Guiney and David O'Donnell.

  • How many employees does 21st Century Oncology have?

    21st Century Oncology has 1,182 employees.

  • What is 21st Century Oncology revenue?

    Latest 21st Century Oncology annual revenue is $263.1 m.

  • What is 21st Century Oncology revenue per employee?

    Latest 21st Century Oncology revenue per employee is $222.6 k.

  • Who are 21st Century Oncology competitors?

    Competitors of 21st Century Oncology include GenesisCare, Kura Oncology and Oncomed.

  • Where is 21st Century Oncology headquarters?

    21st Century Oncology headquarters is located at 13770 Plantation Rd #2, Fort Myers.

  • Where are 21st Century Oncology offices?

    21st Century Oncology has offices in Fort Myers, Mesquite and Plano.

  • How many offices does 21st Century Oncology have?

    21st Century Oncology has 4 offices.