What departments does 21st Century Oncology have?

21st Century Oncology has employees across 11 departments including Marketing, Finance, Legal, Engineering, Operations.

What is the largest department at 21st Century Oncology?

The largest department at 21st Century Oncology is Healthcare Services with 8 employees.

Where are 21st Century Oncology employees located globally?

21st Century Oncology has employees across 5 continents and 8 countries including Pakistan, Russian Federation, United Kingdom Of Great Britain And Northern Ireland, United States Of America, Costa Rica.

How has 21st Century Oncology's team size changed over time?

21st Century Oncology's team has decreased from approximately 1.5K to 464 employees based on available data.

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21st Century Oncology Employee Directory

Medical PracticesFlorida, United States501-1000 Employees

GenesisCare provides cancer care through a multidisciplinary approach, tailoring treatment plans to the individual needs of patients. The company is based in Fort Myers, Florida, and operates within the medical practices sector as a mid-sized provider. Its primary customers are individuals seeking cancer treatment who require coordinated, personalized clinical care. The company has international activity reflected in partnerships and projects in the UK and Australia. In May 2026, GenesisCare announced a collaboration with SeeTreat to enable access to offline adaptive treatment assessment technology.

21st Century Oncology Global Highlights

North America
911

United States Of America
910
Costa Rica
1

South America
7

Argentina
6
Ecuador
1

Europe
4

United Kingdom Of Great Britain And Northern Ireland
4

Asia
2

Pakistan
1
Russian Federation
1

21st Century Oncology's Leadership

L. B.
Chief Executive Officer
Mobile Phone
Email
C. M.
Cmo
Mobile Phone
Email
E. V.
Chief Engineer
Mobile Phone
Email
A. R. B.
Chief Medical Dosimetrist
Mobile Phone
Email
R. B.
Chief Medical Physicist
Mobile Phone
Email
K. S.
Chief Radiation Therapist
Mobile Phone
Email
E. S.
Chief Radiation Therapist/Fso
Mobile Phone
Email
S. G.
Chief Radiation Therapist
Mobile Phone
Email

21st Century Oncology Employee Metrics

100%

50%

2026

2025

Healthcare Services
Administrative
Finance
Research
Accounting
Other
Information Technology
Engineering
Community & Social Services

Contact profiles from 21st Century Oncology

Name

Title

Contact Info

Location

Last Update

C. M.
Cmo
Mobile Phone
Email
United StatesFlorida
May 30, 2026
D. C.
President
Mobile Phone
Email
Oct 22, 2024
K. H.
Owner
Mobile Phone
Email
Oct 21, 2024
L. B.
Chief Executive Officer
Mobile Phone
Email
Oct 22, 2024
M. S.
Executive Assistant To The Chief Executive Officer
Mobile Phone
Email
Oct 17, 2024
M. A.
Owner
Mobile Phone
Email
Oct 22, 2024
R. D.
President
Mobile Phone
Email
Oct 17, 2024
R. W. K.
Owner
Mobile Phone
Email
UNITED STATES
Mar 08, 2023
D. W.
Executive Vp & Cfo
Mobile Phone
Email
United StatesFlorida
Jan 23, 2026
I. A.
President
Mobile Phone
Email
United StatesFlorida
Jan 23, 2026

Frequently Asked Questions

What is 21st Century Oncology known for?

21st Century Oncology operates in the Medical Practices industry. The company's main headquarters is located in 2270 Colonial Boulevard Fort Myers, Florida 33907 United States; you can contact the main corporate office by phone at

+1-239-931-****

. Explore 21st Century Oncology's company overview page for more information.

What is 21st Century Oncology's most common email format?

21st Century Oncology employees' email format typically follows the pattern of . Trying to find reliable and up-to-date employee contact data? Find more 21st Century Oncology email formats with LeadIQ.

How many employees does 21st Century Oncology have currently?

21st Century Oncology has approximately 940 employees as of May 2026. These team members are located across 4 continents, including North AmericaSouth AmericaEurope.

Who are 21st Century Oncology's key employees and leadership?

As of May 2026, 21st Century Oncology's key employees include:

Chief Executive Officer: L. B.
Cmo: C. M.
Chief Engineer: E. V.
Chief Medical Dosimetrist: A. R. B.
Chief Medical Physicist: R. B.

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21st Century Oncology Employee Directory

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