About us
Built on 30+ years developing healthcare platforms
To support this growth, our team brings decades of experience building healthcare organizations at scale
The platform behind Orbit
Track record
Experience Building and Scaling Healthcare Platforms
Our veterinary platform is built on decades of experience developing and scaling specialty and physician networks across multiple markets.
1985 – 2019
21st Century Oncology
Radiation Oncology Network | United States
- 124 radiation oncology centers · 15 states
- One of the largest radiation oncology providers in the U.S.
- In 2019 became part of GenesisCare.
1987 – 2019
OncoRed
Radiation Oncology Network | Latin America
- 38 radiation oncology centers · 7 countries
- Argentina · Mexico · Colombia · Costa Rica · Dominican Republic · El Salvador · Guatemala
2019 – present
Advocate Radiation Oncology
Radiation Oncology Network | Southwest Florida
- 14 radiation oncology centers
- Fort Myers · Cape Coral · Bonita Springs · Port Charlotte · Tamarac
2025 – present
Southwest Florida Proton
Proton Therapy | Southwest Florida
- First proton therapy center in Southwest Florida
- One of the most advanced radiation technologies available.
2015 – present
Millennium Physician Group
Multispecialty Physician Network | Florida
- 600+ physicians · 150+ medical locations
- One of the largest independent physician networks in Florida
- In 2024, Blue Cross Blue Shield became a shareholder.
2020 – present
Orbit Veterinary Oncology
Veterinary Comprehensive Cancer Care | Latin America
- Building the largest veterinary comprehensive cancer care network in Latin and Central America.
Leadership
Executive team
Guillermo Couto
DACVIM in Internal Medicine and Oncology. +40 years of experience in Veterinary Oncology.
Daniel Dosoretz
Radiation Oncologist, consultant. Founder of 21st Century Oncology and Advocate.
Daniel Galmarini
Lead physicist. +25 years experience in treatment planning.
Enrique Vaiani
Engineer Manager, expert in linear accelerator maintenance.
Ricardo Andisco
Lead Architect. +75 radiation oncology projects completed.
Frank English
Structuring and Financing.
Human radiation oncology
Advocate Radiation Oncology
Orbit’s leadership operates Advocate Radiation Oncology, a human radiation oncology network across Florida. It is the same operating discipline the veterinary centers are built on, and it runs in parallel with them.
- Locations
- 9
- Operating since
- 2019
