Personalized Hematology-Oncology & Primary Care strives to deliver top-notch, individualized medical care. Our approach stems from the passion and vision of our founders, Dr. Castillos, a board-certified hematology and oncology specialist, and Luminita Castillos, our CEO. Meet our leadership team:

Dr. Francisco Antonio (Tony) Castillos, III
Board Certified Oncology Specialist

Dr. Tony Castillos, oncology specialistBoard Certification:
Medical Oncology
Internal Medicine

Medical School:
Chicago Medical School

Yale University
Norwalk Hospital

Internal Medicine, Medical College of Virginia, Virginia Commonwealth University

Hematology fellowship, University of Alabama, Birmingham, Alabama
Oncology fellowship, University of Louisville, Louisville, Kentucky

Overseas Service:
United States Navy, Lieutenant Commander
Served with the 1st Marine Division for Alpha Surgical Company during Operation Iraqi Freedom, 1st FSSG, 2003

Professional Interests:
Myeloproliferative disorders
Leukemia Research Fellowship
Cancer Care Chairman, Nash Hospital

Luminita Castillos, Ph.D., MBA
Chief Executive Officer

Luminita Castillos, CEO of personalized oncology specialist practicePhD:
Physiology, University “Al.I.Cuza,” Iasi, Romania

Kenan-Flagler Business School, University of North Carolina at Chapel Hill

Research Scientist, Cogenics, A Division of Clinical Data
Postdoctoral Research Scientist, University of California San Diego, Cancer Center
Postdoctoral Research Associate, James Brown Cancer Center, Kentucky
Postdoctoral Research Associate, Baylor University, Texas
Researcher, National Institute for Biological Sciences, Romania

Katherine Overton
Assistant CEO

photo of Katie Overton, leadership at oncology specialistKatherine “Katie” Overton joined Personalized Hematology-Oncology in 2015 as a Medical Lab Technologist and Human Resources Manager. She was later promoted to the role of Assistant Practice Manager and is now Assistant CEO.

Katie strives to provide a broad range of services and resources to patients and employees, enabling the practice to work efficiently and effectively. She also manages the practice’s chemistry and immunoassay machines in our in-house laboratory.

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