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  • Hematology, Oncology, Internal Medicine
  • Accepting new patients
  • 39 years of experience
  • Florida Cancer Specialists & Research Institute 521 N Lecanto Hwy, Lecanto, FL 34461
  • (352) 746-0707

Brief Intro

Dr. Fonseca is deeply committed to the practice of oncology and has had extensive community research experience, which he brought to FCS in 2013. As Medical Director of the FCS Clinical Research Program, appointed in April 2021, he is engaged in a range of initiatives that are expanding the body of knowledge of cancer, and contributing to the development of many promising new drugs and therapies. After receiving his medical degree from the Universidad Del Norte School of Medicine in Colombia, Dr. Fonseca completed his residency in Internal Medicine at Jackson Memorial Hospital at the University of Miami. During his time there he served a fourth year as adjunct medical school faculty and as Chief Resident of a program responsible for 150 residents. He then proceeded with his fellowships in Oncology and Hematology at MD Anderson Cancer Center at the University of Texas, and at Methodist Hospital at Baylor School of Medicine in Houston. He has authored numerous articles published in peer-reviewed journals, including the Journal of Clinical Oncology, Cancer and Blood. Dr. Fonseca is Board-Certified in Medical Oncology and Hematology. He is a member of the American Society of Clinical Oncology (ASCO), American Society of Hematology (ASH), a Fellow of the American College of Physicians (ACP), the governing board member of Bayfront Seven Rivers hospital, and was previously elected as president of the Citrus County Medical Society and Chief of Staff of Citrus Memorial Hospital. Dr. Fonseca also serves as the Medical Director of Clinical Research.

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Education Background

RESIDENCY

University Of Miami School Of Medicine

Univ Tx Med Sch At Houston, Medical Oncology; Jackson Mem Hosp/Jackson Hlth, Internal Medicine

MEDICAL SCHOOL

University of The North / Faculty of Medicine - 1986

University Del Norte, Fac De Med, Barranquilla, Colombia - 1986

Languages Spoken

  • English

Location & Hours

  • Florida Cancer Specialists & Research Institute - Lecanto
  • 521 N Lecanto Hwy, Lecanto, FL 34461
  • Mon:8:30 am - 5:00 pm
    Tue:8:30 am - 5:00 pm
    Wed:8:30 am - 5:00 pm
    Thu:8:30 am - 5:00 pm
    Fri:8:30 am - 5:00 pm
    Sat:Closed
    Sun:Closed

Specialties Treated

  • Hematology
  • Oncology
  • Internal Medicine

Insurance Accepted

* Insurance information may change frequently. Please verify directly with the provider (doctor/clinic).

  • Freedom Health
  • Three Rivers Providers Network (TRPN)
  • MVP Health Care
  • Blue Cross Blue Shield
  • Wellcare
  • Medicaid
  • Cigna
  • Oscar Health Insurance
  • Florida Blue: Blue Cross Blue Shield of Florida
  • CHAMPVA
  • Ultimate Health Plans
  • Humana
  • Priority Health
  • Medicare
  • UnitedHealthcare
  • Meritain Health
  • Aetna
  • AARP
  • Optum Health
  • Tricare
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  • Cancer 74
  • Cardiology, Heart & Vascular Surgery 71
  • Orthopedics 114
  • Neurology & Neurosurgery 94
  • Gastroenterology & GI Surgery 120
  • Pulmonology & Lung Surgery 120
  • Diabetes & Endocrinology 62
  • Children's Hospital 16
  • Urology 119
  • Psychiatry 65
  • Geriatrics 94
  • Rehabilitation 70
  • Obsterics & Gynecology 13
  • Ophthalmology 2
  • Ear, Nose & Throat 10
  • Rheumatology 1
  • Long Term Care 23
  • Maternity Care (Uncomplicated Pregnancy) 36