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Meet Our Oncology Team

Anyone's life can be interrupted by cancer. Patients, family, and friends are directly impacted by a cancer diagnosis. However, Winter Haven Hospital's Cassidy Cancer Center is a unique collaboration of comprehensive high quality cancer care and the latest cancer treatments.

"The Cassidy Cancer Center is part of Winter Haven Hospital's commitment to bring state-of-the-art healthcare close to home," said Jennifer Neff, R.N., Assistant Vice-President of Patient Services.

Our experienced, board-certified cancer specialists are committed to providing you with the highest quality of care. A dedicated team of oncology certified registered nurses and other health care professionals provide an exceptional level of care. For more information about the Cassidy Cancer Center or a physician referral, call (863) 293-1121.

We invite you to meet:

Dr. R. H. Cassell

Professional Status:

Medical Director, Cassidy Cancer Center
Medical Oncologist and Hematologist
Mid-Florida Oncology Physician Services, LLC
Winter Haven, Florida
December 1, 2008 to present

Medical Oncologist and Hematologist
Lakeland Regional Cancer Center
Lakeland, Florida
January 1, 2004 to November 28, 2008

Private Practice, Medical Oncology and Hematology
Bond Clinic, P.A.
Winter Haven, Florida
August 1, 1984 to December 31, 2003

Academic Appointments:

Clinical Assistant Professor
Department of Medicine, University of Florida
Gainesville, Florida
December 1, 2008 to present

Education:

Duke University School of Medicine   M.D., 1979
Durham, North Carolina

Duke University Graduate School   Ph.D. in Biochemistry, 1979
Durham, North Carolina

Harvard University   A.B., magna cum laude, 1970
Cambridge, MA

Postgraduate Training:

Internship and Residency in Internal Medicine, 1979-1982
Emory University School of Medicine
Atlanta, Georgia

Fellowship in Hematology and Oncology, 1982-1984
Emory University School of Medicine
Atlanta, Georgia

Medical Licensure:

Florida, 1984 to present
Georgia, 1980-1984 (currently inactive)

Certification:

Diplomate, National Board of Medical Examiners, 1980
Diplomate, American Board of Internal Medicine, 1983
Diplomate, in Medical Oncology, American Board of Internal Medicine, 1985

State of Florida:

Member, Florida State Cancer Control and Research Advisory Council (C-CRAB)
Representing American Cancer Society, 2000-2003
Representing Florida Society of Clinical Oncology, 2006-2009
Appointed by Gov. Jeb Bush and Gov. Charlie Crist
Elected Vice Chairman, 2003
Member, Executive Committee, 2009

Professional Societies:

American Society of Clinical Oncology, 1987-Present
Florida Society of Clinical Oncology, 1990-Present

  • President, 2007-2009
  • Vice President, 2005-2007
  • Treasurer, 2003-2005
  •  Board of Directors, 2000-2009; Executive Committee 2003-2009
  • Alternate Representative, Medicare Carrier Advisory Committee, 1999-2009

American College of Physicians
Member, Florida Chapter 1990-Present
American Medical Association, 1984-Present
Florida Medical Association, 1984-Present

  • Delegate 1991, 1992, 1996
  • Council on Hospital Medical Staffs Representative, 1994-1995; Alternate Representative 1992-1994

Polk County Medical Association, 1984-Present

  • President, 1992
  • President Elect, 1991
  • Executive Committee, 1987-1996
  • Board of Trustees, 1992-1996; Chairman, 1993
  • Chairman, Medical Economics Committee, 1987-1989
  • Chairman, Mediation and Grievance Committee, 1989-1991

Hospital Staff Membership:

  • Winter Haven Hospital, Inc., Winter Haven, Florida
    Aug 1984 to Dec 2003, Dec 2008 to Present
  • Lakeland Regional Medical Center, Lakeland, Florida
    Jan 2004 to Dec 2008

Hospital Medical Staff Leadership Positions:

Winter Haven Hospital

  • President, Medical Staff, 2000-2002
  • Chairman, Medical Staff Executive Committee, 2002-2003
  • Member, Medical Staff Executive Committee, 1992-2003
  • Vice-President, Medical Staff, 1998-2000
  • Secretary, Medical Staff, 1996-1998
  • Chairman, Medicine Section, 1992-1996
  • Chairman, Medical Audit Committee, 1992-1996
  • Patient Care Committee, 1989-2000; Chairman, 1996-1998
  • Cancer Committee, 1988-1998, 2008-present
  • Chairman, 1988-1990
  • Blood Products Committee, 1989-1990; Chairman 1989-1990
  • Credentials Committee, 1990-2004; Chairman, 2000-2002
  • Bioethics Committee, 1992-1994
  • Quality Leadership Council, 1999-2003

Lakeland Regional Medical Center

  • Cancer Committee, 2004-2008
  • Cancer Liaison Physician 2005–2008
  • Blood Usage Committee, 2004-2008
  • Pharmacy & Therapeutics Committee, 2004-2008
  • Institutional Review Board, 2006-2008

Lakeland Regional Cancer Center

  • Cancer Committee, 2004-2008; Chair 2004-2007
  • Cancer Conference Coordinator 2004-2008
  • Chair, Pharmacy & Therapeutics Committee, 2004-2008
  • Quality Improvement Committee, 2007-2008
  • Co-Investigator, Clinical Research Program, 2004-2008

Bond Clinic, P.A.

  • Member, Board of Directors, 1987-1996
  • Vice-President, 1988, 1992-1993, 1995-1996; Treasurer, 1989
  • Chairman, Quality Improvement Committee, 1998
  • Chairman, Governance Committee, 2001-2003

Civic and Charitable Organizations

Mid-Florida Medical Services/Winter Haven Hospital

  • Member, Board of Trustees, 2002-2003; ex-officio 2000-2002 American Cancer Society
  • West Polk County Unit
  • Medical Advisor, 2004-2008

East Polk County Unit

  • President, 1992-1993
  • President Elect, 1991-1992

Medical Advisor, 1988-1991, 1993-2004

Board of Directors, 1987-2004
Public Education Committee, Chairman, 1987-1988
Good Shepherd Hospice

  • Board of Trustees, 2003-2005
  • Ethics Committee, 1998-2003

Bibliography:

R.H. Cassell and I. Fridovich, “The Role of Superoxide Radical and the Autoxidation of Cytochrome c,” Biochemistry, 14: 1866 (1975)
J.C. Murray, R.H. Cassell, and S.R. Pinnell, “Specific Inhibition of Lysyl Hydroxylase, an Enzyme Critical for Function in Collagen Biosynthesis,” Clinical Research, 23: 230A (1975) (Abstract)
J.C. Murray, R.H. Cassell and S.R. Pinnell, “Inhibition of Lysyl Hydroxylase by Catechol Analogs,” Biocheimica et Biophysica Acta, 481: 63 (1977)
R.H. Cassell, “Production of Superoxide Anions by NADPH-Diaphorases from Human Placenta,” Federation Proceedings, 37: 1579 (1978) (Abstract)
R.H. Cassell, Studies on the Role of Superoxide Anion in Biological Systems,” Ph.D. Dissertation, Department of Biochemistry, Duke University Graduate School of Arts and Sciences, 1979

Dr. Georgia Daniela Gonsalves Shapiro

Education:

2002-2007

Doctor of Medicine

Ross University - School of Medicine

Edison, New Jersey

1995-1999

Bachelor of Science

Nova Southeastern University

Fort Lauderdale, Florida

Work Experience:

2012 – Present

Medical Oncologist

Cassidy Cancer Center - Winter Haven Hosptial

Winter Haven, FL

2011 – Present

Medical Oncology Chief Fellow

Nevada Cancer Institute – University of Nevada School of Medicine

Las Vegas, NV

2010 – Present

Medical Oncology Fellowship Program

Nevada Cancer Institute – University of Nevada School of Medicine

Las Vegas, NV

2007 – 2010

Internal Medicine Residency Program

Medical Center of Central Georgia – Mercer University

Macon, Georgia

2007 – 2010

Clinical Instructor of Internal Medicine

Mercer University – School of Medicine

Macon, Georgia

Research Experience:

2011 Cultured circulating tumor cells-development of a novel platform for drug discovery and in vitro chemosensitivity testing in prostate and other cancers. – Nevada Cancer Institute. Bench research involving comparing colony counts obtained with the 3-D growth method before and after initiation of treatment with CTC (circulating tumor cells) counts obtained using Cellsearch, to evaluate the assay as a predictive tool for prostate and breast cancers.

2009 Structural basis for the selective inhibition of human 3- hydroxysteriod dehydrogenase 1 and its possible effect in breast cancer – Mercer University School of Medicine. Bench research involving a PCR based mutagenesis of a 3beta-HSD mutant. I performed PCR mutagenesis, cloning, electrophoresis, enzyme cuts, transformation, plasma DNA extraction, sequencing, recombination, western blots, and isomerase assay.

2007 Church Based Diabetes Prevention – Mercer University – This research has lead to a $3.0 million grand from the National Institute of Health for continuation of the project. I was directly involved in data analysis, transcribe, code and analyze focus group data.

2005 "Quadruple Nucleoside Reverse Transcriptase Inhibitor (NRTI) Therapy and Trizivir (TZV) and Viread (TDF) in Naive and Experienced HIV/AIDS Patients: a 30-Month Follow Up" Mount Vernon, New York HIV/AIDS Research Clinic. I was involved in data evaluation of the clinical response of naïve and experienced HIV/AIDS patients on NRTI with Trizivir and Viread.

Publications:

Daniela Gonsalves Shapiro and Wolfram E. Samlowski, "Management of Melanoma Brain Metastases in the Era of Targeted Therapy," Journal of Skin Cancer, vol. 2011, Article ID 845863, 6 pages, 2011. Doi:10.1155/2011/845863

Atkinson M, Boltri JM, Davis-Smith M, Seale JP, Shellenberger S, Gonsalves D "A Qualitative Inquiry into the Community and Programmatic Dimensions Associated with Successful Implementation of Church-Based Diabetes Prevention Programs". Journal of Public Health Management and Practice. 2009 May-June; 15(3): 254-73.

Publication – Book Chapter:

Shapiro, Daniela Gonsalves; Shapiro, Michael T; Samlowski, Wolfram E "Management of Melanoma Brain Metastases in the Era of Targeted Therapies" Emerging Therapeutics for Melanoma, 2012, Pages 164-174 (dol: 10.2217/ebo.11.94)

Presentations:

2010 "Metastatic Squamous Cell Carcinoma Presenting with Leukomoid Reaction" American College of Physicians-Georgia Chapter. Poster presentations of patient's hospitalization and clinical outcome. Poster was selected to advance to National American College of Physicians case presentation competition.

Languages Spoken:

Portuguese, Spanish, and English

Certifications:

Board Certified in Internal Medicine

United States Medical Licensing Exam – Step 1, Step 2, and Step 3

Professional Affiliations:

American Medical Association

American College of Physicians

American Society of Clinical Oncology

American Society of Hematology


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