Centra Hematology Oncology Clinic Providers

Alexis McKinney, DNP, AGPCNP-BC

Alexis graduated from Notre Dame of Maryland University with her Bachelor of Science in Nursing. She received her Master of Science in Nursing, Adult Gerontological Primary Care Nurse Practitioner at Johns Hopkins University, where she received the Graduating Class Leadership Award. Alexis received her Doctor of Nursing Practice, Executive Management at the University of Texas Health San Antonio.

From 2008 to 2023, Alexis has worked within the following healthcare systems:

George Washington University Hospital in Washington, DC, as an RN on the Medical Surgical/Medicine Oncology unit
University of Maryland Medical Center in Baltimore, Maryland as an RN in Radiation Oncology
Kingdom Medicine P.A. in Pikesville, Maryland in internal medicine as an adult gerontology nurse practitioner
Texas Oncology, Medical Oncology, as a Senior Adult-Gerontology Nurse Practitioner
Mays Cancer Center, Medical Oncology, as an Adult-Gerontology Nurse Practitioner

Alexis was an expert panelist speaker at the 2023 Gilead National Conference and the Annual ONS Congress Conference. She is a member of Texas Oncology Communication, Leadership and Education Committee, Texas Oncology APP Governance Committee, Advanced Practitioner Society for Hematology and Oncology, American Society of Clinical Oncology, American Association of Nurse Practitioners, American Nurses Association, and the Oncology Nursing Society.

Ashley Lay, NP

Ashley Lay graduated from Farleigh Dickinson University with her Bachelor of Science in Nursing and from Keiser University with her Master of Science in Nursing.

From 2012 to present, Ashley has been a part of the following healthcare systems:

Oak Hill Hospital
Florida Cancer Specialist and Research Institute
Comprehensive Hematology Oncology, Brandon, FL

Ashley is a member of the American Society of Clinical Oncology, American Association of Nurse Practitioners, American Nurses Association, and American Nurses Credentialing Center.

Herbert L. Duvivier, MD, JD

Dr. Herbert Duvivier graduated with his Medical Degree from Tufts University Medical School. He attended his internship and residency at Wadsworth Veterans Administration Hospital and his fellowship at City of Hope National Cancer Center.

From 1994 to present, Dr. Duvivier has been a part of the following healthcare systems:

East Valley Hematology/Oncology
Private Practice Premiere Hematology/Oncology
CCS Oncology
Kalieda Health Systems
Cancer Treatment Centers of America
City of Hope, Atlanta

Dr. Duvivier is Board Certified by the American Board of Internal Medicine in Medical Oncology and Hematology.

Jahleen Jenkins, MSN, APRN, AGNP-BC

Jahleen Jenkins graduated from Winston Salem State University with her Bachelor of Science in Nursing and from George Washington University with her Master of Science in Nursing-Adult Gerontology Nurse Practitioner.

From 2014 to present, Jahleen has worked in the following healthcare systems:

Atrium Health
Wake Forest Baptist Health Comprehensive Cancer Center
Emory Healthcare Winship Cancer Institute
Seasons Hospice and Palliative Care
Capital Caring Health
Northside Hospital

Jahleen is a Board-Certified Nurse Practitioner (Adult Gerontology Primary Care).

Joy Sutton-Aransevia, DNP, FNP-BC, APRN

Joy graduated from the University of Phoenix with a Bachelor of Science in Nursing. She graduated with her Master of Science in Nursing from Florida Atlantic University. She graduated from the University of Massachusetts with her Family Nurse Practitioner and Doctor of Nursing Practice.

From 1997 to present, Joy has worked within the following healthcare systems:

University of Miami, Sylvester Cancer Center, RN
Cancer Treatment Centers of America, Medical Oncology, Nurse Practitioner
Cleveland Clinic, Weston, Medical Oncology/Survivorship/Infusion, Nurse Practitioner
Boca Raton Regional Hospital, Medical Oncology/Survivorship, Nurse Practitioner
Moffitt Cancer Center, Nurse Practitioner
Physicians Surgical Network and IV Infusion Treatment Center, Nurse Practitioner
Helen Diller Family Comprehensive Cancer Center, Nurse Practitioner
Ochsner Cancer Center of Acadiana, Nurse Practitioner
Inova Schar Cancer Institute, Nurse Practitioner
Kona Community Hospital Cancer Center, Nurse Practitioner
University of Rochester, Wilmont Cancer Institute
Our Lady of Lourdes, Radiation Oncology, Nurse Practitioner

Joy holds a certification in Chemotherapy and Biotherapy, Clinical Nurse Educator and is Board Certified as a Family Nurse Practitioner.

Kathy Rela, DNP, ANP-BC, APRN

Kathy graduated from the University of Miami with her Bachelor of Science in Nursing and her Master of Science in Nursing, Adult Nurse Practitioner.

From 2009 to present, Kathy has been a part of the following healthcare systems:

• University of Miami Hospital, Hematology/Oncology, RN
• Star One Staffing, Medical Surgical Unit, RN
• Coral Gables Hospital, Medical Surgical Unit, RN
• Broward Health Carol Springs/RN Network, Medical Surgical/ Telemetry Unit, RN
• Vidant Medical Center, Hematology/Oncology, Nurse Practitioner
• Lynn Cancer Institute/The Center for Hematology Oncology, Nurse Practitioner

Kathy is a certified by the American Nurses Credentialing Center and the Oncology Nursing Society.

Mohamed Ahmed, MD, PhD

Dr. Mohammed Ahmed graduated from St. George’s University with his Medical Degree. He attended his residency at Stamford Hospital in Internal Medicine and his fellowship at Medical College of Wisconsin in Hematology-Oncology.

From 2008 to present, Dr. Ahmed has worked within the following healthcare systems:

Director and Owner, Hematology and Oncology of Niagara
Director, Roswell Park Cancer Institute, Hematology-Oncology Niagara Falls
Consultant, Department of Hematology-Oncology, Tawam Hospital, Al Ain, UAE
Lipson Cancer Institute
Arnot Ogden Medical Centre, Hematology-Oncology

Dr. Ahmed is Board Certified by the American Board of Internal Medicine in Oncology.

Rebecca Richards-Hack, DNP

Rebecca graduated from the University of Wisconsin with her Bachelor of Science in Nursing and her Master of Science in Nursing, Geriatric Nurse Practitioner. She graduated from the University of Wisconsin-Milwaukee with her Doctor of Nursing Practice.

From 1973 to 2023, Rebecca has worked within the following healthcare systems:

University of Wisconsin Center for Health Sciences, RN
Madison General Hospital, RN
Wausau Medical Center (Marsh Field Clinic), Family NP
Wausau Hospital (Aspirus), Clinical Nurse Specialist
Family Planning Health Services, Women’s Health Nurse Practitioner
University of Wisconsin Department of Family Medicine and Practice, Clinical Nurse Specialist/ Nurse Practitioner
Medford Family Practice Clinic, Family Nurse Practitioner
North Central Wisconsin Rehabilitation Associates, Nurse Practitioner
Genentech, Clinical Oncology Specialist
North Central Health Care, Nurse Practitioner
Matrix Health, Nurse Practitioner
Paladina Health, Nurse Practitioner
Mercy Cancer Center-Mason City, Oncology Nurse Practitioner
ThedaCare Cancer Center, Oncology Nurse Practitioner
OTS Health Service, Occupational Health Nurse Practitioner
Covenant Health-Thompson Oncology Group, Nurse Practitioner
Covenant Health, Morristown-Hamblen Healthcare System, Oncology Nurse Practitioner

Rebecca is certified by the American Nurse Credentialing Center.

Trina Gaston, NP

Trina Gaston graduated with her Bachelor of Science and Master of Science: Family Nurse Practitioner from the University of Cumberlands. Trina has been a part of Alabama Oncology Hematology Associates and Tufts Medical Oncology Clinic. Trina has 30 years of healthcare experience with 13 years devoted to Oncology/Hematology.