Our Staff

Like all effective, closely interacting teams, the care providers at PCI bring their individual skills and experience together to create an even greater collective whole. While each team member has his or her own special expertise, they share a patient-centered approach that affords the highest level of attentive, personalized care.

George J. Kannarkat, MD
George Kannarkat, MDDr. Kannarkat is a native of Virginia Beach and graduated from Drew University in Madison, NJ, in 2000. He obtained his medical degree at the University of Medicine and Dentistry of New Jersey in 2003 and completed his residency in Internal Medicine at the University of Virginia in 2006. In 2009 Dr. Kannarkat completed his fellowship in Hematology-Oncology at UVA. He is board certified in Internal Medicine, Hematology and Medical Oncology, and practices in our Newport News office.


Magi M. Khalil, MD, Ph.D
Dr. Magi KhalilDr. Khalil earned her Bachelors of Arts degree from Barnard College, Columbia University and then went on to Albert Einstein College of Medicine. While in medical school she became very interested in research that would help advance the field of medicine. In addition to her MD, she also completed a PhD in Immunology. She then went on to complete her internship and residency in Internal Medicine and her fellowship in Hematology/Oncology at the Hospital of the University of Pennsylvania where she continued to work on developing novel drugs for the treatment of cancer. Dr. Khalil is board certified in Medical Oncology, Internal Medicine, and Hematology. She practices in the Gloucester office.


John F. Miller, MD
John Miller, MDDr. Miller is a Hematology and Oncology specialist with Riverside Medical Group at Peninsula Cancer Institute in Williamsburg. He received his Bachelor of Science degree from the U.S Naval Acadamy and his medical degree from Louisiana State University Health Sciences Center. He completed his residency in Internal Medicine and fellowship in Medical Oncology and Hematology at Virginia Commonwealth University. Dr. Miller is board certified in Internal Medicine, Medical Oncology, and Hematology.


Flavia Kostov, MD
Dr. KostovDr. Kostov graduated from Escola Baiana De Medicina E Saude Publica in 2001. She completed her residency in Internal Medicine at the Allegheny General Hospital in Pittsburgh. Dr. Kostov completed her fellowship in Medical Oncology and Hematology at The University of Pittsburgh in 2008. Her research focus was on Multiple Myeloma. Her special interests are breast cancer, lung cancer, and myeloma. Dr. Kostov is board certified in Oncology, Hematology, and Internal Medicine. She currently practices in the Newport News office.


Mashour Yousef, MD
Dr. Mashour YousefDr. Yousef is a 1989 graduate of Tishreen University College of Medicine in Latakia, Syria, and completed his Internal Medicine residency at Jamaica Hospital and Medical Center in Jamaica, NY, in 1994. He completed a fellowship in Hematology, Medical Oncology, and Bone Marrow and Stem Cell Transplantation at the Montefiore Medical Center and Albert Einstein Cancer Center in New York, NY, in 1998. His areas of special interest include acute and chronic leukemia and malignant lymphomas, as well as benign hematology. Dr. Yousef is board certified in Internal Medicine, Hematology, and Medical Oncology, and practices in the Newport News and Gloucester offices. He maintains admitting privileges at Sentara Williamsburg Community Hospital, Riverside Walter Reed Hospital and Riverside Regional Medical Center.


Angela R. Cochran, MD
Dr. Angela R CochranDr. Cochran is a Hematology and Oncology specialist with Riverside Medical Group at Peninsula Cancer Institute in Newport News. She received her Bachelor of Science from Stephen F. Austin State University and her medical degree at the University of Texas Medical School at Houston. She completed her residency in Internal Medicine at the University of Louisville, followed by a fellowship in Medical Oncology and Hematology at Virginia Commonwealth University. Prior to her fellowship, she worked as a hospitalist at St. Elizabeth Hospital in Edgewood, Kentucky. Dr. Cochran is board-certified in Internal Medicine and practices in our Newport News office.


Ellyn Reynell Amato, NP
Ellyn Reynell Amato Reynell Amato received her BSN degree from Liberty University in 2005. She received her graduate degree from Virginia Commonwealth University in the specialty of Adult Gerontology Acute Care Nurse Practitioner in 2014. She has 10 years of experience in cancer care, and received her Oncology Nursing Certification in 2009. She has experience in radiation oncology, adult hematology and oncology, and gynecology oncology. Reynell is one of our Nurse Practitioners providing inpatient and outpatient care in Newport News.


Jessica E. Doggett, NP
Jessica E. Doggett Jessica received her undergraduate degree in Health Services Administration at James Madison University. She then went on to obtain her degree as a Registered Nurse through Sentara College of Health Sciences. She worked as an oncology nurse for several years before ultimately deciding to further her career as a nurse practitioner. She obtained her graduate degree through Virginia Commonwealth University in May 2014. She has experience in the adult patient with multiple chronic diseases, including hematology and oncology. She will be dividing her time between the Newport News office and our affiliated practice in Suffolk.


JoAnn B. Mello, NP
JoAnn B. Mello, NP JoAnn Mello received her Bachelor of Arts degree in Psychology at the University of Virginia in 2005. She also received her Bachelor of Science in Nursing in 2007 and Master of Science in Nursing in 2009, specializing in Family Nurse Practitioner at Virginia Commonwealth University. She has worked extensively in the hematology and oncology setting as a certified nurse and nurse practitioner. She has dedicated her career to hematology-oncology with extensive experience in the care of adults with acute and chronic diseases. JoAnn is currently the nurse practitioner at the Williamsburg office.


Melissa Reagan, MSN, AGACNP-BC
Melissa C. Reagan, NP Ms. Reagan is a native of Mathews County, VA. She received her Bachelor of Science degree in Radiation Sciences from Virginia Commonwealth University in 2009. She also received her Bachelor of Science in Nursing in 2011 and Masters of Science in Nursing in 2012 both from Virginia Commonwealth University, specializing in Adult Gerontology Acute Care Nurse Practitioner. She has worked as a Registered Nurse in acute hematology/oncology settings. She is currently working in the Gloucester office and provides both inpatient and outpatient care.


Deena Wahba, Genetic Counselor, MSc
Deena Wahba, Genetic Counselor
Deena Wahba earned her Bachelor of Science from the University of South Florida in 2009, where she completed a thesis that focused on aberrant cell signaling in ovarian cancer patients. Due to her fascination with both science and psychology, she pursued and completed her Master of Genetic Counseling and Human Genetics at Emory University School of Medicine. During this time, she became interested in research focused on psychological distress experienced by patients with neurological diseases, including Huntington's disease and dystonia, while also completing a capstone project focusing on psychiatric symptoms in the dystonia population. She chose to provide genetic counseling to patients with cancer diagnoses and/or family histories of cancer as this empowers patients to take control of their cancer care and prevention.