Our Providers
We are Stronger Together.
Our Physicians
Eleven hematologists and oncologists totaling over 100 years of combined experience.
David M. Ellison, MD
David M. Ellison, MD is board-certified in Internal Medicine, Medical Oncology, and Hematology. A graduate of Yale University and Duke University School of Medicine, he completed his residency in Internal Medicine at Johns Hopkins Hospital and his fellowship at Duke University in Hematology/Oncology.
George F. Geils, Jr., MD
George F. Geils, Jr., MD is board-certified in Internal Medicine, Medical Oncology, and Hematology. He is the Medical Director for the Blood and Marrow Transplant Program for Roper St. Francis Healthcare. A graduate of the Medical University of South Carolina, he completed his residency at the University of Maryland Medical Center and his fellowship at The University of Alabama.
Charles Holladay, MD, FACP
Charles Holladay, MD, FACP is board-certified in Internal Medicine, Medical Oncology, and Hematology. A South Carolina native, Dr. Holladay joined Charleston Oncology in 2001. He is a graduate of the Medical University of South Carolina where he also completed his residency and fellowship.
Ashley Jeter, MD
Ashley Jeter, MD is board-certified in Internal Medicine and Medical Oncology. She completed internal medicine residency and hematology and oncology fellowship at the Medical University of South Carolina.
George Keogh, MD
George Keogh, MD is board-certified in Medical Oncology and Hematology. He completed his fellowship in hematology and medical oncology at Duke University Medical Center in Durham, North Carolina.
Douglas Michaelsen, MD
Douglas Michaelsen, MD is a graduate of Bowman Gray School of Medicine. He completed his residency and fellowship at the Medical University of South Carolina and is board-certified to practice in internal medicine and medical oncology.
Gene Saylors, MD
Gene B. Saylors, MD is board-certified in Medical Oncology and Internal Medicine. He earned his Doctorate of Medicine from The University of South Carolina School of Medicine and completed his fellowship in Hematology and Medical Oncology at The University of Alabama at Birmingham.
Shelly Shand, MD
Shelly Christiansen Shand, MD graduated from the University of Georgia and earned her Doctorate of Medicine from Mercer University School of Medicine. She completed her internship and residency in Internal Medicine at the University of Utah.
Nicholas J. Schmidt Jr., M.D
Nicholas J. Schmidt Jr., M.D., is a board-certified physician in internal medicine, oncology, and hematology with Charleston Oncology. He graduated from the University of South Carolina Honors College M.D. with a B.S. in biology
Our Physician Assistants
Corin Jaynes, PA-C
Biography
Eliza Hough, PA-C
Biography
Eliza C. Hough, PA-C is a board-certified physician assistant. Eliza graduated Cum Laude from Clemson University in 2000 with a Bachelor’s Degree in psychology and later received her Masters’s in Physician Assistant Studies from the Medical University of South Carolina in 2009. She is a proud Charleston native who enjoys many things in her free time including inshore or offshore fishing with her husband and learning about photography. Professional memberships include the American Academy of Physician Assistants, the South Carolina Academy of Physician Assistants, and the Golden Key National Honor Society.
Ashley Mackintosh, PA-C
Biography
Lindsey Vollono, PA-C
Biography
Erin Lott, PA-C
Biography
Heather Cheek, PA-C
Biography
Mary MacDonald, PA-C
Biography
Jamie Hogan, PA-C
Biography
coming soon
Rachel Henderson, PA-C
Biography
Rachel Henderson, PA-C, is a board-certified physician assistant. Rachel graduated summa cum laude from Clemson University in 2018 with a degree in pre-professional health sciences and a minor in biology. In 2019, she moved to Charleston, SC, where she worked in phase 1 oncology clinical trials, working with advanced solid tumor patients of all varieties at the Medical University of South Carolina (MUSC) Hollings Cancer Center. Rachel then went on to get her Master of Science in Physician Assistant Studies at MUSC and graduated in 2022. Following PA school, she completed a 1-year elective Advanced Practitioner fellowship in Hematology/Oncology at Levine Cancer in Charlotte, NC, where she rotated between various subspecialties to learn more about the field and advance her skills. She was inspired to enter the field of hematology/oncology to honor her dad, who battled lymphoma years ago, and to provide exemplary care to patients undergoing similar journeys. As a SC native, she enjoys spending time with friends and family nearby.
Our Nurse Practitioners
Tina Withrow, APRN, FNP-C, AOCNP
Biography
Ann Shattuck, NP-C
Biography
Pamela Stuckey, ANP
Biography
Penny Fanning, NP-C
Biography
Lisa S. Smith, MSN, APRN-BC
Biography
Kelly C Burtch, ACNP-BC
Biography
Kelly is a native of Philadelphia and is a die-hard Eagles fan. In her free time, she enjoys going to concerts, the beach, boating, and sailing. She also enjoys trying new restaurants and cooking.
Gwen Shattuck, MSN, APRN, FNP-C
Biography
Stephanie Carson, NP
Biography
Caroline Flake, AGACNP
Biography
coming soon
Diane Burdsal, AGPCNP
Biography
Alexander Leverett, NP
Biography
Our Pharmacists
Jeff Floyd, PharmD
Biography
Justin Overstreet, PharmD
Biography
“Dr. Saylors is amazing! She treated my wife throughout her breast cancer journey and you can tell she genuinely cares about her patients. I would recommend her to anyone and everyone who needs and oncologist."
“The team at Charleston Oncology provides amazing care! They made me feel comfortable and hopeful throughout my treatment, and always went beyond to make my experience better. Thank you Charleston Oncology!"
- Harriet S.
“I love Charleston Oncology because not only do they make me feel confident that I'm getting the best care, but Charleston Oncology gives that assurance to my family as well."
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A Grateful Patient’s Breast Cancer Journey
I am currently undergoing treatment for breast cancer at Roper St. Francis Hospital and would like to acknowledge two physicians who truly embody your mission of “healing with compassion, faith and excellence”.
National Cancer Survivor Month
Please join Charleston Oncology and the American Association for Cancer Research (AACR) in support of National Survivor Month, celebrating those who have fought the disease and those currently in treatment.
National Cancer Survivor Month
June is National Cancer Survivor Month and throughout the month we are honoring our brave patients and sharing their inspirational stories.
Melanoma Prevention and Awareness
May is Skin Cancer Awareness Month. Melanoma is a type of skin cancer that develops when melanocytes (the cells that give the skin its tan or brown color) start to grow out of control. Watch the video to learn more about melanoma from Charleston Oncology’s Dr. Charles S. Holladay.
Tips for Diagnosing Breast Cancer Early
Dr. Shelly Shand shares important tips for diagnosing breast cancer early and the latest advancements in breast cancer.
Staying Aware for Breast Cancer Awareness Month
Staying Aware for Breast Cancer Awareness monthCharleston Oncology is proud to sponsor Staying Aware for Breast Cancer Awareness month in conjunction with WCIV News Channel 4. We continue to partner with our community to ensure that every woman has the best chance of...