Our Providers

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Our Physicians

Twelve 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.

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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.

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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.

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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.

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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.

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Brian Lingerfelt, MD

Brian M. Lingerfelt, MD graduated from Virginia Commonwealth University School of Medicine at the Medical College of Virginia Campus. He completed his fellowship in Hematology and Medical Oncology at the Emory University Winship Cancer Institute.

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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.

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James Orcutt, MD

James M. Orcutt, MD is board-certified in Medical Oncology. He obtained his Doctorate of Medicine degree from Bowman Gray School of Medicine of Wake Forest University.

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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.

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Julia Saylors, MD

Julia Saylors, MD is board-certified to practice in internal medicine, hematology, and medical oncology. She completed her fellowship in hematology and oncology at the University of Alabama at Birmingham where she also completed her residency in internal medicine.

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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.

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Nicholas J. Schmidt Jr., M.D

Nicholas J. Schmidt Jr., M.D., is a board-certified physician in internal medicine and board-eligible in oncology and hematology with Charleston Oncology. He graduated from the University of South Carolina Honors College M.D. with a B.S. in biology

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Our Physician Assistants

Corin Jaynes, PA-C

Biography
Corin D. Elg, PA-C is a board-certified physician assistant. Originally from Illinois, Corin graduated from the University of Iowa with a Bachelor’s of Science Degree in 2005 and soon after moved to beautiful Charleston. After spending a few years working in a local obstetric and gynecology office she pursued further education at the Medical University of South Carolina. Corin received her Masters’s in Physician Assistant Studies in 2012. She worked in the upstate after graduation but knew she needed to return to the low country. She is happy to be back working, spending time with her friends, and participating in many athletic events, all in the best city in the world!

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
Ashley attended the University of Alabama in Tuscaloosa where she graduated with a BS in Biology. She pursued her passion in medicine by attending the Physician Assistant Program at the University of Alabama in Birmingham (UAB) where she graduated among the top of her class in 2010. Since then, Ashley practiced as a PA in Asheville, NC but has happily started a new journey in Charleston. As an outdoor enthusiast, Ashley is excited to experience coastal life. She enjoys running, yoga, and spending time with her spaniel, Wilbur.

Lindsey Vollono, PA-C

Biography
Lindsey M. Vollono, PA-C is a board-certified physician assistant. Originally from Connecticut, she graduated summa cum laude from UConn with a BS in Health Sciences. She then went on to receive her Master’s degree in Physician Assistant studies at the Medical University of South Carolina where she graduated at the top of her class in 2011. She started her career in cardiology and internal medicine but is excited to now be part of the CHOA team and return to the Lowcountry area. She enjoys spending time with her family on Fripp Island, going crabbing with her husband, and playing with her French bulldog, Chubs.

Erin Lott, PA-C

Biography
Erin D. Lott is a board-certified physician assistant. She received her Bachelor of Science from the University of Georgia and went on to receive her Master’s degree in Physician Assistant studies from the Medical University of South Carolina. Erin spent the first five years of her PA career working in pulmonary medicine in the Charleston area but is excited to now be a part of this oncology team. She loves Charleston and enjoys all of the culinary and artistic talents that are abundant in this city. Erin is a member of The American Academy of Physician Assistants and The South Carolina Academy of Physician Assistants.

Heather Cheek, PA-C

Biography
Heather B. DuBose, PA-C is a board-certified Physician Assistant. She has a Bachelor of Science degree in mechanical engineering from Bucknell University and later graduated cum laude from Medical University of South Carolina as a Physician Assistant in 2002. She started her career in medicine working with Charleston Oncology and has rejoined the team, after spending 8 years in Internal Medicine. Heather enjoys reading, going to the beach, and spending time with her 2 children, parents, and friends. She is active in her church and enjoys being a parent leader in her son’s Cub Scout pack. She also looks forward to visiting her sister’s family in Atlanta and traveling back to Delaware each summer to vacation in Bethany Beach.

Mary MacDonald, PA-C

Biography
Mary S. MacDonald, PA-C, is a board-certified Physician Assistant and has specialized in Hematology and Medical Oncology for 16 years. She completed her Master’s degree as a Physician Assistant at the Medical University of South Carolina and received her Bachelor of Science with honors from Presbyterian College. She is a member of the South Carolina Association of Physician Assistants.

Jamie Hogan, PA-C

Biography

coming soon

Our Nurse Practitioners

Tina Withrow, APRN, FNP-C, AOCNP

Biography
Tina Withrow is a board-certified family nurse practitioner. She earned a master’s degree in nursing from Simmons College and a bachelor’s degree in philosophy and religious studies from the College of Charleston. A Lowcountry native, Withrow has worked as an oncology nurse in both inpatient and outpatient settings for more than 20 years. She currently lives in Mount Pleasant with her two daughters.

Ann Shattuck, NP-C

Biography
Ann is a graduate of Appalachian State University. She obtained her Associate’s Degree in Nursing from Trident Technical College and completed her BSN from the University of Texas at Arlington. She went on to earn a Master of Science in Nursing from the University of Cincinnati. She is a certified Adult-Gerontology Primary Care Nurse Practitioner certified by the American Academy of Nurse Practitioners. Prior to joining Charleston Oncology, she worked in the inpatient and outpatient settings to include critical care, cardiovascular, and nephrology. She enjoys spending time with family and friends and loves to travel.

Pamela Stuckey, ANP

Biography
Pamela Stuckey graduated from Asheville Buncombe Technical Community College with an Associate’s Degree in Nursing. She obtained her BSN from the Medical University of South Carolina and went on to earn a Master of Science in Nursing from Indiana State University. She is a certified Family Nurse Practitioner by the American Academy of Nurse Practitioners, of which she is a member. Pamela worked as a Registered Nurse on the bone marrow transplant unit at Roper Hospital for 15 years before joining Charleston Oncology, PA in March 2015.

Penny Fanning, NP-C

Biography
Coming Soon!

Lisa S. Smith, MSN, APRN-BC

Biography
Lisa obtained a Master of Science in Nursing with an Oncology Specialty from Emory University. She graduated cum laude from The Medical College of Georgia with a Bachelor of Science in Nursing and earned an Associate of Science with honors from Middle Georgia College. She is board certified as an Adult Nurse Practitioner by the American Nurses Credentialing Center(ANCC). She is a member of Sigma Theta Tau Honor Society of Nursing and the American Association of Nurse Practitioners. Lisa enjoys traveling, cooking, gardening, and college football.

Kelly C Burtch, ACNP-BC

Biography
Kelly graduated magna cum laude from Vanderbilt University in 2010 with a Bachelor’s Degree in Child Development. She went on and completed her Master’s Degree in Nursing in 2012 at Vanderbilt University specializing in Acute Care. She is a board-certified Acute Care Nurse Practitioner through the American Nurses Credentialing Center (ANCC). She previously worked as a Trauma ICU Registered Nurse at Vanderbilt University Medical Center. In 2015, she moved to Charleston where she became the Hematology/Oncology Phase I Clinical Trials Nurse Practitioner at Hollings Cancer Center at the Medical University of South Carolina. In addition to her role in clinical trials, she specialized in gastrointestinal, melanoma, sarcoma as well as head and neck malignancies.

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
Gwen graduated from Butler County Community College in Butler, PA with an Associated Degree in Nursing. She then completed her Bachelor’s and subsequently her Master’s Degree in Nursing at Chamberlain College of Nursing. She is a board-certified Family Nurse Practitioner by the American Academy of Nurse Practitioners with more than 14 years of diverse direct patient care experience. Gwen was recognized as a Daisy Award Honoree in 2016 for providing extraordinary, compassionate, and skillful patient care. She enjoys spending time with her family and friends as well as traveling. She is a member of the American Academy of Nurse Practitioners and the Lowcountry Advanced Practice Nurses Association.

Stephanie Carson, NP

Biography
Stephanie graduated from the University of South Carolina in 2009 with a Bachelor’s Degree in Nursing. She worked as a Registered Nurse for seven years at Roper St. Francis Hospital on the Oncology and Medical-surgical floors before deciding to further her education. During her time as a Registered Nurse, she was designated a Daisy Award winner for her extraordinary patient care. She completed her Master’s degree in Nursing in 2017 at Walden University specializing and becoming a certified Adult-Gerontology Acute Care Nurse Practitioner thru the American Nurses Credentialing Center (ANCC). She is a member of the American Academy of Nurse Practitioners. She is a Charleston native who enjoys fishing, surfing, athletics, and spending time with her family including her Boykin Spaniel Duke.

Caroline Flake, AGACNP

Biography

coming soon

Diane Burdsal, AGPCNP

Biography
Coming Soon

Alexander Leverett, NP

Biography
Coming Soon

Our Pharmacists

Jeff Floyd, PharmD

Biography
Jeffrey M. Floyd, PharmD, earned his bachelor of science degree from Clemson University in Pharmacy. After Clemson Jeff, a native of Charleston returned home where he received his doctorate of Pharmacy degree from the Medical University of South Carolina. He is a member of the South Carolina Pharmacy Association, American Pharmacy Association, as well as Community Oncology Pharmacy Association. Jeff resides in Charleston with his wife Louisa and daughters Carlisle and Palmer. When not at work they enjoy hunting, fishing, boating, and attending Clemson football games.

Justin Overstreet, PharmD

Biography
Coming soon!

“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."

- James H.

“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."

- Trevor W.
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    Staying Aware for Breast Cancer Awareness Month

    Staying Aware for Breast Cancer Awareness Month

    Oct 5, 2022

    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...

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    Game Changing Neoadjuvant Lung Trial Enrolls the Most People in the World

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    Apr 7, 2022

    Charleston Oncology’s Clinical Trials most recent non–small cell lung cancer trial enrolled the most people in the world. Gene Saylors, MD, oncologist and hematologist at Charleston Oncology, will present the positive findings at the American Association for Cancer Research 2022 Annual Meeting. “When administering a new trial, we are always cautiously optimistic,” says Dr. Gene Saylors. “The positive results of this Neoadjuvant Lung Trial resulted in rapid FDA approval due to its impressive outcomes.”

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    Sarcoma and Bone Cancer Awareness

    Sarcoma and Bone Cancer Awareness

    Sep 15, 2021

    July is Sarcoma and Bone Cancer Awareness Month. Sarcomas are a rare group of cancers in which malignant cells form in the bones or soft tissues of the body.

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