Patricia Adams-Graves, MD

Specialty: Hematology/Oncology

Dr. Adams-Graves is board certified by the American Board of Internal Medicine, Subspecialty Board of Hematology and the American Board of Medical Oncology. Her special interests include Hematology, Oncology, and Sickle Cell Disease. Dr. Adams-Graves is a member of the American Cancer Society and American College of Physicians and is ...
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Kenneth Ataga, MD

Specialty: Hematology/Oncology

Kenneth Ataga, MD is a hematologist at Regional One Health and medical director of the University of Tennessee Health Science Center’s Center for Sickle Cell Disease. Dr. Ataga is triple board-certified in medical oncology, hematology and internal medicine. Dr. Ataga earned his medical degree at University of Benin School of Medicine ...
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Saradasri Karri, MD

Specialty: Hematology/Oncology

Saradasri Karri, MD is a medical oncologist and hematologist at Regional One Health. Dr. Karri cares for patients with a variety of hematological and oncological issues and has a special interest in endocrine, neuroendocrine, and central nervous system tumors. She sees patients at Regional One Health as part of a ...
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Michael Martin, MD

Specialty: Hematology/Oncology

Michael G. Martin, MD, is a board-certified medical oncologist at Regional One Health. He earned his undergraduate degree at University of Memphis and his medical degree at University of Tennessee Health Science Center in Memphis, where he was named the Outstanding Medical Student Award and graduated with Highest Honors in ...
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Marquita Nelson, MD, MS

Specialty: Hematology/Oncology

Marquita Nelson, MD, MS is a dual board-certified hematologist/oncologist at Regional One Health. She specializes in providing care that improves quality of life for patients living with sickle cell disease, particularly older adults. Dr. Nelson earned her medical degree and completed her internal medicine residency at Emory University School of Medicine ...
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Ugochi Ogu, MD

Specialty: Hematology/Oncology, Pediatrics

Ugochi Ogu, MD is a board-certified pediatrics and pediatrics hematology/oncology physician at Regional One Health and the medical director of the Diggs-Kraus Sickle Cell Center, where she helps patients who are diagnosed with sickle cell disease. Dr. Ogu completed her medical degree at Windsor University School of Medicine in St. Kitts ...
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Jason Porter, MD

Specialty: Hematology/Oncology

Jason Porter, MD is a hematologist and medical oncologist at Regional One Health. He is board certified in internal medicine. Dr. Porter earned his Bachelor of Science at Christian Brothers University and his medical degree at University of Tennessee Health Science Center, both in Memphis. After finishing his residency in internal ...
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Jarvis Reed, MD

Specialty: Hematology/Oncology

Jarvis D. Reed, MD is a board-certified medical oncologist and hematologist in Regional One Health’s medical oncology service. Dr. Reed earned his medical degree at University of Tennessee Health Science Center. He also completed his internal medicine residency and fellowship in medical oncology at UTHSC, as well as additional fellowship training ...
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Todd Tillmanns, MD, FACOG

Specialty: Hematology/Oncology

Todd Tillmanns, MD, FACOG, is a board-certified gynecologic oncologist and obstetrician and gynecologist who sees patients in Regional One Health’s medical oncology practice. Dr. Tillmanns earned his medical degree at Creighton University and completed his residency at Medical College of Wisconsin. Following his residency, he held a fellowship in gynecologic oncology ...
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Michael Ulm, MD, MS, FACOG

Specialty: Hematology/Oncology

Michael Ulm, MD, MS, FACOG, a board-certified physician in obstetrics and gynecology, sees patients as part of Regional One Health’s medical oncology service. Dr. Ulm earned his Bachelor of Arts degree in Memphis at Rhodes College, followed by a Master of Science at Tulane University and his medical degree at University ...
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Gregory Vidal, MD, PhD

Specialty: Hematology/Oncology

Gregory Vidal, MD, PhD, is a medical oncologist at Regional One Health. He has earned three board certifications, in internal medicine and medicine oncology. Dr. Vidal earned both his medical degree and PhD at Tulane University School of Medicine, and also holds a Bachelor of Science and Master of Science from ...
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Kathryn Wright, DNP, APRN, FNP-C, CNOR, RNFA

Specialty: Hematology/Oncology

Kathryn Wright, DNP, APRN, FNP-C, CNOR, RNFA is an advanced practice practitioner who specializes in gynecologic oncology at Regional One Health. A native Memphian, Katie graduated Immaculate Conception High School for Girls and earned her Bachelor or Nursing degree at Union University in Jackson. She later attended University of Tennessee Health ...
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