Sergio Jaramillo, MD

Vladimir Avkshtol, MD, earned his Doctor of Medicine at University of Toledo College of Medicine and Life Sciences in Toledo, Ohio, in 2014. He followed by completing his residencies in Internal Medicine at Henry Ford Hospital in Detroit, Michigan, in 2015 and in Radiation Oncology at Fox Chase Cancer Center in Philadelphia, Pennsylvania, in 2019. Board certified by the American Board of Radiology, Dr. Avkshtol joined Kelsey-Seybold in August 2023. Dr. Avkshtol was inspired to become a physician to be there for patients in their time of need. He provides personalized, patient-centered care for patients with diseases that can benefit from radiation treatment, including cancers.

Courtney Champagne, FNP-C, earned her Bachelor of Science in nursing in 2015 from Texas Woman's University. She then earned her Master of Science in Nursing at University of Texas Health Science Center at Houston in 2022. In 2023, she won the Faculty Award of Excellence at Cizik School of Nursing. Courtney was inspired to become a nurse practitioner because she enjoyed the complexities of diagnosing and treating patients, while still being able to provide the personalized care that nurses are known for. Courtney's cares for patients who have a high risk for developing cancer, have completed cancer treatment, or have anemia or low blood counts. She joined Kelsey-Seybold in 2024.

Dr. Yang Zhou completed his Bachelor of Arts in Biology at the University of Texas at Austin in 2012. He went on to complete his medical degree at Baylor College of Medicine in Houston in 2016, where he also completed his residency in Internal Medicine in 2019 and his fellowship in Hematology and Oncology in 2023. Dr. Zhou served as Chief Fellow during the final year of his fellowship. Dr. Zhou believes each patient is unique and therefore each treatment plan should be individualized in conjunction with the standard of care practices. He enjoys forming long-term relationships with his patients and assisting them through any challenges they may face. He is board certified in Internal Medicine and joined Kelsey-Seybold in July 2023.