Our Fellows

Jennifer Dotson, DO

Jennifer Dotson was born and grew up in Ransom, KY, a small town bordering West Virginia in eastern Kentucky. She graduated from the University of Pikeville with her bachelor’s degree in Biology in 2009. While in college, her mother’s battle with colon cancer motivated her to pursue a medical degree at the Kentucky School of Osteopathic Medicine, graduating in 2013. Afterwards, she moved to Ashland, KY to join the internal medicine residency program at Marshall University and graduated from there in 2016. Her interests include traveling, photography, playing the piano, and spending time with her son Noah. She holds special interest in solid malignancies, especially colorectal cancer. After fellowship, she hopes to continue working in academic medicine and to practice in the Appalachian mountains that she calls home.


Ahmed Elsayed, MD


Heather Katz, DO

Dr. Katz is originally from Merrick, New York. She received her Bachelor of Science in biology with a minor in human development from the State University of New York College at Geneseo. She then received her Doctor of Osteopathic Medicine at Rocky Vista University College of Osteopathic Medicine in Parker, Colorado and was a member of their inaugural class. Dr. Katz then completed her Internal Medicine residency at Broward Health Medical Center in Fort, Lauderdale, Florida and served as chief resident of internal medicine. There, she received the honor of resident of the year 2015. During her residency, Dr. Katz presented at several national and local conferences and has published several peer-reviewed articles in the medical literature. After residency, she returned to Colorado as a hospitalist and adjunct professor working with internal medicine residents from SkyRidge Medical Center IM residency program and with medical students from TOURO College of Osteopathic Medicine in California. She is board certified in Internal Medicine by the American Osteopathic Board of Internal Medicine. In July 2016, she joined the Hematology/Oncology Fellowship at Marshall University Joan C. Edwards School of Medicine and hopes to help her patients on their journey as they fight their battle with cancer.  After fellowship Dr. Katz hopes to practice in a community based setting and have medical students and residents rotate with her. In her free time, Dr. Katz enjoys visiting her family and friends in New York, travelling, watching sports, being active and Broadway musicals.


Yousef Khelfa, MD, FACP

Medical School: Al Al Quds University Medical School

Yousef Khelfa received his Doctor of Medicine “MD" degree in 2003 from Al Quds University Medical School, Palestine. He and his wife, Shurouq, moved to the United States in 2006 to start his Internal Medicine Residency training at St Joseph Regional Medical Center -Mount Sinai School of Medicine, NJ/NY. In 2009 he got his American Board of Medicine diplomat degree. He worked between 2009-2013 as hospitalist and adjunct faculty in both The College of Osteopathic Medicine and East Peirce Family Medicine Residency Program in Washington state, before he became Assistant Professor of Medicine at Oakland University William Beaumont in Michigan state. He has a daughter and two sons. He enjoys traveling with his family to visit the natural places and explore the different cultures and food. He has been to several countries in Europe, North America and middle east. Yousef plays soccer and racquetball. After finishing his fellowship, he plans to move to California where he can both help cancer patients there and be closer to his family. He loves to teach and hopes to get the opportunity to do so in his career. He holds special interest in Quality Care Improvement and will continue to pursue this interest in the future.


Ali Raufi, MD


Roma Srivasava, MD