Cancer Care Center Physicians

Timothy P. Rearden, MD, oncologist

 Dr. Timothy Rearden

Dr. Timothy Rearden developed an interest in the field of medicine at an early age. He received high school credit by assisting his hometown physicians in the operating rooms and their private clinic practices. He graduated from North County High School in Desloge, Missouri, in 1975.

Dr. Rearden graduated with a B.S. in biology from Southeast Missouri State University in 1979. He received a master’s degree in medical microbiology from the University of Missouri-Columbia in 1981. His research interest was in the development of vaccines to prevent gram-negative bacterial infections, which are infections that are resistant to multiple drugs and are increasingly resistant to most antibiotics.

Dr. Rearden graduated from the University of Missouri-Columbia School of Medicine in 1985, and completed his internal medicine residency at Letterman Army Medical Center in San Francisco, California. His residency was followed by his medical oncology and hematology fellowship, which he completed at Letterman Army Medical Center and the University of California, San Francisco Cancer Research Institute in 1992.

Dr. Rearden spent 10 years on active duty in the United States Army as a medical officer, where he was assigned to a MASH unit and participated in military training exercises. Later, he was the assistant chief of the Hematology Oncology department at Madigan Army Medical Center in Tacoma, Washington. Dr. Rearden considers his military career and his service to his country as two of his greatest lifetime accomplishments.

Currently, Dr. Rearden is the medical director of the Christian Hospital Cancer Care Center. He serves as the hospital's principle investigator for the Southwest Oncology Group national research consortium, and is active in local and national hematology and oncology research protocols. His research accomplishments include medical journal publications and presentations at national/international medical meetings.

Dr. Rearden is an instructor of clinical medicine for Washington University, School of Medicine, and he serves on the Broad of Directors for Christian Hospital. He is ABIM board-certified in Internal Medicine and Medical Oncology, and he has been listed in "Best Doctors in St Louis" and "Best Doctors in America" since 2002.

Virginia Herrmann, MD, general surgery

Dr. Herrmann restricts her practice to breast cancer surgery.

Dr. Herrmann earned her medical degree from St. Louis University, where she also completed her surgical residency. She completed her surgical fellowship at Harvard Medical School. Prior to her most recent practice South Carolina, she served as professor of surgery and director of the Breast Surgery Program at Washington University School of Medicine in St. Louis. Dr.Herrmann has more than 25 years of experience specializing in caring for patients with breast disease and practices exclusively at Christian Hospital.

Osama Qubaiah, MD, oncologist

Dr. Qubaiah

Dr. Osama Qubaiah is board-certified in medical oncology, hematology, geriatrics and internal medicine. 

Dr. Qubaiah joins us from the Oklahoma City VA Medical Center, where he served as chief of the hematology oncology department. He also was an assistant professor of medicine at the University of Oklahoma. He completed his fellowship and residency training at St. Louis University Hospital.

Nisarg Desai, MD

Nisarg Desai, MD

Nisarg Desai, MD, earned his medical degree in 2007. He recently completed his hematology-oncology fellowship at Roswell Park Cancer Institute at the University of Buffalo in New York.

Dr. Desai also completed a research fellowship at the Cleveland Clinic and an internal medicine residency at Staten Island University Hospital in New York.

Juan O. Carden, MD, oncologist

Dr. Juan Carden Dr. Juan Carden has been on staff at Christian Hospital since 1975, maintaining the excellent standard of care he learned while at MD Anderson Hospital in Houston, Texas. Today, Dr. Carden continues to implement new advances in the treatment of cancer and blood disorders.

Dr. Carden’s private practice is in Suite 108 of the Cancer Care Center. He is a Medicare/Medicaid provider and he participates in most insurance plans.

Mark E. Woodson, MD, oncologist

Dr. Mark Woodson

Dr. Mark Woodson received his degree from the Medical College of Wisconsin. He did his internal medicine residency at the University of Michigan, after which he trained in medical oncology at the University of Arizona. Dr. Woodson joined Hematology/Oncology Consultants in 1990.

Dr. Woodson is board-certified in internal medicine and medical oncology. He is director of oncology programs at Alton Memorial Hospital and is a member of the American Society of Clinical Oncology and the American College of Physicians.

Because Dr. Woodson has a special interest in improving the treatments cancer patients receive, he is the director of a research group that looks at the results of national and international cancer treatment studies.

Wade Thorstad, MD

Wade Thorstad, MD

As a radiation oncologist and nuclear medicine specialist, Dr. Wade Thorstad combines his medical knowledge with a passion for helping his patients. He concentrates on the treatment of cancers of the thorax, head and neck, and GI tract. He is especially interested in systemic radiotherapy, radioimmunotherapy, radioimmunodiagnosis, nuclear oncology and PET.

Dr. Thorstad is an assistant professor, radiation oncologist and chief of Head and Neck Cancer Service at Washington University.

Mackenzie Daly, MD

Mckenzie Daly, MD

Dr. Mackenzie Daly is a board-certified radiation oncologist, and has a special interest in breast, head and neck, and thoracic (chest) malignancy.

Dr. Daly graduated from the six-year combined BA/MD program at the University of Missouri-Kansas City. She completed her internship in internal medicine at Barnes-Jewish Hospital in St. Louis, Missouri, and her residency in radiation oncology at the Medical College of Wisconsin in Milwaukee, where she served as co-chief resident.

Dr. Daly is trained in the use of intensity modulated radiation therapy (IMRT), image-guided radiotherapy (IGRT), high-dose rate (HDR) brachytherapy and stereotactic radiosurgery.

Jiayi Huang, MD

Jiayi Huang, MD

Dr. Jiayi Huang specializes in radiation oncology, neuro oncology, Gamma Knife and lymphoma. He received his bachelor’s degree in Biochemistry at Brandeis University, Waltham, Massachusetts in 2001, and his medical degree from the University of Massachusetts Medical School, Worcester, Massachusetts. He did his residency in Radiation Oncology at William Beaumont Hospital, Royal Oak, Michigan, in 2012.

Dr. Huang’s areas of clinical interest are brain tumors, skull base tumors, spinal tumors and lymphoma. His procedure expertise is with Gamma Knife, stereotactic body radiation therapy, intensity-modulated radiation therapy and imaged-guided radiation therapy.