The Breast Center at Simmons Cancer Institute at SIU

Robert S. Mocharnuk, MDRobert S. Mocharnuk, MD
Medical Director
Division of Hematology/Oncology
Associate Professor of Clinical Medicine
Specializes in breast cancer and genitourinary cancers, as well as non-malignant bleeding and clotting disorders.

Dr. Mocharnuk is the director of the Breast Center at the Simmons Cancer Institute with SIU School of Medicine.He is board certified in Hematology, Internal Medicine, and Medical Oncology.Dr. Mocharnuk received his medical degree from Texas Tech University School of Medicine, and completed his Internal Medicine residency and Hematology/Oncology fellowship at Los Angeles County, USC/Keck School of Medicine.

He earned both a B.A. with Honors in English and a Masters in education from Stanford University.He served as medical director for the Cancer Detection Center in Los Angeles from 1998 to 2001.He has also worked as a senior editor for Clinical Care Options, an educational website for Hematology/Oncology professionals, as well as a staff writer for Medscape/Web MD, for which he has written a number of articles and reviews on a variety of topics in Hematology/Oncology.

He is a member of the American Society of Clinical Oncology, the American Society of Hematology, and a Fellow of the American College of Physicians.

David Justin Rea, MD has joined the faculty at Southern Illinois University School of Medicine as an assistant professor of general surgery, specializing in transplant surgery. He also is a member of SIU HealthCare, the medical school’s practice group.
Previously, he held an appointment at Aurora St. Luke’s Medical Center in Milwaukee, Wis. (2009-11). He completed a two-year fellowship in abdominal transplant surgery (2009) as well as his general surgery residency (2007) at Mayo Clinic in Rochester, Minn. Rea completed his medical degree at New York Medical College in Valhalla, N.Y. (2000). He earned his bachelor’s in chemistry at the University of California, Berkeley (1993).
Rea is board certified in general surgery by the American Board of Surgery. He is a
member of several medical societies including the American Society of Transplant Surgeons,
the American Society of Transplantation, the American Association for the Study of Liver
Diseases and the American Hepato-Pancreato-Bilary Association. He has been published in
numerous professional journals.


Other SIU Physicians who are part of the team


Aziz U. Khan, MDAziz U. Khan, MD
Division of Hematology/Oncology
Associate Professor of Clinical Medicine

Dr. Khan is an educator for the Advanced Nurse Practitioners and Medical Residents in the Division of Hematology/Oncology. He is also working with development of the Hematology/Oncology Fellowship Program. He specializes in gastrointestinal malignancies, leukemias, lymphomas and other blood-related malignant and non-malignant disorders. Dr. Khan is also one of the Medical Oncologists seeing breast cancer patients.


Meghna Desai, MD
Division of Hematology, Oncology
Assistant Professor

Dr. Desai is an assistant Professor in the Division of Hematology Oncology in the Department of Internal Medicine at SIU School of Medicine. Previously, she was on the hematology and oncology staff at Central Maine Medical Center in Lewiston (2008-10) and on the medical staff of Northern Maine Medical Center in Fort Kent (2004 - 08). She completed a three-year fellowship in hematology and oncology at North Shore University Hospital in Forest Hills, N.Y. (2004, 2001). A native of India, she earned her medical degree at Mahatma Gandhi Mission's Medical College in New Mumbai (1997). Desai is board certified in hematology and medical oncology and in internal medicine. She is a member of the American Society of Hematology, the American Society of Clinical Oncology and the American College of Physicians.

Krishna Rao, MDKrishna Rao, M.D.,Ph.D is an Assistant Professor of Clinical Medicine with the Department of Internal Medicine, Division of Hematology and Oncology at Southern Illinois University School of Medicine and SIU Physicians and Surgeons.

Dr. Rao received his medical degree from the University of Miami, School of Medicine, Miami, Florida. He completed his Internal Medicine residency ay Mayo Graduate School of Medicine, Rochester, Minnesota followed by a three-year fellowship in Hematology/Medical Oncology at Fred Hutchinson Cancer Research Center, Seattle, Washington. Dr. Rao has completed his Ph.D. in Pathology at the University of Washington, Seattle, Washington. Dr.Rao has experience in bone marrow transplantation.

Dr. Rao is Board Certified in Internal Medicine, Hematology and Medical Oncology and is an accomplished researcher in the area of breast cancer. Bone marrow transplantation and breast cancer are two major areas of Dr.Rao's interest.

Nicole Sommer, MDNicole Sommer, M.D., is an assistant professor of plastic surgery at The Plastic Surgery Institute at Southern Illinois University School of Medicine. She is qualified to treat all aspects of plastic and reconstructive surgery. She has particular interest and training in all types of breast surgery including reconstruction, augmentation, reduction and asymmetry surgery. Dr. Sommer also has interest in noninvasive facial aesthetic procedures including peels, laser, botox, collagen and fat injections.

Dr. Sommer received both her medical degree and plastic surgery training from Southern Illinois University School of Medicine. Dr. Sommer recently completed a fellowship in breast and aesthetic surgery at the Nashville Plastic Surgery Center.
She is a member of the Alpha Omega Alpha Medical Honor Society. She has authored several book chapters and given national presentations.


Sabha Ganai, MD, PhD   Sabha Ganai, MD, PhD is an Assistant Professor in the Department of Surgery at the SIU School of Medicine. She is the Director of Gastrointestinal Oncology at the Simmons Cancer Institute. She is Board-Certified in General Surgery by the American Board of Surgery and is eligible for further certification in Complex General Surgical Oncology. Dr. Ganai earned her medical degree at the University of Southern California Keck School of Medicine, pursued further doctoral training in Molecular and Cellular Biology at the University of Massachusetts Amherst, and completed her general surgery residency at Baystate Medical Center / Tufts University School of Medicine. Prior to joining SIU, she completed a Surgical Oncology fellowship at the University of Chicago with additional training in Surgical Ethics at the MacLean Center for Clinical Medical Ethics.

Dr. Ganai is a surgical oncologist with expertise in the multidisciplinary management of hepatobiliary (liver, gallbladder, and bile ducts), pancreas, and foregut (stomach and esophagus) tumors, as well as retroperitoneal sarcomas and gastrointestinal stromal tumors. She has special training in the HIPEC (hyperthermic intraperitoneal chemotherapy) procedure for peritoneal malignancies. Her academic interests are focused on surgical education, ethics, palliative care, and translational research examining the biology of metastasis.

Dr. Ganai is a member of the Society for Surgical Oncology, the Americas Hepatopancreaticobiliary Association, the Association for Academic Surgery, the Association for Surgical Education, SAGES, the Pancreas Club, and the International Society for Diseases of the Esophagus. She is on the editorial board for ASCO Connection and is an active committee member for the Society for Surgery of the Alimentary Tract and the American Society of Clinical Oncology. She seeks to provide compassionate care and serve the surgical needs of patients with cancer in Central and Southern Illinois.