you are here > Physicians


Joseph Song, M.D.
Radiation Oncologist

Rohnert Park Cancer Center

Dr. Song is a 3rd generation physician who grew up in Wisconsin where his father was in private practice as an Ob Gyn. He earned his BA in Anthropology at Harvard College, and his MD at Harvard Medical School in Boston. Dr. Song chose Radiation Oncology as his specialty because the synthesis of direct patient care, cancer biology, physics, and multidisciplinary care appealed to him. He completed his Residency training at the University of California, San Francisco (UCSF) where he also served as Chief Resident. He is Board Certified in Radiation Oncology by the American Board of Radiology, and he is experienced in Intensity Modulated Radiation Therapy (IMRT), Stereotactic Radiosurgery, and both permanent seed and High Dose Rate (HDR) brachytherapy. Dr. Song and his wife, Samantha, enjoy hiking along the California Coast, snowboarding, and winetasting.




Jason Kelly, M.D.
Radiation Oncologist

Rohnert Park Cancer Center

Dr. Kelly was born and raised in the San Francisco Bay Area. After completing his undergraduate studies in Biochemistry and German at the University of California at Berkeley, he attended the School of Medicine at Georgetown University. His postgraduate training began with an internship in Internal Medicine at Cedars-Sinai Medical center in Los Angeles. Subsequently, he completed his specialty residency training in Radiation Oncology at University of Texas, M.D. Anderson Cancer Center in Houston. Upon graduating from residency Dr. Kelly accepted an invitation to stay on at the M.D. Anderson Cancer Center, where he performed thoracic oncology research and teaching as an Assistant Professor for two and one- half years. In 2002, he moved with his wife and two children back to the Bay Area to join his friend and colleague, Dr. Joseph Song, in opening the newly-built Rohnert Park Cancer Center in Sonoma County. Dr. Kelly is Boear Certified in Radiation Oncology by the American Board of Radiology.



Diane Tsai, M.D.
Radiation Oncologist

Rohnert Park Cancer Center

Dr. Tsai received her medical degree from the University of Medicine and Dentistry of New Jersey. She did a Primary Care Internal Medicine internship at Yale University School of Medicine and then went on to Johns Hopkins Hospital to do her Radiation Oncology specialty residency. Dr. Tsai then served on the faculty staff at Georgetown University Medical Center where she was Assistant Professor of Radiation Medicine and director of the Breast Radiotherapy and Brain Tumor services. She was in private practice at Virginia Mason Medical Center and Providence Medical Center in the Seattle area before relocating to the San Francisco Bay area recently. Dr. Tsai is currently a Kaiser Permanente radiation oncologist at the Rohnert Park Cancer Center. She is board-certified in Radiation Oncology and has a special interest in breast cancer. Dr. Tsai enjoys the practice of radiation oncology as it allows her to combine her interest in science and ever-changing technologies with the art of medicine and interpersonal skills to provide top quality patient care.



Das Mohan, M.D.
Radiation Oncologist

Fresno Cancer Center

Dr. Mohan has joined the Fresno Cancer Center as Medical Director . Dr. Mohan received his medical degree from Bangalore Medical College, India. He completed post-graduate training in Radiation Oncology at Kidwai Memorial Institute of Oncology, India and worked as a staff Radiation Oncologist at the same institute till 1994. He did his fellowship in Brachytherapy (Radiation Oncology subspecialty) at the New York Hospital Medical Center of Queens. He completed his residency in Radiation oncology and graduated from The Cleveland Clinic Foundation, Cleveland, Ohio. He is trained to do Intensity Modulated Radiation Therapy, 3D conformal Radiation Therapy and Brachytherapy. Dr. Mohan is a member of American Society for Therapeutic Radiology and Oncology. He has authored numerous articles and has presented at many conferences and professional association meetings.



Giatri Dave, M.D.
Radiation Oncologist

Fresno Cancer Center

Dr. Dave received her medical degree from Emory University School of Medicine, Atlanta Georgia. She was awarded the Low Beer’s clinical research fellowship in radiation oncology from University of California, San Francisco. She completed her residency in Radiation Oncology at Kaiser Permanente Regional Radiation Oncology Department in Los Angeles, California. She is trained in 3D Conformal radiation therapy, brachytherapy and intensity modulated radiation therapy. Dr Dave is a board-certified radiation oncologist and is a member of the American Society of Therapeutic Radiology and Oncology and the American Society of Clinical Oncology.

  Dr. Dave received her medical degree from Emory University School of Medicine, Atlanta Georgia. She was awarded the Low Beer’s clinical research fellowship in radiation oncology from University of California, San Francisco. She completed her residency in Radiation Oncology at Kaiser Permanente Regional Radiation Oncology Department in Los Angeles, California. She is trained in 3D Conformal radiation therapy, brachytherapy and intensity modulated radiation therapy. Dr Dave is a board-certified radiation oncologist and is a member of the American Society of Therapeutic Radiology and Oncology and the American Society of Clinical Oncology.

Home | About Us | Locations | Contact Us  
Copyright © 2006 US Cancer Management Corporation - All Rights Reserved.