By selecting Create Account, you agree to our Terms and Conditions.
Continue as a Guest

Sorry, there was a problem.

An unexpected error occurred and your request couldn't be handled. Please call a Dignity Health representative at
(844) 274-8497
OR
Chat with us here.

Reference code:
Continue as a Guest

Cancer Specialists

Our multidisciplinary, collaborative team ensures you have the best possible care every step of the way. 

Meet Our Team


ph-220x220

Costanzo Di Perna, MD

Medical Director, Dignity Health Cancer
Institute of Greater Sacramento


Serving as Medical Director for Dignity Health Cancer Institute of Greater Sacramento and Chief of Thoracic Surgery at Mercy San Juan Medical Center, Costanzo Di Perna, MD, is board certified in both thoracic surgery and surgery. His clinical interests include lung cancer, minimally invasive thoracic surgery, molecular diagnostics, esophageal cancer, benign esophageal disease and proteomics.
ph-220x220

Ram Lalchandani, MD

Medical Director, Medical Oncology, Dignity Health Cancer
Institute of Greater Sacramento

Ram Lalchandani, MD, is board certified in internal medicine, medical oncology and hematology. Serving as Medical Director of Medical Oncology for Dignity Health Cancer Institute of Greater Sacramento, Dr. Lalchandani earned his medical degree from the University of Connecticut and stayed to complete his internship at the University of Connecticut Hospitals. Dr. Lalchandani completed his residency at Hahnemann Hospitals in Philadelphia, coming to Sacramento for his fellowship at the University of California, Davis Medical Center.
ph-220x220

John Stevenson, MD

Medical Director, Radiation Oncology, Dignity Health Cancer
Institute of Greater Sacramento


In addition to being board certified in radiation oncology, John Stevenson, MD, is a Diplomate of the National Board of Medical Examiners. After completing his residency in radiation oncology at UCLA, he stayed on to serve as assistant clinical professor. He then founded both the UCLA Prostate Implant Program and the Arnold Palmer Prostate Center. Dr. Stevenson’s clinical interests and specialty training include high dose rate brachytherapy; prostate, breast and GYN brachytherapy; stereotactic radiosurgery and IMRT.

  • Breast cancer surgeons
  • Colorectal cancer surgeons
  • Lung cancer surgeons
  • Prostate cancer surgeons
  • Esophageal cancer surgeons
  • Gynecological cancer surgeons
  • Board-certified oncology specialists