Ajmel A. Puthawala, MD, FACR, FACRO, FASTRO

Ajmel A. Puthawala, M.D. is a board certified cancer specialist in Radiation Oncology and the medical director of the Orange County CyberKnife and Radiation Oncology Center. He received his medical doctorate from Gujarat University in Ahmedabad, India. He completed his internship and residency in New York and then went on to serve as the chief resident at the University of San Diego Hospital.

He is one of the internationally recognized pioneers in the field of brachytherapy and has held positions as an Attending Radiation Oncologist at both the Southern California Cancer Center/California Hospital and the Hospital of the Good Samaritan in Los Angeles. He has also been the Associate Director of Radiation Oncology, as well as the Clinical Hyperthermia Director, at the Todd Cancer Institute located at the Long Beach Medical Center in Long Beach, California. Dr. Puthawala is a Past President of the American Brachytherapy Society, a former editor of Brachytherapy, An International Journal, and Endocurietherapy/Hyperthermia Oncology: An International Journal. He has been a Fellow of the American Society for Therapeutic Radiology and Oncology, the American College of Radiation Oncology, and the American College of Radiology.

He has published more than seventy articles in various peer reviewed medical journals. Dr. Puthawala retains memberships in numerous oncologic societies, both in the United States and Europe. He is on the medical staff at Orange Coast Medical Center, Long Beach Medical Center, and Saddleback Medical Center Hospitals and is a clinical professor of radiation oncology at the University of California Irvine.

Areas of Interest

  • Brachytherapy
  • CyberKnife – Radiosurgery
  • Hyperthermia
  • Intensity Modulated Radiation Therapy (IMRT)
  • Radiation Therapy
  • Stereotactic body radiation therapy (SBRT)
  • Stereotactic radiosurgery (SRS)
  • TomoTherapy - Image-Guided Radiation Therapy (IGRT)
This physician is a member of the MemorialCare Physician Society, which drives clinical outcomes and performance for MemorialCare Health System.


  • Radiation Oncology
  • Radiation Oncology - Pediatric
  • Radiology & Imaging

Areas of Interest

MemorialCare Hospital Affiliations

MemorialCare Network