Cleveland Clinic Main Campus
John Suh, MD, is the Chairman of the Department of Radiation Oncology and Associate Director of the Gamma Knife Center at the Brain Tumor and Neuro-Oncology Center at Cleveland Clinic. Dr. Suh received his Bachelor's and Medical degrees from the University of Miami School of Medicine in Miami, Fla. He completed his internship, residency and fellowship at Cleveland Clinic from 1990 to 1995 and joined the Staff in 1995. He was the Residency Program Director from 1996 to 2002.
His primary research interests are brain tumors, Gamma Knife radiosurgery and innovative radiation modalities. He has participated in numerous in-house, pharmaceutical and cooperative group trials.
Cleveland Clinic Main Campus
May Abdel-Wahab, MD received her medical degree from the University of Cairo School of Medicine, in Cairo, Egypt. She completed her residency training at Jackson Memorial Hospital at the University of Miami School of Medicine.
Dr. Abdel-Wahab specializes in radiation therapy and intraoperative radiation therapy for colorectal cancer, esophageal cancer, liver cancer, pancreatic cancer, and stomach cancer.
Hillcrest Hospital
Henry Blair, MD, is Co-Director of the Hirsch Cancer Center and Medical Director of Radiation Oncology at Hillcrest Hospital. He is also ACS Physician Liaison, Hillcrest Hospital and Chairman of the Cancer Committee at Hillcrest Hospital.
Dr. Blair is board-certified in Radiation Oncology.
Cleveland Clinic Main Campus
Samuel Chao, MD, obtained his Bachelor's degree in chemistry with Honors and Distinction from Stanford University. He attended medical school at Case Western Reserve University and stayed in Cleveland to specialize in radiation oncology at Cleveland Clinic, where he is currently on Staff. His appointment is under the Brain Tumor and Neuro-Oncology Center and the Department of Radiation Oncology. Dr. Chao is also Assistant Professor at the Cleveland Clinic Lerner College of Medicine of Case Western Reserve University.
His clinical interests include adult and pediatric brain tumors, brain metastases, heterotopic ossification, stereotactic radiosurgery of the brain and spine, Gamma Knife radiosurgery, intensity-modulated radiation therapy and image-guided radiation therapy. His research interests include improving quality of life following treatment, and outcomes following radiation to the brain and spine. He is actively involved in research studies for brain and spine tumors.
Weston, Florida
Christopher Chen, MD attended Medical School at Jefferson Medical College of Thomas Jefferson University in Philadelphia, PA. He is certified in Radiation Oncology and has memberships in the American College of Radiology, American College of Radiation Oncology, and American Society for Therapeutic Radiology and Oncology.
Cleveland Clinic Main Campus
Jay Ciezki, MD, is a Staff member of the Department of Radiation Oncology at Cleveland Clinic. He is also a Staff member of the Department of Cell Biology at Cleveland Clinic. He is board-certified in radiology oncology.
Dr. Ciezki received his medical degree from the Medical College of Wisconsin in Milwaukee, Wisc. After medical school, he completed his residency and fellowship in brachytherapy at Cleveland Clinic. His clinical interests include brachytherapy, prostate cancer and genitourinary oncology.
Cleveland Clinic Main Campus
John Greskovich, Jr., MD, received his Bachelor's degree from Miami University in Oxford, Ohio and his medical degree from The Ohio State University.
Dr. Greskovich's specialty interests include thoracic oncology, gamma knife radiosurgery, and intensity modulated radiation therapy.
Cleveland Clinic Main Campus
Shlomo Koyfman, MD received his medical degree from the Yale University School of Medicine and then completed his residency training at the Cleveland Clinic Radiation Oncology Department.
Dr. Koyfman has a joint appointment in the Department of Radiation Oncology and Bioethics. He specializes in treating head and neck, skin and anorectal cancers. His research interests focus on treatment related outcomes, quality of life and the ethics of clinical trials.
Fairview Hospital
Margaret Kranyak, MD, has been on Staff at Cleveland Clinic since 1994. She serves on various hospital committees, and chairs the Breast Cancer Tumor Conference and the Oncology Process Improvement Committee.
Dr. Kranyak's primary interests are prostate and breast cancer, but she treats all types of cancer except for pediatric, and is considered a Generalist in Radiation Oncology. Dr. Kranyak has recently initiated a new support program for men entitled "For Men Only" which will hopefully continue to grow.
Wooster
Daesung Lee, MD, is on Staff in the Department of Radiation Oncology at Wooster. He attended the School of Medicine at Stony Brook University in Stony Book, NY, and is board-certified in radiation oncology.
Cleveland Clinic Main Campus
Roger M. Macklis, MD, is a Professor of Medicine at the Cleveland Clinic Lerner College of Medicine of Case Western Reserve University. He is a Staff member in the Department of Radiation Oncology and chaired the department from 1993 to 2005.
Board-certified in radiation oncology, his clinical interests include breast cancer, pediatric abdominal tumors, biologically targeted radiopharmaceutical therapy, radiosurgery, lymphomas, and various other combinations of automated and computer-assisted technologies. He lectures widely on all of these topics.
Fairview Hospital
Anthony Mastroianni, J.D., MD, is on Staff in the Department of Radiation Oncology at Fairview Hospital. He attended Case Western Reserve University and is board-certified in radiation oncology.
Main Campus
Erin Murphy, MD, attended Case Western Reserve University School of Medicine in Cleveland, OH, for her medical degree and then went on to complete her Residency at Cleveland Clinic’s Radiation Oncology Program. She then completed a Fellowship at St. Jude Children's Hospital in Memphis, TN.
Dr. Murphy is currently a Staff Physician in the Department of Radiation Oncology at Cleveland Clinic’s Main Campus and specializes in treating both adult and pediatric patients.
Hillcrest Hospital
Betty, Obi, MD, is a Staff physician in the Department of Radiation Oncology, located at Hillcrest Hospital. She was appointed in 1998.
Dr. Obi's interests include radiation therapy of the breast and head and neck.
Cleveland Clinic Main Campus
Kevin Stephans, MD received his Bachelor's degree from Williams College in Williamstown, MA and then attended Case Western Reserve University School of Medicine for his medical degree. Following medical school, Dr. Stephans completed his residency training at the Cleveland Clinic Radiation Oncology Department.
Dr. Stephans' specialty interests include prostate cancer, renal cell carcinoma, bladder cancer, lung cancer, pancreatic cancer, stereotactic body radiotherapy, and radio protectors.
Cleveland Clinic Main Campus
Rahul Tendulkar, MD received his medical degree from the University of Michigan Medical School and then completed his residency training at the Cleveland Clinic Radiation Oncology Department.
Dr. Tendulkar is the Residency Program Director for the Department of Radiation Oncology and his specialty interests include breast cancer and prostate cancer.
Hillcrest Hospital
Carmen Vermont, MD, is on Staff in the Department of Radiation Oncology at Hillcrest Hospital. She is board-certified in radiation oncology and her specialty interests include breast cancer, lymphoma, and pediatric radiation oncology.
Strongsville
Andrew Vassil, MD, received his medical degree from the University of Medicine and Dentistry of New Jersey, located in New Brunswick, New Jersey. He then went on to complete his Residency at Cleveland Clinic's Department of Radiation Oncology.
Dr. Vassil specializes in the latest radiotherapy treatments available for breast, lung, and prostate cancers. He is currently a Staff Physician at Cleveland Clinic Strongsville Family Health and Surgery Center.
Cleveland Clinic Main Campus
Gregory M.M. Videtic, MD, CM, FRCPC, received his medical degree from McGill University Faculty of Medicine in Montreal, Quebec, Canada. He completed a first residency in family medicine at Dalhousie University in Halifax, Nova Scotia. He later carried out a clinical research fellowship in geriatrics at the University of Western Ontario, London, Ontario.
He has been a Staff Physician at the London Regional Cancer Centre, London, Ontario; the Dana-Farber Cancer Institute, Boston, Mass.; and is currently Section Head for Thoracic Malignancies in the Department of Radiation Oncology at Cleveland Clinic.
His specialty interests include radioprotectants, radiosensitizers, stereotactic body radiotherapy, altered fractionation and treatment toxicity.
Cleveland Clinic Main Campus
Jennifer Yu, MD, PhD received her medical degree from Columbia University College of Physicians and Surgeons and then completed her residency training at the University of California San Francisco General Hospital.
Dr. Yu was appointed to Cleveland Clinic's Radiation Oncology Department in 2011 and specializes in treating breast cancer and central nervous system malignancies using radiation therapy.
Cleveland Clinic Main Campus
Ping Xia, PhD received her doctorate in physics from the University of Virginia in Charlottesville, Virginia. She is a Professor of Molecular Medicine and is Head of Medical Physics, Radiation Oncology for Cleveland Clinic’s main campus and regional radiation oncology facilities. Dr. Xia has been awarded The Don DiGeronimo Endowed Chair in Medical Physics.
Dr. Xia specializes in treatment planning and delivery in intensity modulated radiotherapy and image guided radiotherapy. Her research interests are in the development of four-dimensional radiation therapy, quantitative dosimetry for treatment outcomes, and the development of an informatics system for radiotherapy.
Parma Medical Center
Ned Began, MS is a staff physicist at the Cleveland Clinic and is located at the Parma Medical Center. He received his Master’s Degree in physics from the University of Detroit.
Mr. Began specializes in clinical radiation therapy applications and equipment quality assurance.
Cleveland Clinic Main Campus
Toufik Djemil, PhD, DABR is a staff physicist and the lead medical physicist of the Stereotactic Body Radiation Therapy Program at the Cleveland Clinic. He earned a PhD in nuclear engineering from the University of Illinois at Urbana-Champaign.
Dr. Djemil’s primary clinical interests include stereotactic radiosurgery in both intra and extra-cranial using Gamma Knife and Linac based modalities (Novalis and Synergy_S). His research interests include innovative radiation modalities and the investigation and implementation of novel techniques for state-of-the-art treatments in radiation oncology.
Cleveland Clinic Main Campus
Andrew Godley, PhD is a staff physicist at the Cleveland Clinic. He earned a PhD in High Energy Physics from the University of Sydney.
Dr. Godley’s primary clinical interests include brachytherapy, HDR, Gamma Knife, IMRT and IGRT. His research interests include online adaptive planning, deformable image registration, and image segmentation.
Cleveland Clinic Main Campus
Matthew Kolar, MS is a staff physicist at the Cleveland Clinic. He earned a Master’s Degree in physics with a medical physics concentration from Cleveland State University in Cleveland, Ohio.
Mr. Kolar’s interests include image guided radiotherapy, stereotactic body radiotherapy, brachytherapy, and quality assurance.
Cleveland Clinic Main Campus
Anthony Magnelli, MS is a staff physicist at the Cleveland Clinic. He earned a Master’s Degree in physics from Cleveland State University in Cleveland, Ohio.
Mr. Magnelli’s clinical interests include stereotactic radiotherapy to lung and spine, intensity-modulated radiotherapy and linear accelerator QA. His research interests include post-implant 1-125 prostate seed migration and radiotherapy quality assurance devices.
Strongsville
Lama K. Muhieddine Mossolly, MS, is a staff physicist and lead physicist at the Cleveland Clinic satellite at the Strongsville Family Health and Surgery Center. She earned her Master’s Degree from Cleveland State University in Cleveland, Ohio.
Ms. Mossolly performs monthly and annual quality assurance tests and is responsible for radiation safety procedures and tasks, as well as making sure the department meets the State of Ohio regulations.
Cleveland Clinic Main Campus
Gennady Neyman, PhD, DABR is a staff physicist and is a lead medical physicist for the Gamma Knife Center at the Cleveland Clinic. He earned a doctoral degree from Case Western Reserve University in Cleveland, Ohio.
Dr. Neyman’s specialty interests include stereotactic radiosurgery and stereotactic body radiotherapy.
Fairview Hospital
Michael J. Ohm, MS, is a staff physicist at the Cleveland Clinic and is located primarily at the Cancer Center at Fairview Hospital, Moll Pavilion. He earned a Master’s of Science Degree in radiological physics from the University of Cincinnati Medical School in Cincinnati, Ohio.
Mr. Ohm’s areas of interest include a wide variety of physics applications for radiation oncology, including external beam using IMRT and IGRT, brachytherapy, treatment planning/dosimetry, and computing.
Cleveland Clinic Main Campus
Malika Ouzidane, PhD is a staff physicist at the Cleveland Clinic. She earned a PhD from the University of Illinois at Urbana-Champaign in aeronautical and astronautical engineering.
Dr. Ouzidane’s clinical interests include external beam radiotherapy, brachytherapy, stereotactic radiosurgery and radiotherapy, both intra and extra-cranial, Gamma Knife and Novalis platforms, intensity modulated radiation therapy and image guided radiation therapy. Her research interests include the use of the Calypso 4D localization and tracking system in the treatment of prostate cancer.
Cleveland Clinic Main Campus
Peng Qi, Ph.D. is a staff physicist at the Cleveland Clinic. He earned a Ph.D. in Physics from Temple University in Philadelphia, PA. He then completed his Physics Residency at the Cleveland Clinic in Cleveland, OH.
Dr. Qi’s primary clinical interests include treatment planning, intensity modulated radiotherapy, and image guided radiotherapy. His research interests include adaptive planning, image-guided radiotherapy, and in vivo dosimetry.
Independence
Curtis Reece, MSc is a staff physicist at the Cleveland Clinic and is located at the Department of Radiation Oncology in Independence. He earned a Master’s Degree in Medical Physics with a specialty in Medical Imaging from the University of South Florida in Tampa, Florida.
Mr. Reece specializes in External Beam Radiotherapy and Intensity Modulated Radiation Therapy.
Hillcrest Hospital
Maria Rybak, MS is a staff physicist at the Cleveland Clinic and is located at Hillcrest Hospital. She earned a Master’s of Science Degree in medical physics from Cleveland State University in Cleveland, Ohio.
Ms. Rybak’s specialty interests include Brachytherapy, External Beam Radiotherapy, Image Guided Radiation Therapy, and Intensity Modulated Radiation Therapy.
Hillcrest Hospital
Michael Strongosky, MMSc is a staff physicist at the Cleveland Clinic and is located at Hillcrest Hospital. He earned a Master’s of Medical Science Degree in radiation oncology physics from Emory University in Atlanta, Georgia.
Mr. Strongosky’s specialties include Brachytherapy, External Beam Radiotherapy, and Intensity Modulated Radiation Therapy.
Fairview Hospital
Eric Tischler, MS is a staff physicist at the Cleveland Clinic and is located at Fairview Hospital. He received his Master’s of Science Degree in physics from Cleveland State University in Cleveland, Ohio.
Mr. Tischler’s specialties include Brachytherapy, Image Guided Radiation Therapy, Intensity Modulated Radiation Therapy, and Radiation Therapy Physics.
Wooster
Matthew K. Vossler, MS is a staff physicist at the Cleveland Clinic. He earned a Master’s of Science Degree in radiological physics from the University of Texas M.D. Anderson Cancer Center.
Mr. Vossler’s areas of interest include a wide variety of physics applications for radiation oncology, including external beam using IMRT, treatment planning/dosimetry, and computing.
Cleveland Clinic Main Campus
Allan Wilkinson, PhD is a staff physicist at the Cleveland Clinic and Director of the Physics Residency Program. He earned his Ph.D. from Yale University.
Dr. Wilkinson’s clinical and research interests are centered on brachytherapy and hyperthermia. He is co-director of the Medical Physics Graduate Program at Cleveland State University.
Cleveland Clinic Main Campus
Naichang Yu, PhD is a staff physicist at the Cleveland Clinic. He earned a PhD in physics from the University of Virginia.
Dr. Yu’s current interests include improvement in treatment plan optimization in external beam treatment, image guided radiation therapy, and brachytherapy.
Cleveland Clinic Main Campus
Tingliang Zhuang, PhD is a staff physicist at the Cleveland Clinic. He earned a PhD in Medical Physics from the University of Wisconsin-Madison.
Dr. Zhuang’s primary clinical interests include stereotactic radiotherapy, intensity modulated radiation therapy, and image guided therapy. His research interests include developing and implementing novel treatment techniques and applications of novel cone-beam CT image reconstruction for image guided therapy.
The Department of Radiation Oncology is comprised of several other team members that directly or indirectly assist our patients throughout his or her cancer treatment.
Coordinators
Radiation Oncology coordinators are administrative support representatives who assist in maintaining a variety of clinical programs, events and activities in the department of Radiation Oncology. Along with establishing schedules for events the coordinator represents programs effectively and professionally. The coordinators work collaboratively with both internal and external clientele.
Medical Dosimetrists
The dosimetrist has the education and expertise necessary to generate radiation dose distributions and dose calculations in collaboration with the medical physicist and radiation oncologist. The dosimetrist designs a treatment plan by means of a computer to deliver a prescribed radiation dose. When designing a plan, the dosimetrist takes into consideration the dose-limiting normal structures, such as the lens of the eye, the spinal cord, or the heart.
Medical Secretaries
Medical Secretaries perform a variety of administrative and clerical duties to support the physician staff in Radiation Oncology. These duties include: answering phone calls, handling and preparing correspondence, and keeping accurate and up-to-date schedules for the physicians. They must be well organized in order to maximize the efficiency of their physician's time.
Nursing
Delivering compassionate care to patients and their families is the primary focus of the nurses in the Department of Radiation Oncology at Cleveland Clinic.
We strive to provide excellent nursing care to:
- Maximize health
- Enhance quality of life
- Relieve suffering
- Provide education and support to patients and their families.
Promoting an environment that respects diversity, enhances quality of life and preserves human dignity, radiation oncology nurses collaborate with other professionals involved in patient care, including doctors, nurse practitioners, dieticians and social workers.
Patient Service Representatives
Patient Service Representatives provide our Radiation Oncology patients with excellent customer support. This group of trained individuals work with the patients to schedule a variety of complex appointments over the duration of their treatment. Additionally, they check patients in for treatments, offer support and provide information concerning financial clearance. Dedicated to patient satisfaction, our Patient Service Representatives strive for excellence to meet the needs of our diverse patient population.
Radiation Therapists
The radiation therapist is an integral part of the cancer treatment team. The therapist administers and records targeted doses of prescribed radiation. The radiation therapists are compassionate professionals educated in physics, radiation safety, human anatomy and patient care.
Research
The Radiation Oncology research team has the responsibility of oversight of numerous clinical research trials. These trials include therapeutic, retrospective, chart review, and database studies. The research team is comprised of a biostatistician, a data coordinator, regulatory coordinators, a research nurse, and a research supervisor. Our current Radiation Oncology clinical research trials are available online.
Special Procedure Group
The special procedures team consists of Radiation Therapists that have advanced training in the delivery of internal radiation therapy. Procedures include: intracavitary implants, interstitial implants, ocular implants, hyperthermia, and brachytherapy for treatment of the prostate.