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Our Physicians

Bradley A. Jabour, M.D.
CEO/Chief of Neuroradiology

"Bradley A. Jabour M.D. is a nationally recognized neuroradiologist with more than 20 years of experience in research, academic and clinical arenas. Under his leadership Medical Imaging Center of Southern California has grown over the last decade into the leading outpatient imaging facilities on the Westside.

Dr. Jabour was Professor and Chief of Neuroradiology at UCLA Health Science Center (V.A. Medical Center) after having completed his neuroradiology fellowship at UCLA. He completed his residency in radiology at University of Southern California after having completed an internship in internal medicine at Tulane University.

Dr. Jabour has authored more than 40 peer review research articles on neuroradiology, head and neck radiology, as well as chapters in leading text books. Dr. Jabour's research pioneered new techniques in cancer imaging in the head and neck, both MR and CT vascular imaging, as well as

breakthroughs in spine imaging. Dr. Jabour has gained national recognition having developed a new technique using CT coronary angiography to advance the diagnosis and management of coronary artery disease.

A dynamic lecturer and teacher, he is a sought after speaker at universities and conferences around the world. Dr. Jabour has received several national honors and awards and a Certificate of Merit from The Radiological Society of North America (RSNA) for his research on PET and head and neck imaging.

Dr. Jabour also is an active member of numerous professional societies, including the American Medical Association, the Radiological Society of North America, the California Radiology Society, the American Society of Head and Neck Radiology and the Society for Spine Radiology.

He also is a senior member of the American Society of Neuroradiology.

Dr. Jabour, a native of South Africa where he was a competitive tennis and rugby player has lived in Santa Monica for 20 years. He continues his passion for fitness gravitating towards the perfect yoga position."

Sheldon E. Jordan, M.D.
Clinical Director

"Graduated from Brooklyn Tech in Industrial Design. Attended drama school in England at the University of Southampton, learning classical Shakespearean and experimental theater. An artist in portraiture and sculpture with gallery showings in New York and later in college.

Majored in art, psychology and natural sciences at Johns Hopkins mentored by one of the original leaders in American psychology, G Wilson Shaffer.

Neurophysiology research was with David Olton, one of the pioneers in the brain mechanisms underlying memory and learning. Published original research in behavior modification of autistic and developmentally disabled children at the Kennedy Institute at Johns Hopkins Hospital and developed programs for schizophrenic and depressed patients at the Sheppard Pratt Institute. Completed premedical studies at Harvard University.

Traveled to the west coast in 1972 for a Neurosciences graduate program and medical school at UCLA as the Goldwyn Scholar. Graduated from UCLA Medical School in 1977 with the Upjohn Award for best student in combined research and academics and the Gold Medal in Surgery. Medical Internship, Residency and Fellowships in clinical neurophysiology while staffing the electroencephalography laboratory and electromyography laboratory and completing all studies in 1981. Achieved recognition as the best Resident teaching award with the Augustus Rose Award. Elected as Fellow of the American Academy of Neurology became Board certified by the American Board of Psychiatry and Neurology, Pain Medicine, American Board of Clinical Neurophysiology, American Board of Addiction Medicine, and Interventional Pain Medicine. Additional certifications by the American Society of Neuroimaging are in Magnetic Resonance Imaging, Computed Tomography and Ultrasonography.

Has taught on faculty at UCLA and USC as Clinical Associate Professor. Helped found the Stroke Service at UCLA and participated in some of the early work in surgical monitoring, brain mapping and evoked potential physiology. Private practice in Westwood and Santa Monica since 1981 with emphasis on interventional pain management, neuroimaging, clinical neurophysiology and sports neurology; Numerous publications have been based on the clinical experience and research in these areas.

Neurology Consultant for US Soccer Men's and Women's National Teams, Major League Soccer, professional boxing and the NBA. Served as consultant for the State of California, Commission of Judicial Performance.

Professional art activities have included illustrations for numerous journal articles and books. Drawings were recently exhibited at the Brewery Art Center in Los Angeles. He is presently a consultant for Smart Brain and Health with research interests in transcranial magnetic stimulation for treatment of depression, pain and a variety of neurological and psychiatric disorders. He is a member of the national consortium for developing guidelines for Thoracic Outlet Syndrome and is co-editor and author of an upcoming textbook on Thoracic Outlet.

He is recognized by Best Doctors in America, Who's Who, Global Edition, and Super Doctors. His philosophy: listen to the patients tell their stories. Provide the antidote to cookie cutter medicine.

No predetermined clinic approach here. Each person must be treated as an individual. There is nothing more gratifying than getting someone better. Still thinks that there is a place for quality medicine. Is he crazy or what?"

Dr. Marisa Chang

"Dr. Marisa C. Chang graduated summa cum laude, Phi Beta Kappa with a full academic Trustees Scholarship from the University of Southern California. She continued her education as a Regents Scholar at the University of California, Irvine College of Medicine and graduated with Alpha Omega Alpha medical honors. She completed her Neurology residency at UCLA, where she was elected Chief Resident. Dr. Chang went on to pursue a fellowship in Headache, Interventional Pain, and Orofacial Pain at UCLA. She is the first neurologist to ever complete an Orofacial Pain Fellowship with the prestigious UCLA Orofacial Pain Program through the UCLA School of Dentistry.

Dr. Chang is an Assistant Clinical Professor at the UCLA Department of Neurology and UCLA School of Dentistry. She has received numerous teaching awards and was voted by the UCLA medical students as the best resident teacher in the Department of Neurology. She has lectured extensively on the pathophysiology and treatment of all forms of headache and pain. Dr. Chang is board certified by the American Board of Psychiatry and Neurology and is on the American Headache Society's section of Interventional Pain Management.

Despite her numerous academic accolades, Dr. Chang views her greatest accomplishment as the relationship she has with her patients. She draws upon her unique training to provide innovative and personalized care. Dr. Chang truly listens to her patients with a compassionate heart and combines the best of evidence based and state of the art medicine to serve each individual patient."

Dr. Edward O'Connor

"Born in Los Angeles into a large family, Edward J. O'Connor attended Loyola High School. Then he matriculated at the University of Notre Dame, where he was a varsity swimmer for four years. Recalling the pleasant Southern California weather, Edward opted to attend the UCLA School of Medicine. While in medical school, Ed played on the highly successful UCLA rugby team, winning 4 Varsity letters and a national championship.

Upon graduating from UCLA Medical School in 1970, Dr. O'Connor did two years of medical residency in the University of California Affiliated Hospitals (West L.A. VA Hospital, Harbor General Hospital, and UCLA Hospital). Then came a year of traveling the world before commencing a three year neurology residency, finishing as Chief Resident in Neurology at UCLA in 1977. From 1977-1978, Dr. O'Connor worked as registrar at the National Hospital for Nervous Disease, Queen Square and Maida Vale, London. He learned the tradition of great British clinical neurology under Professor Ian McDonald and others.

After returning to Los Angeles, Dr. O'Connor spent the next eight years at White Memorial Medical Center serving as Chief, Section of Neurology and as Director of the Rehabilitation Unit. In 1986, he partnered in private practice with fellow UCLA neurologists in the Neurological Associates of West Los Angeles. Still in this practice after 25 years, Dr. O'Connor has served as Chief, Section of Neurology at Santa Monica Hospital and Secretary of the St. John's Hospital Medical Staff, Santa Monica. He is a clinical associate professor of neurology at UCLA and USC, and a Fellow of the American Academy of Neurology. Dr. O'Connor is certified by the American Board of Psychiatry & Neurology, the American Board of Electrodiagnostic Medicine and certified in MRI by the American Society of Neuroimaging. He is a Fellow of the American Academy of Neurology.

Dr. O'Connor enjoys practicing in the ever-expanding field of neurology and strongly believes in employing the art and science of clinical neurology to arrive at the correct diagnosis, and then working closely with the patient to outline a specific treatment plan. He knows that listening attentively to the patient is the best neurological education. His practice encompasses all general neurology and more recently, an emphasis on the diagnosis and compassionate treatment of pain.

Edward is married with three sons. He participates in the UCLA Master's swimming program and remains involved in rugby as coach of a Los Angeles high school team. He has been elected to 3 rugby Halls of Fame: UCLA Rugby, Santa Monica Rugby Club (winning two more national championships), and the Albuquerque Rugby Club."

Dr. Thomas Leverone

"Dr. Leverone offers all versions of ketamine infusion therapy, including one day, three day, five day, and ten day. If ten day treatment is chosen, it is administered over two consecutive weeks with no treatment on the intervening weekend. It is up to the individual patient in consultation with their referring physician to determine how many days of ketamine infusion treatment are requested for the desired effect..

As a rule, the more consecutive days of ketamine infusion received, the better the results. However, this does not mean that everyone needs to arrange ten days of treatment, as we have excellent results with our version of single day treatment, and many patients do very well with 3 or 5 day treatments as well. You and your doctor will determine how many ketamine infusion treatments you will receive, but there are also considerations of travel, lodging, and cost per day of the ketamine infusion which must be considered."

Dr. Moshe Ben Roohi

"Moshe Ben-Roohi, M.D. is board certified in Physical Medicine and Rehabilitation and Board Eligible in Pain Management and Electrodiagnostics. His practice focuses on non-surgical, personalized treatments for painful conditions of the spine, joint, tendon and ligament disorders.

Dr Ben-Roohi has helped thousands of people resolve pain and restore normal function without surgery. He commonly treats low back pain, neck pain, spinal stenosis, herniated discs, degenerative disc disease, sciatica, arthritis of the knees, shoulders, hips, ankles, elbows, feet and hands. He also treats patients with muscle and tendon problems such as Achilles and rotator cuff tendonitis, tennis and golfers elbow.

Dr. Ben-Roohi's Specialties
  • Muscle conditions or injury
  • Muscloskeletal ultrasound
  • Arthritis: All joints
  • Non surgical treatment for back and neck pain: Low back, Mid back, Neck
  • Non-surgical treatment for joint pain: Hips, Knees, Shoulders, Elbows, Ankles, Hands/Feet
  • Tendon and ligament conditions or injury: Achilles tendonitis, rotator cuff tendonitis, golfers/tennis elbow

Dr. Payam Vahedifar

"Payam Vahedifar, M.D. is Board Certified in both Physical Medicine and Rehabilitation, and Pain Medicine. He has been practicing in both these specialties for more than 10 years. He specializes in nonsurgical and interventional treatment and pain management of the musculoskeletal system. He has appointments at UCLA-Santa Monica Orthopedic Hospital, as well as Providence Tarzana, Providence St. Josephs and West Hills Hospitals. Dr. Vahedifar graduated with honors from UCLA and subsequently graduated from Tulane University College of Medicine where he did extensive research on nerve associated pain.

He subsequently completed his residency training in Physical Medicine and Rehabilitation at UCLA Physical Medicine and Rehabilitation Multi-campus Residency and its affiliated hospitals including Shriners Hospital for Children, Wadsworth Veterans Administration, Orthopedic Hospital, and Rancho Los Amigos Medical Center. Dr. Vahedifar continued his training under the head of Orthopedic Spine Surgery at Orthopedic Hospital and did postgraduate training in spine and interventional spine treatments. He is a Fellow of the American Academy of Physical Medicine and Rehabilitation, a Diplomat of the American Board of Pain Medicine, and a Diplomat of the American Board of Physical Medicine and Rehabilitation. Dr. Vahedifar is a member of the American Society of Interventional Pain Physicians and the American Academy of Physical Medicine and Rehabilitation.

In addition to his clinical duties, Dr. Vahedifar has provided team physician services to the NBA Summer Pro League and served as a clinical instructor in the Sports Medicine and Kinesiology Program at California State University, Northridge. He has given many presentations on subjects such as conservative treatment of injuries of the lumbar and cervical spine both in university settings as well as on health education programs and media appearances on television.

He has been awarded the Patient's Choice Award by for 2008-2011 and is a nominee for Top Docs L.A.; he has also served on the board of the Hereditary Inclusion-Body Myopathy (HIBM) Institute, a nonprofit organization that conducts research to find cures for myopathies. He has also served at the chairman of the UCLA Health Fair and received the UCLA Chancellor's Award for Outstanding Community Service."

Dr. Dennis Holmes
Chief Breast Surgeon and Medical Director

Dennis R. Holmes, M.D. is the Chief Breast Surgeon and Medical Director of the Los Angeles Cancer for Women's Health, a recently opened comprehensive multi-specialty center dedicated to improving health outcomes in women. In this capacity, as well as in his former role as Breast Section Chief of the Los Angeles County + University of Southern California Medical Center, Dr. Holmes has acquired a comprehensive understanding of the challenges and opportunities for improving the health and quality of life of women facing a diagnosis of breast cancer and related health challenges. Prior to leading the opening of the Los Angeles Center for Women's Health, Dr. Holmes also held the position of Breast Cancer Surgeon and Co-Chair of the Breast Cancer Research Committee at the University of Southern California Kenneth Norris Comprehensive Cancer Center in Los Angeles and Program Director of the Breast Surgery Fellowship training program at the University of Southern California Keck School of Medicine.

Teacher and Researcher

In addition to providing outstanding surgical care to women with breast cancer, Dr. Holmes is actively engaged in breast cancer clinical trials that are focused on reducing the side effects and inconvenience of breast cancer surgery and radiotherapy, as well as reducing the barriers to treatment. Dr. Holmes is an authority on breast cancer innovations and serves as a board member of the American Society of Breast Diseases, program co-chair of the national Consensus Conference on Women's Health, program committee-member of the American Society of Breast Surgeons and the National Consortium of Breast Centers annual conferences, and a Fellow of the American College of Surgeons. In this capacity, Dr. Holmes plays a major role in educating other breast cancer specialists on the optimal treatment of breast cancer. Dr. Holmes is also a sough after speaker for lay groups because of his ability to explain breast cancer prevention, diagnosis, and treatments to non-physicians. His free online guide, "10 Things You Should Do Before Undergoing Breast Cancer Surgery: A Patient Guide to High-Quality Breast Cancer Care" is a widely used guide to help women avoid common missteps in breast cancer diagnosis and treatment. Download this Breast Cancer Surgery preparation guide in English, Spanish, Mandarin, Korean, and Tagalog.

Expert in Intraoperative Radiotherapy

Among Holmes' research achievements is his pioneering research in intraoperative radiotherapy, which has contributed to establishing this innovative treatment as a new standard treatment of breast cancer. Intraoperative radiotherapy reduces radiotherapy treatment time from 30 days to only 1 day. Dr. Holmes has published and lectured internationally on intraoperative radiotherapy of the breast, serves as a National Co-chair of the United States Targeted Intraoperative Radiotherapy Registry trial, and is author of the website:

Dr. Timothy Davis

Dr. Davis believes in a multidisciplinary approach to spinal disorders. He specializes in minimally invasive intradiscal treatments for disc degeneration, electrodiagnostics, and neuromodulation for chronic nerve pain. He is also considered and expert in the field of intraoperative neruophysiological monitoring.

After earning his medical degree from the University of Missouri-Kansas City School of Medicine, Dr. Davis completed his surgical internship at Ochsner Medical Foundation in New Orleans, Louisiana. He then completed his residency in physical medicine and rehabilitation at the University of California, Los Angeles Medical Center and at the West Los Angeles Veteran's Hospital. During his residency, he was a member of the spinal cord injury team at Rancho Los Amigos Hospital, where he received extensive training in the management of acute and chronic spinal injuries.

Dr Davis is currently involved in research using intradiscal biologic injections to repair damaged discs in the spine.

Dr. Hyun Bae

Dr. Bae began his medical studies at Columbia University School of Engineering and Applied Sciences where he graduated with a degree in biomechanics. He then went on to earn his medical degree, cum laude, at Yale University School of Medicine. Dr. Bae completed his surgical internship at North Shore University Hospital and his orthopaedic surgical residency at the Hospital for Special Surgery in New York. He completed his spine fellowship at Case Western Hospital in Cleveland.

Dr. Bae has written numerous articles based on his research as well as presenting on behalf of the American Academy of Orthopaedic Surgery. He is researching the use of adult stem cells in the regeneration of nervous tissue in spinal cord injuries.

Dr. Mollie Johnston

Dr Mollie Johnston graduated from the University of Iowa with honors in Applied Physiology. She then went on to the University of Minnesota in her hometown of Minneapolis to complete her Doctorate of Medicine. She then pursued a fellowship in Headache, Interventional Pain Management, and Oral Facial Pain Management. Now she is a full time faculty Neurologist at UCLA as an Assistant Clinical Professor in Headache, Interventional pain and Oral Facial pain.

Dr. Johnston is interested in Clinical Research, Head and Neck Pain, Back Pain, Botox, Clinical Trials, Facial Pain, General Neurology, Headache, Interventional Ultrasound, Neuropathy, Occipital Neuralgia, Trigeminal Neuralgia, Glossopharyngeal Neuralgia, Cranial Neuralgias, Peripheral Nerve, Spine, Thoracic Outlet Syndrome, and TMJ (Temporal Mandibular Joint) Pain.

Dr. Johnston has published several highly regarded papers about her research and is continuing to assimilate cutting edge techniques for the treatment and care of her patients."