AVANGUARD SURGERY CENTER - Key Persons

Job Titles:

• Member of the Pain Management Team
• FAANS

Job Titles:

• Member of the Pain Management Team
• Clinical Assistant Professor of Ophthalmology

Dr. David B. Samimi earned his M.D. degree from the David Geffen School of Medicine at UCLA and internship at Harbor UCLA Medical Center. Dr. Samimi then completed his ophthalmology training at the #1 rated residency program in the United States, the University of Miami's world-renowned Bascom Palmer Eye Institute. Dr. Samimi is a Clinical Assistant Professor of Ophthalmology and currently teaches oculofacial plastic surgery at the Keck School of Medicine at USC. His teaching endeavors at USC also include a recurring lecture series, Botox and facial filler workshop and directorship of the annual Oculoplastic Suturing Course.

Dr. Jared D. Ament is a board eligible fellowship-trained neurosurgeon. He specializes in complex and minimally invasive brain and spine surgery, using the latest technologies, including neuronavigation and robotics. He focuses on the management of spinal deformity, degenerative spine diseases, brain and spine tumors, facial pain/spasm syndromes (trigeminal neuralgia, hemifacial spasm, and glossopharyngeal neuralgia). Dr. Ament is also an advocate for motion preserving spine surgery and technology for the appropriate patients (artificial cervical and lumbar discs, facet off-loading devices, etc). Dr. Ament received his Hon. BSc. from the University of Toronto and his MD from the Medical School for International Health, a collaborative initiative between Ben-Gurion University in Israel and Columbia University, NY. He completed his surgical internship at the University of Massachusetts and a post-doctoral fellowship in surgical outcomes at Harvard Medical School. His Master of Public Health degree is from the Harvard School of Public Health and he served as adjunct faculty at Harvard's department of Population Health and Epidemiology. He completed his neurosurgical training at University of California, Davis and an enfolded complex and minimally invasive spine fellowship at Cedars Sinai Medical Center under Dr. J. Pat Johnson. Dr. Ament has specific research interests in cost-effectiveness, cost-utility analyses, economic modeling, decision analysis, international surgery, and medical education. He has spearheaded several large projects both in the USA and other countries including Israel, Egypt, Jordan, Ethiopia, Sudan, Ecuador, and Bolivia. He is the first-author on over 23 peer-reviewed publications, several book chapters, and has presented work on cost-effectiveness at national and international conferences. Dr. Ament's economic models have resulted in national reform towards increased government and payer support for various surgical interventions. He is the recipient of the Mayfield Clinical Science and John Hanbery Awards, for the best clinical papers related to his work on the cost-effectiveness of artificial disc technology in patients with degenerative cervical spine disease. He was also part of team that introduced the first Neurosurgical Boot Camp to South American trainees in Bolivia in an effort to standardize neurosurgical education abroad.

A native of Minnesota, Dr. Ryan Peterson attended medical school at The George Washington University in Washington, DC. He completed his internship in Internal Medicine at St. Vincent's Hospital Manhattan and residency training in Anesthesiology at Weill Medical College of Cornell University, both in New York City. Dr.Ryan Peterson then headed west and trained in the Pain Management fellowship at UCLA Hospital. He practices Pain Management, Addiction Medicine in the Los Angeles area. Ryan Peterson, MD is accepting new patients at this time. Dr. Ryan Peterson is a proud member of the following groups: American Medical Association American Society of Anesthesiologists California Society of Anesthesiologists American Society of Regional Anesthesia and Pain Medicine American Society of Addiction Medicine California Society of Addiction Medicine International Doctors in Alcoholics Anonymous American Board of Anesthesiology American Board of Addiction Medicine

Job Titles:

• Member of the Pain Management Team

Dr. Sherif Said is a board certified, fellowship trained pain management physician and anesthesiologist. He is a native of San Fernando Valley and is a UCLA alumni. Dr. Said attended medical school at the University of South Florida in Tampa. He then went on to complete his anesthesiology residency and pain management fellowship at USC.

Job Titles:

• Member of the Pain Management Team

Job Titles:

• John a

Dr. Grigoryants is a board certified plastic surgeon specializing in cosmetic plastic surgery of the body and face. His practice is located at the Verdugo Hills Hospital in Glendale. Dr. Grigoryants provides his patients with effective and most advanced plastic surgery procedures in the safest possible environment. Patients come to Dr. Grigoryants from all over the United States as well as from other countries. Dr. Grigoryants is following in the footsteps of his father and grandfather who were both surgeons. After graduating from Dartmouth Medical School with Honors in Hanover, NH, he completed prerequisite training in General Surgery at the University of Michigan in Ann Arbor. Dr. Grigoryants accomplished additional fellowship training in Surgical Critical Care at the University of Michigan. Dr. Grigoryants completed a busy and comprehensive training in Plastic and Reconstructive Surgery at the University of Virginia in Charlottesville, VA. Throughout his training, Dr. Grigoryants has been a recipient of many awards for academic excellence and his research contributions to the field of surgery. Dr. Grigoryants has conducted basic science and clinical research. His work has been featured in scientific journals and medical conferences Vladimir Grigoryants, Kant Lin. Pediatric chondrodermatitis nodularis helicis: case report and review of the literature. In Print. Journal of Craniofacial Surgery. Vladimir Grigoryants, Kevin K. Hannawa, Charles G. Pearce, Indranil Sinha, Gorav Ailawadi, Kristopher B. Deatrick, Derek T. Woodrum, Peter K. Henke, James C. Stanley, Matthew J. Eagleton, Gilbert R. Upchurch. Tamoxifen upregulates catalase production, inhibits vessel wall neutrophil infiltration, and attenuates development of experimental abdominal aortic aneurysms. .Journal of Vascular Surgery. 2005;41:108-114. Mathew Eagleton, Vladimir Grigoryants, DA Peterson, , David M. Williams, Peter K. Henke, Thomas W. Wakefield, James Stanley, Gilbert Upchurch. Endovascular treatment of abdominal aortic aneurysm is associated with a low incidence of deep venous thrombosis. J Vasc Surg. 2002 Nov;36 (5):912-6. Alik Farber, Vladimir Grigoryants, Diane M. Pallack, Jack L. Cronenwett, Richard J. Powell. Primary aortoduodenal fistula in a patient with a history of intravesical therapy for bladder cancer with bacillus Calmette-Guerin: review of primary aortoduodenal fistula without abdominal aortic aneurysm J Vasc Surg.