Cardiologist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Chiropractor providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Dentist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Dermatologist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Family Physician providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
OB-GYN providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Ophthalmologist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Orthopedic Surgeon providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Pediatrician providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Physical Therapist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Podiatrist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Psychiatrist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
A native of Detroit, Michigan, he completed his undergraduate work at Kenyon College, Gambier, Ohio. He received his medical doctorate from Wayne State University School of Medicine, Detroit, Michigan. Dr. Peterson completed his surgery internship at Northwestern University, Chicago, Illinois, and an orthopaedic residency at Naval Medical Center, San Diego, California. His post graduate training included two fellowships: Hand Surgery at Naval Medical Center, San Diego, and Foot and Ankle Surgery fellowship at Harborview Medical Center and University of Washington, Seattle, Washington. Post fellowship positions included Staff Orthopaedic Surgeon, Director, Foot and Ankle Surgery Service and Staff Orthopaedic Hand Surgeon, Naval Medical Center, San Diego, California.
A native of South Africa, he completed both his undergraduate studies and his medical degree at the University of the Witwatersrand, Johannesburg, South Africa. Dr. Tradonsky went on to complete his Orthopaedic Surgery Residency at Mt. Sinai Medical Center, Cleveland, Ohio. He then did a fellowship in Sports Medicine and Arthroscopic Surgery at Rush Presbyterian St. Luke's Hospital Center, Chicago, Illinois.
Brandon A. Ortega, MD, is a fellowship-trained orthopedic spine surgeon who provides comprehensive and personalized spinal care to adults in Torrance and Long Beach, California. His dedication to helping each patient regain mobility, reduce pain, and improve their quality of life has earned the respect of everyone in the community struggling with neck and back pain.
Dr. Ortega received his medical degree from the Keck School of Medicine at the University of Southern California (USC) in Los Angeles. He stayed at USC to complete his orthopedic surgery residency, where he served as chief resident.
He pursued specialized training in spine surgery, completing a fellowship at the prestigious University of California, Davis. During his fellowship training, he learned traditional, minimally invasive, and image-guided techniques for treating complex adult and pediatric spinal deformities.
Dr. Ortega specializes in diagnosing and treating all cervical (neck), thoracic (mid-back), and lumbar (lower back) conditions. His areas of interest include motion-preserving and minimally invasive surgery and using advanced technologies like navigation, robotics, and endoscopy to improve patient safety and outcomes.
He has published many peer-reviewed articles and textbook chapters and presented his research at national and international medical conferences.
Taking a compassionate and patient-centered approach, Dr. Ortega believes in treating each patient as a person and tailoring treatment to meet their specific needs and goals.
He creates treatment plans that integrate nonoperative interventions, including lifestyle and activity changes, physical therapy, occupational therapy, and pain management. His whole-person approach addresses each patient’s spine condition, optimizing conservative treatments and helping them avoid surgery whenever possible.
Dr. Ortega welcomes new patients and looks forward to providing ongoing care to his current patients, working with them to restore an active, healthy life.
Allan M. Delman, M.D., is an orthopedic surgeon who has been providing expert orthopedic care at his private practice in San Pedro, California, since 1983. His areas of specialty include orthopedic joint replacement surgery (hip, knee, and shoulder replacement), arthroscopic surgery of the knee, shoulder and ankle, sports medicine, spinal conditions, and general orthopedics including trauma.
Dr. Delman received a Bachelor of Arts from the State University of New York at Buffalo where he graduated Magna Cum Laude and was inducted into Phi Beta Kappa. He then earned his Doctor of Medicine from Albany Medical College of Union University in Albany, New York where he was inducted into the prestigious Alpha Omega Alpha honor medical society.
He then completed his internship at New York University/Bellevue Hospital in New York City before moving to Southern California for his residency training at UCLA Medical Center in Los Angeles. Following his residency, Dr. Delman returned to New York University to complete a one-year fellowship in spine surgery and spinal deformities and then moved back to California to open his practice in San Pedro.
Dr. Delman’s interest in orthopedic surgery began when he played Division I basketball and baseball while at SUNY Buffalo. When he’s not caring for his patients, Dr. Delman enjoys playing golf, exercising, traveling, and spending time with his family.
“Dr. Simmons and Dr. Collins are the best - I’ve been seeing them for 3 weeks now concerning my knees and back and am already experiencing much less pain compared to when I started the treatments. I highly recommend them both.”
Stepan Kasimian, M.D., is an orthopaedic surgeon with specialty training in complex spinal reconstruction and minimally invasive spine surgery. His primary interests include degenerative spine disease and spinal deformity. He has extensive experience in treating multiple spine disorders including disc herniations, spinal stenosis, spondylolisthesis, kyphosis, scoliosis, tumors, and spinal trauma in the cervical, thoracic, and lumbar spine.
EDUCATION
Dr. Kasimian received his undergraduate degrees in Microbiology & Molecular Genetics and History from the University of California, Los Angeles. He completed his internship and residency in orthopaedic surgery at the Los Angeles County-USC Medical Center. After residency, Dr. Kasimian obtained further training in complex spinal reconstruction surgery at Cedars-Spinal Medical Center, Institute for Spinal Disorders.
RESEARCH
Dr. Kasimian has presented his research at the International Meeting on Advanced Spine Techniques and has written a chapter on endoscopic thoracic disc herniations in a prominent spine textbook.
PROFESSIONAL MEMBERSHIPS/AFFILIATIONS
He is a member of the American Medical Association, Alpha Omega Alpha Honor Society, North American Spine Society, and the American Academy of Orthopedic Surgeons. In order to better serve his patients, his practice is located in Beverly Hills, Glendale, and Rancho Cucamonga and he maintains privileges in numerous hospitals including Cedars-Sinai Medical Center and Glendale Adventist Medical Center.
