Coastal Medical Group

Dr. David Donaldson is a board-certified UCI Health cardiologist who specializes in cardiac electrophysiology. His clinical interests include the treatment of atrial fibrillation, atrial flutter, supraventricular tachycardia (SVT), ventricular tachycardia and premature ventricular contractions (PVC) with medical and ablation therapy. He also manages cardiac rhythm disturbances with pacemakers, defibrillators, cardiac resynchronization therapy and implantable loop recorders. Donaldson earned his medical degree at the Sackler School of Medicine New York State/American Program of Tel Aviv University in New York. He completed a residency in internal medicine and a fellowship in cardiology at North Shore-Long Island Jewish Hospitals in New York, followed by a fellowship in cardiac electrophysiology at Massachusetts General Hospital in Boston. He has published several research papers and given national presentations in electrophysiology.

Children's Hospital of Orange County (CHOC) is dedicated to improving the health and well-being of children by providing world-class pediatric care through a team of experts, cutting-edge research, and specialized facilities designed for young patients. With a focus on comprehensive services that include primary care, specialty care, and mental health, CHOC aims to partner with families to foster healthier futures for children in Orange County. In addition to its clinical services, CHOC is committed to advancing pediatric healthcare through innovative research initiatives and educational programs. The organization is actively involved in various studies and treatment developments, ensuring that children have access to the latest advancements in medical care. Generated from the website

Dr. Sohaib Z. Hashmi is a board-certified UCI Health orthopaedic surgeon who specializes in the management of cervical, thoracic and lumbosacral spine disorders. His clinical interests include degenerative diseases of the cervical, thoracic and lumbar spine, scoliosis, flatback syndrome, disc herniation and replacement, spinal stenosis, infections of the spine, traumatic spine injuries, athletic injuries, complex revision spine surgery and reconstructive spine surgery. He uses both open and minimally invasive surgical approaches and works with varied surgical teams to treat trauma patient from the initial injury through recovery. Hashmi earned his medical degree at the University of Toledo College of Medicine and Life Sciences in Toledo, Ohio. He completed a residency in orthopaedic surgery at Northwestern University's Feinberg School of Medicine and McGaw Medical Center in Chicago, Ill., followed by a fellowship in orthopaedic spine surgery at the University of Maryland Medical Medical Center in Baltimore. He also received fellowship training in orthopaedic trauma at Cedars-Sinai Medical Center in Los Angeles. His current research is focused on orthobiologics and patient-reported outcomes studies in orthopaedic spine and traumatic disorders. He is the author or co-author of more than 40 peer-reviewed publications and book chapters. He has presented his research at national meetings at American Association of Orthopaedic Surgeons, the Orthopaedic Trauma Association, the Orthopaedic Research Society, the Cervical Spine Research Society, the Lumbar Spine Research Society, the North American Spine Society and the Western Orthopaedic Association. Hashmi also speaks Arabic, French, Urdu and Punjabi.