The Medical Opinion Marketplace

Dr. Kevin Badii is an orthodontist specializing in Orthodontics and Dentofacial Orthopedics. He earned his DDS from the University of Southern California and completed advanced orthodontic training at the University of Connecticut, where he received an orthodontic certificate and a Master of Dental Science degree. Dr. Badii is a board-certified orthodontist and a Diplomate of the American Board of Orthodontics, reflecting a commitment to high standards in diagnosis, treatment planning, and clinical outcomes. In addition to his clinical work, Dr. Badii has been recognized for professional leadership as the owner and operator of OC Smile Dental & Orthodontics, a multi-location, multispecialty dental organization in Orange County, California. He maintains active involvement in organized dentistry as a member of the American Association of Orthodontists and participates in other professional societies at the state and local level. Dr. Badii has also contributed to the orthodontic literature as a co-author of a peer-reviewed case report published in the American Journal of Orthodontics and Dentofacial Orthopedics. His practice focuses on helping patients achieve healthy, well-aligned smiles through comprehensive orthodontic care.

Shveta Jain, MD, is an anesthesiologist with Southern California Permanente Medical Group (Kaiser Permanente Southern California). She practices within the Anesthesiology Department at Kaiser Permanente Riverside Medical Center, where she helps patients receive safe, effective anesthesia care for a wide range of surgical and procedural needs. Dr. Jain completed an internship in Internal Medicine at Kaiser Permanente Los Angeles Medical Center, followed by residency training in Anesthesiology at LAC-USC Medical Center. She further advanced her expertise with fellowship training in Pain Management at LAC-USC Medical Center. Dr. Jain is board certified in anesthesiology by the American Board of Anesthesiology and holds board certification in pain medicine through the American Board of Pain Medicine. Her clinical background supports a comprehensive approach to perioperative care, integrating careful evaluation, individualized anesthetic planning, and attention to comfort and recovery. She is committed to working closely with surgical teams and patients to support safety, clear communication, and high-quality outcomes across the continuum of care.

Jonathan R. Hoops, DC, is a sports physician chiropractor providing chiropractic care in Fullerton, California. As a Doctor of Chiropractic, Dr. Hoops focuses on helping active individuals and athletes address musculoskeletal concerns that can affect performance and daily function. His approach emphasizes careful evaluation of movement and joint mechanics, with treatment plans tailored to each patient’s goals, activity demands, and recovery timeline. Dr. Hoops delivers chiropractic services aimed at improving mobility, supporting spinal and extremity function, and promoting resilience for sport and everyday activities. He works with patients seeking care for common issues such as overuse injuries, strains and sprains, and mechanical back or neck discomfort, as well as those looking to optimize movement and prevent recurrence. As the owner of his practice, Dr. Hoops is able to provide individualized attention and continuity of care, guiding patients through each phase of improvement—from initial assessment to ongoing maintenance strategies. He is licensed to practice chiropractic in California and is committed to professional, patient-centered care focused on safe, effective outcomes.

Donna E. Ciano, DPT, is a California-licensed physical therapist who provides patient-centered rehabilitation services for individuals seeking to restore function, reduce pain, and improve overall mobility. As a Doctor of Physical Therapy, Dr. Ciano emphasizes individualized care plans grounded in clinical reasoning, with treatment approaches tailored to each patient’s goals, activity level, and daily demands. Her practice focuses on comprehensive evaluation and therapeutic intervention to support recovery from injury, manage movement limitations, and enhance strength, flexibility, balance, and coordination. Dr. Ciano integrates education and active therapeutic strategies to help patients better understand their condition, build confidence in movement, and develop practical skills for long-term self-management. Known for a collaborative and supportive style, she works closely with patients to track progress, adjust treatment plans as needs evolve, and promote safe return to work, sport, and everyday activities. Dr. Ciano is committed to clear communication, compassionate care, and evidence-informed rehabilitation that prioritizes both short-term improvement and sustained functional outcomes.

James F. Lineback, MD, is a physician specializing in pulmonary disease, with board certification in Internal Medicine and Pulmonary Disease. He is a Fellow of the American College of Chest Physicians (FCCP) and brings decades of clinical experience caring for patients with complex respiratory and multisystem medical conditions. Dr. Lineback earned his medical degree from the University of Illinois School of Medicine after completing a Bachelor of Science at Illinois State University. He also holds a Master of Science degree, as reported in public professional listings. In addition to his clinical work, he has served in academic medicine, including as a lecturer for the UC Riverside School of Medicine, where he has taught coursework focused on pathophysiology and mechanisms of disease. He has also been listed previously as an Associate Clinical Professor of Medicine at the David Geffen School of Medicine at UCLA. His professional interests include pulmonary and internal medicine, with additional publicly described work in preventive cardiology and longevity-focused care emphasizing early detection and risk reduction. Dr. Lineback has also provided medical-legal consulting services as an expert witness, including evaluations involving causation and life-expectancy considerations in complex injury cases.

Tahseen Mozaffar, MD, is a board-certified neurologist with subspecialty expertise in neuromuscular medicine. He is a Professor in the Department of Neurology at the UC Irvine School of Medicine, with additional appointments in Pathology & Laboratory Medicine and Orthopaedic Surgery. Dr. Mozaffar serves as Director of the UCI Health ALS & Neuromuscular Center, an MDA-designated center, and Director of the Division of Neuromuscular Diseases. His clinical practice focuses on the diagnosis and management of complex neuromuscular disorders, including ALS, myasthenia gravis, inflammatory myopathies, Pompe disease, and muscular dystrophies. He also has interests in inclusion body myositis, autoimmune and antibody-associated myositis, neurogenetic disorders, and electrodiagnostic medicine. Dr. Mozaffar earned his medical degree from Aga Khan University in Karachi, Pakistan. He completed neurology residency training at Barnes-Jewish/Barnes Hospital in St. Louis and pursued fellowship training in neuromuscular disorders at Washington University in St. Louis. In addition to patient care, Dr. Mozaffar is involved in clinical and translational research focused on rare and ultra-rare neuromuscular diseases, including natural history studies and clinical trials. He also contributes to professional service as a member of The Myositis Association Medical Advisory Board and holds leadership in research oversight as Chair of Institutional Review Board A at UC Irvine.

Dr. Catherine A. Diamond, MD, MPH, is an infectious disease physician at UCI Medical Center and a Professor in the Division of Infectious Diseases in the Department of Medicine at UC Irvine School of Medicine. She is board certified in infectious disease and brings a public health perspective to the prevention, diagnosis, and treatment of complex infections. Dr. Diamond’s clinical interests include comprehensive infectious diseases care, with particular focus on HIV/AIDS and sexually transmitted infections. She partners with patients and multidisciplinary teams to deliver evidence-based, compassionate care tailored to each individual’s needs. In addition to her clinical work, Dr. Diamond holds an academic appointment in epidemiology and is affiliated as a researcher with UC Irvine’s Genetic Epidemiology Research Institute. Her scholarly interests include HIV/AIDS, herpesviruses, Kaposi’s sarcoma, and infectious disease issues affecting American Indian/Native American health. She has authored peer-reviewed publications in leading infectious disease journals. Dr. Diamond has been recognized for professional excellence, including receipt of the John Young Award of Excellence from the California Association of Regional Cancer Registries.

Hamid R. Djalilian, MD, is an otology and neurotology physician specializing in disorders of the ear, hearing, and balance. He is a Professor in the Department of Otolaryngology at the UC Irvine School of Medicine and holds joint academic appointments with Neurosurgery and Biomedical Engineering. Dr. Djalilian earned his medical degree from the University of Minnesota and completed advanced fellowship training in otology/neurotology and skull base surgery, including training at the Minnesota Ear, Head & Neck Clinic and the University of Minnesota. He is board-certified. Clinically, Dr. Djalilian cares for patients with hearing loss, dizziness and balance disorders, tinnitus, and facial nerve disorders, and he performs complex ear and skull base procedures. His research interests include dizziness and imbalance, hearing loss, tinnitus, and medical devices, with a focus on translating innovations into clinical care. He has also served as a principal investigator on clinical research related to Ménière’s disease treatments. Previously, Dr. Djalilian held faculty appointments at the University of Illinois, Cedars-Sinai Medical Center, and UCLA. He is the inaugural holder of the Muzzy Family Endowed Chair in Hearing and Balance at UC Irvine.

Angud Mehdi, MD, is a neurologist with advanced training in neurocritical care, providing expert evaluation and management of complex neurologic conditions in both acute and outpatient settings. He is board certified in Neurology by the American Board of Psychiatry and Neurology (ABPN). Dr. Mehdi completed his medical degree at Tufts University School of Medicine, followed by residency training in Neurology at Harbor–UCLA Medical Center. He then pursued fellowship training in Neurocritical Care at Cedars-Sinai Medical Center, developing specialized expertise in the care of patients with life-threatening neurologic illness. With a clinical focus that includes critical care neurology as well as general neurology, Dr. Mehdi is committed to evidence-based, patient-centered care and clear communication with patients and families. He approaches each case with careful diagnostic reasoning and an emphasis on coordination across multidisciplinary teams when needed. Dr. Mehdi is affiliated with USC Arcadia Hospital. He speaks English.

Jessica Chuang, MD, is a physician with training in an organized graduate medical education program and a clinical focus in Preventive Medicine, with emphasis in Occupational Medicine. Her work centers on protecting and promoting the health of working populations through evidence-based prevention strategies and systems-level approaches to safety and wellness. Dr. Chuang holds an academic appointment as an Assistant Clinical Professor at the University of California, San Francisco. She serves in leadership roles supporting employee and occupational health, including Chief, Employee Health at Zuckerberg San Francisco General Hospital and Health Center, where she helps guide programs that address workplace health risks, fitness for duty, and safe return-to-work planning. Her professional interests also include education and outcomes in Occupational and Environmental Medicine resident training, with a focus on improving how clinicians are prepared to deliver high-quality preventive and occupational health care. Dr. Chuang earned her medical degree from the University of California, San Diego. She is licensed to practice medicine in California.