The Medical Opinion Marketplace

Dr. Sergei V. Kashirny is a neurologist specializing in the clinical evaluation and diagnosis of epilepsy, with additional expertise in a wide range of neurological conditions. His practice includes care for patients with migraine, stroke, multiple sclerosis, Parkinson’s disease, dementia, and neuromuscular (nerve and muscle) disorders. He evaluates individuals with seizures and related concerns as part of the Epilepsy Monitoring Unit (EMU) at St. Luke’s Boise, supporting comprehensive assessment and individualized treatment planning. Dr. Kashirny completed medical school and postgraduate research training at Vinnitsa Medical University in Ukraine. He then pursued advanced neurology training in the United States, completing a neurology residency at Louisiana State University Health Science Center and a fellowship at Louisiana State University Medical Center. He is board certified in Neurology and Epilepsy and serves as Medical Director of St. Luke’s Epilepsy Center – Idaho, an NAEC-listed adult epilepsy center (Level 3). Dr. Kashirny is also recognized with professional fellow designations FAAN and FAES. He is licensed to practice in Idaho and Montana.

Lee Kornfield, MD, is a board-certified internal medicine physician in Boise, Idaho. He earned his medical degree from Wayne State University School of Medicine and completed residency training in internal medicine at Beaumont in Royal Oak. Dr. Kornfield provides comprehensive adult primary and preventive care, with an emphasis on accurate diagnosis, chronic disease management, and long-term health maintenance. His clinical approach integrates evidence-based medicine with clear communication and close follow-up, helping patients navigate complex medical conditions and treatment decisions. He is affiliated with St. Luke's Regional Medical Center, supporting continuity of care across outpatient and inpatient settings when needed. With decades of clinical experience, Dr. Kornfield is known for a steady, thorough, and patient-centered style, partnering with individuals to address both immediate concerns and ongoing wellness goals. He is licensed to practice medicine in Idaho and has previously held licensure in Michigan.

Robert T. Wechsler, MD, PhD, FAAN, is a clinical neurophysiology physician specializing in the diagnosis and treatment of epilepsy, nonepileptic seizures, and convulsions. He is the owner of Consultants in Epilepsy and Neurology, PLLC, and serves as Medical Director of the Epilepsy Monitoring Unit (EMU) at St. Luke’s Boise. Dr. Wechsler is board certified in Neurology, Clinical Neurophysiology, and Epilepsy. Dr. Wechsler earned his medical degree from Finch University of Health Sciences/The Chicago Medical School and also completed a PhD in neuroscience. He completed his neurology residency training at Barrow Neurological Institute and pursued fellowship training at Stanford Hospital and Clinics. In clinical practice, Dr. Wechsler focuses on comprehensive seizure evaluation and management, including the use of neurophysiologic testing and EMU-based diagnostic monitoring to help clarify seizure type and guide individualized treatment strategies. He is affiliated with St. Luke’s Regional Medical Center and St. Luke’s Nampa Medical Center, and works closely with multidisciplinary teams to support patients and families living with seizure disorders.

Ronald M. Kristensen, MD, is an orthopaedic surgeon specializing in hip and knee replacement and the treatment of lower-extremity conditions. He practices with St. Luke’s Clinic – Orthopedics (Hip & Knee) in Boise, where he focuses on total joint reconstruction, including complex arthritic and degenerative joint problems. Dr. Kristensen earned his medical degree from the David Geffen School of Medicine at UCLA. He completed an orthopaedic surgery residency at the University of Washington School of Medicine and pursued fellowship training at Swedish Medical Center in Seattle with an emphasis on lower-extremity care. He is board certified in orthopedic surgery. A leader in joint-replacement programs, Dr. Kristensen is a founder of the St. Luke’s Joint Center and has been described as co-founder and Director of St. Luke’s Total Joint Service. He has also served as Chief of the Orthopedic Department at St. Luke’s Medical Center and participated on multiple health system committees. His clinical interests include computer-assisted approaches and robotic-assisted technology for hip and knee replacement, along with care pathways designed to support safe, efficient recovery, including same-day discharge when appropriate. Dr. Kristensen is a Fellow of the American Academy of Orthopaedic Surgeons and an active member of the American Association of Hip and Knee Surgeons.

Cody D. Heiner, MD, is an occupational medicine physician with St. Luke’s Health System, providing care through St. Luke’s Clinic – Occupational Health and supporting employer-focused health services across the region. He serves as Site Medical Director for St. Luke’s Occupational Health and partners with organizations to help maintain safe, healthy workplaces. Dr. Heiner is board certified in Occupational and Environmental Medicine by the American Board of Preventive Medicine. He is also a Certified Medical Review Officer (MRO), offering expertise in drug and alcohol testing programs and related workplace requirements. His clinical focus includes evaluation and treatment of work-related injuries, return-to-work planning, pre-employment and fitness-for-duty examinations, impairment ratings, and immunizations. He works closely with employees, employers, and claims stakeholders to support timely recovery, appropriate work restrictions, and coordinated care. Dr. Heiner earned his medical degree from the University of Iowa Carver College of Medicine, completed residency training at University of Iowa Hospitals and Clinics, and holds a Master of Public Health from the University of Iowa College of Public Health. He speaks English and Spanish and serves on the Idaho Industrial Commission Advisory Committee.

Jeralyn J. Jones, M.D., is a board-certified psychiatrist who provides comprehensive psychiatric care with a strong commitment to education and clinical training. She earned her medical degree from the University of Texas Southwestern Medical School and completed her psychiatry residency at California Pacific Medical Center/Pacific Presbyterian Medical Center. Dr. Jones has played a significant role in advancing psychiatric education in Idaho. She helped launch the Idaho Advanced Clinician Track of the University of Washington Psychiatry Residency and has been actively involved in training both family medicine and psychiatry residents. In addition to her clinical work, she serves as an outpatient site supervisor, supporting resident development through teaching and clinical supervision. Her professional interests include psychiatric education and analytical psychology, reflecting a dedication to thoughtful, evidence-based care as well as the broader understanding of human behavior and emotional well-being. Dr. Jones has been recognized for her contributions to residency education in Idaho, including receiving the Ada County Medical Society’s Physician of the Year award for her work in strengthening psychiatric training in the region.

Nathan L. Grimm, MD, is a sports medicine physician specializing in orthopaedic surgery. An Idaho native, Dr. Grimm provides comprehensive care for athletes and active individuals, with clinical interests that include hip arthroscopy, open and arthroscopic shoulder and knee surgery, and shoulder replacement (arthroplasty). He serves as a Team Physician for Boise State University Athletics through the Idaho Sports Medicine Institute. Dr. Grimm earned his undergraduate degree from Boise State University and completed medical school at the University of Utah School of Medicine. During his training, he completed a research fellowship at Vanderbilt University focused on cartilage disorders, including osteochondritis dissecans of the knee. He then completed orthopaedic surgery residency training at Duke University Hospital, followed by a pediatric and adult sports medicine fellowship at UConn Sports Medicine and Elite Sports Medicine at Connecticut Children’s. Committed to advanced, evidence-based techniques, Dr. Grimm also pursued additional shoulder-focused training in Nice, France, studying arthroscopy and arthroplasty techniques with Dr. Pascal Boileau. He emphasizes individualized treatment plans designed to relieve pain, restore function, and help patients return safely to sport and daily activity.

Dr. Edwin B. Rabin is a chiropractor with extensive clinical experience and a professional focus on office ergonomics and workplace musculoskeletal risk reduction. With approximately 30 years in chiropractic practice, he brings a practical, prevention-oriented perspective to helping organizations address common sources of discomfort and strain associated with desk and computer-based work. Dr. Rabin provides on-site workstation and office ergonomic assessments for employers, delivering clear findings and risk-mitigation recommendations aimed at improving employee comfort, supporting productivity, and reducing ergonomic risk factors. He also has more than 20 years of experience reviewing musculoskeletal disorder workers’ compensation claims from the insurer side, informing his understanding of how workplace exposures and job demands can contribute to injury patterns. His training includes Certified Ergonomic Assessment Specialist I and Advanced Office Ergonomic Assessment Specialist credentials through The Back School, as well as OSHA 10-Hour General Industry certification. Dr. Rabin is licensed as a chiropractor in Florida, New York, Texas, and Illinois, and is an authorized provider with the New York State Workers’ Compensation Board. He completed education at Life University, where he was recognized as Valedictorian.

Robert H. Friedman, MD, is a Physical Medicine & Rehabilitation physician who focuses on helping patients improve function, mobility, and quality of life through comprehensive rehabilitation care. He practices with Idaho Physical Medicine & Rehabilitation, where he collaborates with patients, families, and therapy teams to develop individualized plans that support recovery and long-term independence. Dr. Friedman earned his medical degree from the University of Michigan Medical School. He completed both an internship and a residency in Physical Medicine & Rehabilitation at the University of Michigan, building a strong foundation in the evaluation and management of neurologic and musculoskeletal conditions. His clinical interests include rehabilitation care for complex, function-limiting diagnoses such as amyotrophic lateral sclerosis (ALS), multiple sclerosis (MS), spinal cord injury, amputations, and muscular dystrophy. Within his practice, he also provides pediatric rehabilitation services. In addition to clinical care, Dr. Friedman has held leadership responsibilities in rehabilitation hospital settings and has contributed to the community through long-standing volunteer service as a camp physician for the Muscular Dystrophy Association. Dr. Friedman is board certified in Physical Medicine & Rehabilitation.

Dr. Vivek (Vic) Kadyan is a physician specializing in Physical Medicine and Rehabilitation, providing comprehensive, non-surgical care focused on restoring function, reducing pain, and improving quality of life. He practices with St. Luke’s Clinic – Physical Medicine & Rehabilitation and also sees patients through St. Luke’s Clinic – Spine Care in Meridian. Board certified in Physical Medicine and Rehabilitation, Dr. Kadyan has a clinical focus on spine wellness, helping patients address spine-related conditions through individualized rehabilitation strategies and coordinated care. Dr. Kadyan earned his medical degree from the University of Medicine and Dentistry of New Jersey and completed residency training in Physical Medicine & Rehabilitation at The Ohio State University Medical Center. His professional interests include evidence-based rehabilitation, and he has contributed as a co-author to peer-reviewed publications in rehabilitation medicine, including topics such as traumatic brain injury rehabilitation, spinal cord injury, and management of severe spasticity. In addition to his clinical work, Dr. Kadyan serves as President of St. Luke’s Clinic, reflecting a commitment to high-quality, patient-centered care and thoughtful leadership across the health system.