Occupational Medicine

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Dr. Christopher Scott Granda, D.O., M.S., M.P.H. is a board-certified physician in both Occupational Medicine and General Preventive Medicine & Public Health, with extensive experience in military, academic, and civilian medical systems. He currently serves as an Associate Physician Diplomate at the University of California, San Diego’s Center for Occupational and Environmental Medicine, where he practices full-scope occupational medicine including California Workers’ Compensation evaluations, disability rating, employee health, and fit-for-duty examinations​. Dr. Granda earned his Doctor of Osteopathic Medicine from...
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Dr. McNicholas is Assistant Professor of Medicine in the Division of Occupational and Environmental Medicine.  He completed medical school at the Lake Erie College of Osteopathic Medicine and residencies in Internal Medicine at the Naval Medical Center San Diego and in Occupational and Environmental Medicine at UCSF.  He is a US Navy Veteran who served as the sole Naval Flight Surgeon at Diego Garcia, British Indian Ocean Territory. Following training, Dr. McNicholas served as Staff Internist at the Naval Aerospace...
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Marcia Isakari, M.D., M.P.H., FACOEM is a nationally recognized expert in Occupational and Environmental Medicine with over two decades of experience managing complex worker’s compensation cases, occupational injuries, and hazardous exposures. She is a Fellow of the American College of Occupational and Environmental Medicine (ACOEM), a distinction honoring her leadership, education, and commitment to the field. Fluent in Spanish and Portuguese and conversant in Japanese, Dr. Isakari brings a culturally responsive approach to healthcare, enhancing access and outcomes for diverse...
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Dr. Steven Madhavan, M.D., M.P.H., is a highly accomplished physician specializing in occupational and environmental medicine, preventive medicine, and family medicine. He holds board certifications in Occupational and Environmental Medicine as well as Family Practice. Dr. Madhavan completed his fellowship in Occupational and Environmental Medicine at the Johns Hopkins University Bloomberg School of Public Health while simultaneously earning a Master’s degree in Public Health. He completed his first residency in Family Medicine at Genesys Regional Medical Center and earned his...