Dr. Marcia Ko is a board-certified internist at Mayo Clinic who specializes in Women’s Health, Rheumatology and Osteoporosis. She serves as Director of Internal Medicine Grand Rounds at Mayo Clinic’s Department of Internal Medicine, Clinical Assistant Professor of Medicine at the Division of Rheumatology & Immunology at the University of Arizona College of Medicine, Clinical Assistant Professor of Family and Community Medicine at the University of Arizona Health Sciences Center, and Assistant Professor of Medicine at the Mayo Clinic College of Medicine and Science.

After completing her undergraduate work Magna Cum Laude at Pomona College in California, Dr. Ko earned her medical degree at the University of Washington School of Medicine. She was honored as Resident of the Year by Maricopa County Hospital in Phoenix Arizona. Dr. Ko completed her residency, including serving as Chief Resident, at the University of Arizona Health Sciences Center and worked as a Rheumatology Fellow at Rosalind Russell Arthritis Research Center within San Francisco General Hospital. Dr. Ko was honored by her peers multiple times among the Best Doctors in America. In 2016, she received the Award of Distinction from Mayo Clinic School of Continuous Professional Development, Mayo Clinic College of Medicine and Science, and in 2012, Dr. Ko received the Top Faculty Award from the Mayo School of Continuous Professional Development, Mayo Clinic College of Medicine and Science, Department of Education Administration.