Patient satisfaction ratings and reviews are based on personal opinions. Before you choose any doctor you should take into account their background, training, specialized experience AND their patient satisfaction to ensure they are the right fit for you.
Dr. Ronald Johnson Sr, MD is an endocrinology, diabetes & metabolism doctor who practices in Columbia, SC. He is 68 years old and has been practicing for 42 years. Dr. Johnson Sr is affiliated with Palmetto Health - Palmetto Health Richland and Providence Health.