Dr. Richard G. Johnson is a pulmonologist in Glendora, California and is affiliated with multiple hospitals in the area, including Foothill Presbyterian Hospital and San Dimas Community Hospital. He received his medical degree from University of Louisville School of Medicine and has been in practice for more than 20 years. Dr. Richard G. Johnson has expertise in treating hypertension & high blood pressure, anxiety disorders, asthma, among other conditions - see all areas of expertise. Dr. Richard G. Johnson accepts Medicare, Blue Cross - see other insurance plans accepted.