John Edward Heffner

Dr. John Edward Heffner, M.D. is a pulmonary disease expert witness from Oregon. He also has expertise in internal medicine, critical care medicine, pleural disease and general pulmonary medicine. He has an active medical practitioner’s license from the state of California and is certified by the American Board of Internal Medicine. He completed his undergraduate education in 1970 from the University of Southern California at Los Angeles, California. He then completed his medical degree in 1974 from the University of California, Los Angeles at Los Angeles, California. He then completed his internship in 1975 and his residency in 1977 from the University of Colorado Health Sciences Centre at Denver, Colorado. He also served as the Chief Medical Resident from 1977 to 1978 at the same institution. He further completed his fellowship in Pulmonary Medicine in 1982 from the University of Colorado Health Sciences Centre at Denver, Colorado. Currently, Dr. Heffner is a Pulmonologist at Providence Portland Medical Centre. Formerly, he served as the Adjunct Professor of Medicine at the Oregon Health and Sciences University at Portland, Oregon. He also maintains his private practice at Portland, Oregon. He has numerous publications to his credit. He is also an adjunct professor of medicine at the Oregon Health and Sciences University. He has numerous publications to his credit.