Dr. Harry Joseph Macdannald, MD is a health care provider primarily located in WALNUT CREEK, CA, with other offices in BRENTWOOD, CA and Walnut Creek, CA (and 2 other locations). He has 52 years of experience. His specialties include Critical Care Respiratory Therapy, Sleep Medicine, Internal Medicine, Pulmonology, Critical Care Medicine. Dr. Macdannald is affiliated with John Muir Medical Center Walnut Creek. He speaks Spanish and English.