Dr. Barbara J Maccollum is a Internal Medicine,General Physician and Gastroenterologist in Phoenix 85016, PHOENIX and has an experience of 42 years in these fields. Dr. Barbara J Maccollum practices at Arizona Digestive Health PC in Phoenix 85016, PHOENIX, in Scottsdale 85251, Scottsdale AZ and Arizona Digestive Health in Phoenix 85006, PHOENIX. She completed Fellowship from Maricopa Medical Center in 1987,Residency from Maricopa Medical Center in 1987 and Medical School from University of Arizona College of Medicine – Tucson in 1984. She is a member of American College of Physicians,Maricopa Medical Society,Phi Beta Kappa and Phoenix Society of Gastroenterology. Some of the services provided by the doctor are: Anorectal Manometry,Endoscopic Obesity Management,Lactose Intolerance,Chronic Care Management and Intestinal Prolapse etc.