Barbara MacCollum, M.D.



2222 E. Highland Ave Ste. 203

Phoenix, AZ 85016

Closed. Opens Thur at 8 AM

Quick Facts

  • Virtual Telemedicine Visits Available, Call For Details
  • Board Certified Gastroenterologist
  • Currently Accepting New Patients
  • Most Insurance Plans Accepted
  • Performs Colonoscopies

Arizona Digestive Health - Phoenix, AZ - Highland

Gastroenterology in Phoenix, AZ

Arizona Digestive Health - Phoenix, AZ - Highland

2222 E. Highland Ave

Ste. 203

Phoenix, AZ 85016

Closed. Opens Thur at 8 AM

Request an Appointment

If you are experiencing a medical emergency, please call 9-1-1. This form is intended for non-urgent appointment requests only. Non-emergency requests will be responded to within 24-48 hours.

About Barbara J. MacCollum, M.D.


  • B.S. Arizona State University – Tempe, AZ
  • M.D. University of Arizona College of Medicine – Tucson, AZ
  • Internal Medicine Residency – Maricopa Medical Center
  • Gastroenterology Fellowship – Maricopa Medical Center
  • Good Samaritan Medical Center

Board Certification

  • American Board of Internal Medicine – Internal Medicine
  • American Board of Internal Medicine – Gastroenterology & Hepatology

Associations/ Memberships

  • American Gastroenterological Association
  • American College of Physicians
  • American Society of Gastrointestinal Endoscopy
  • Maricopa Medical Society
  • Phi Beta Kappa
  • Phoenix Society of Gastroenterology

Awards or Distinctions

  • Phoenix Magazine “Top Doc” 2010 -2014

Hospital Affiliations

  • Banner University Medical Center


Professional, caring, courteous.

D.G. Google

PJ and Dr McCollom are very friendly and make sure I understand everything. It is always a pleasant experience.

G.W. Google

Very pleased. Colonoscopy was done quickly and efficiently with no pain. No after problems.

J.J. Google

Dr. MacCollum was very approachable and easy to talk to and I felt very confident that she would take excellent care of me. Her staff are friendly and helpful.

M.M. Google

Wonderful, Understanding Doctor MacCollum & her MA, PJ! Highly Recommend!

D.S. Google


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