Barbara MacCollum, M.D.



2222 E. Highland Ave Ste. 203

Phoenix, AZ 85016

Closing soon at 4 PM

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

Closing soon at 4 PM

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.


  • Good Samaritan Medical Center
  • Gastroenterology Fellowship: Maricopa Medical Center
  • Internal Medicine Residency: Maricopa Medical Center
  • Medical Degree: University of Arizona College of Medicine (Tucson, AZ)
  • Undergraduate Degree: B.S. Arizona State University (Tempe, AZ)

Board Certification

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


  • 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


She’s the best

A.B. Google

I've been a patient of Dr. MacCollum for probably 25 years. She is amazing and I wouldn't go anywhere else!!

J.A. Google

Very pleased with This doctor. She was friendly, warm, professional. 100% satisfied with her treatment and care.

J.W. Google

Dr MacCollum and her staff are very professional and really care about there patients

A.T. Google

The Dr and the workers are really awesome at their jobs

R.B. Google


Total Reviews


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