Barbara J. MacCollum, M.D.



1410 East McDowell Road

Phoenix, AZ 85006

By appointment only.

Quick Facts

  • Colon Cancer Screenings
  • IBD, Crohn’s Disease, Ulcerative Colitis
  • Acid Reflux/Heartburn
  • Expert Endoscopy and Colonoscopy
  • Currently Accepting New Patients
  • Most Insurance Plans Accepted

Arizona Endoscopy Center

Gastroenterology in Phoenix, AZ

Arizona Endoscopy Center

1410 East McDowell Road

Phoenix, AZ 85006

By appointment only.


Phoenix – Biltmore

Gastroenterology in Phoenix, AZ

Phoenix – Biltmore

2222 E. Highland Ave

Ste. 203

Phoenix, AZ 85016

Closed. Opens Mon at 8:30AM

Request 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


Very friendly all around front desk, assistant and doctor.

J.B. Google

Excellent Doctor, Highly Recommend!

P.A. Google

What I liked about the doctor was that she actively listened to allI had to say, didn’t dismiss any of my concerns. She was very friendly very easy to talk to, and very professional.

J.F. Google

Good experience

J.Y. Google

Dr MacCollum is amazing! She listens and is compassionate and understand. She doesn’t put a “band aid” on your concerns. Great doctor! Friendly staff!

K.C. Google


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