Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Barbara J Maccollum, MD

Individual provider Gastroenterology Physician · NPI 1215925821

Dr. Barbara J Maccollum, MD is a Gastroenterology in Phoenix, Arizona. Graduated from University of Arizona College of Medicine in 1984, 42 years ago. Practices with Arizona Digestive Health PC, a 133-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Arizona.

Years since qualifying
42
Trained at
University of Arizona College of Medicine
Licensed in
AZ
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1300 N 12th St Ste 613
Phoenix, AZ 85006-2848
Phone: (602) 254-5321
Fax: (602) 254-6582
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 15579 (AZ)

Record details

NPI number1215925821
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 7, 2005
Last updated in NPPESFebruary 17, 2017

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyGASTROENTEROLOGY
Medical schoolUNIVERSITY OF ARIZONA COLLEGE OF MEDICINE
Graduated 1984 (42 years in practice)
Group practice Arizona Digestive Health Pc — 133 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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