Dr. Barbara Maccollum, M.D.

With 21 years of practice, Dr. Barbara Maccollum is an established gastroenterology provider, M.D., after earning their medical degree at University Of Arizona College Of Medicine in 1984. Dr. currently practices across 3 facilities, including Phoenix Medical Psychiatric Hospital, Llc in Phoenix, Arizona. Their National Provider Identifier (NPI) is 1215925821, and the profile below combines data from CMS NPPES, Medicare billing records, the HHS OIG exclusion list, and — where available — CMS Open Payments, Medicare Utilization, and Part D prescriber summaries.

Dr. Barbara Maccollum's practice is located in ZIP 85006 (Phoenix, Arizona), which has an overall CartoChrome Healthcare Access Score of 59/100 (Moderate Access). Access to care in this area is moderate — most services are reachable but with meaningful variability by specialty.

CMS Medicare data shows Dr. Barbara Maccollum as a lower-volume gastroenterology provider, treating approximately 462 Medicare beneficiaries and delivering 1K services in the most recent reporting year. That panel size indicates a smaller, more selective practice pattern.

Under the Physician Payments Sunshine Act, CMS reports that Dr. Barbara Maccollum received $265 in industry payments in 2023. Payments at this scale are typical for most practicing physicians and generally reflect routine educational activities.