Dr. Barbara J. MacCollum
- Gender: Female
- Experience: 37 years
- Graduated from: University Of Arizona College Of Medicine
- Graduation year: 1984
- Sole propriator: No
- NPI: 1215925821
Dr. Barbara J. MacCollum M.D.
Gastroenterologist
She is located at 1300 North 12th Street Suite 613 in Phoenix, AZ 85006. Can help patients with the following: Barrett's Esophagus, Bleeding Varices, Constipation, Helicobacter Pylori Infection, Internal Bleeding, Ulcerative Colitis. Her National Provider Identifier (NPI) number is 1215925821. Appointment can be made via the phone number (602) 254-5321. She also has a website where you can get more information. The website can be found at https://gialliance.com/team/barbara-maccollum-phoenix-az/. She is affiliated with 3 practices and 1 hospitals.
Conditions treated
Dr. Barbara J. MacCollum, being an gastroenterologist, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. Barbara J. MacCollum.
- Abdominal Pain
- Anemia
- Ascites
- Autoimmune Hepatitis
- Bad Breath
- Barrett's Esophagus
- Bleeding Varices
- Blood in Stool
- Botulism
- Cancer
- Carcinoid Tumor
- Celiac Disease
- Childhood Obesity
- Cirrhosis
- Clostridium Difficile Colitis
- Colitis
- Colonoscopy
- Constipation
- Crohn's Disease
- Diarrhea
- Diverticulosis
- Eosinophilic Esophagitis
- Esophagitis
- Fatty Liver Disease
- Feeding and Swallowing
- Food Allergies
- Gallbladder Pain
- Gastric Bypass Surgery
- Gastritis
- Gastroesophageal Reflux Disease (GERD)
- Gastroparesis
- Heartburn
- Helicobacter Pylori Infection
- Hemorrhoids
- Hepatitis A (HAV)
- Hepatitis B (HBV)
- Hepatitis C (HCV)
- Indigestion
- Inflammatory Bowel Disease (IBD)
- Internal Bleeding
- Intussusception
- Irritable Bowel Syndrome (IBS)
- Lactose Intolerance
- Leaky Gut Syndrome
- Liver Disease
- Nausea and Vomiting
- Pancreas Divisum
- Pancreatic Cancer
- Pancreatic Cysts
- Pancreatitis
- Peptic Ulcer
- Portal Hypertension
- Primary Biliary Cirrhosis (PBC)
- Primary Sclerosing Cholangitis (PSC)
- Stomach Cancer
- Swallowing Disorders
- Ulcerative Colitis
Procedures Performed by Dr. Barbara J. MacCollum
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Barbara J. MacCollum as in-network for the following 2026 plans.
Health plans
Ambetter from Arizona Complete Health
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 16 plans from Ambetter from Arizona Complete Health
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Choice Bronze HSA | HMO · Expanded Bronze | Preferred | Not accepting new patients |
| Choice Bronze HSA + Vision + Adult Dental | HMO · Expanded Bronze | Preferred | Not accepting new patients |
| Complete Gold | HMO · Gold | Preferred | Not accepting new patients |
| Complete Gold + Vision + Adult Dental | HMO · Gold | Preferred | Not accepting new patients |
| Complete Silver | HMO · Silver | Preferred | Not accepting new patients |
| Complete Silver + Vision + Adult Dental | HMO · Silver | Preferred | Not accepting new patients |
| Elite Gold | HMO · Gold | Preferred | Not accepting new patients |
| Elite Gold + Vision + Adult Dental | HMO · Gold | Preferred | Not accepting new patients |
| Everyday Bronze | HMO · Expanded Bronze | Preferred | Not accepting new patients |
| Everyday Bronze + Vision + Adult Dental | HMO · Expanded Bronze | Preferred | Not accepting new patients |
| Standard Expanded Bronze | HMO · Expanded Bronze | Preferred | Not accepting new patients |
| Standard Expanded Bronze + Vision + Adult Dental | HMO · Expanded Bronze | Preferred | Not accepting new patients |
| Standard Gold | HMO · Gold | Preferred | Not accepting new patients |
| Standard Gold + Vision + Adult Dental | HMO · Gold | Preferred | Not accepting new patients |
| Standard Silver | HMO · Silver | Preferred | Not accepting new patients |
| Standard Silver + Vision + Adult Dental | HMO · Silver | Preferred | Not accepting new patients |
Blue Cross Blue Shield of Arizona
Network data as of Jun 29, 2026, as reported by the insurer.
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| AZ Blue ACA StandardHealth Silver with Health Choice (7 plan variants) | HMO · Silver | Acahealthchoice | Accepting new patients |
Cigna HealthCare of Arizona, Inc
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 16 plans from Cigna HealthCare of Arizona, Inc
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Connect Bronze 7400 Indiv Med Deductible | HMO · Bronze | Preferred | Accepting new patients |
| Connect Bronze 9500 Indiv Med Deductible | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Connect Bronze CMS Standard | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Connect Bronze SoAZ 4000 Indiv Med Deductible | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Connect Bronze SoAZ 6300 Indiv Med Deductible | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Connect Bronze SoAZ CMS Standard | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Connect Gold 2500 Indiv Med Deductible | HMO · Gold | Preferred | Accepting new patients |
| Connect Gold CMS Standard | HMO · Gold | Preferred | Accepting new patients |
| Connect Gold SoAZ 2500 Indiv Med Deductible | HMO · Gold | Preferred | Accepting new patients |
| Connect Gold SoAZ CMS Standard | HMO · Gold | Preferred | Accepting new patients |
| Connect Silver 4000 Indiv Med Deductible | HMO · Silver | Preferred | Accepting new patients |
| Connect Silver 6100 Indiv Med Deductible | HMO · Silver | Preferred | Accepting new patients |
| Connect Silver CMS Standard | HMO · Silver | Preferred | Accepting new patients |
| Connect Silver SoAZ 4000 Indiv Med Deductible | HMO · Silver | Preferred | Accepting new patients |
| Connect Silver SoAZ 6200 Indiv Med Deductible | HMO · Silver | Preferred | Accepting new patients |
| Connect Silver SoAZ CMS Standard | HMO · Silver | Preferred | Accepting new patients |
UnitedHealthcare
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 14 plans from UnitedHealthcare
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| UHC Bronze Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care) | HMO · Expanded Bronze | Non Preferred | Accepting new patients |
| UHC Bronze Copay Focus+ $0 Indiv Med Ded ($0 Virtual Urgent Care, Dental + Vision) | HMO · Expanded Bronze | Non Preferred | Accepting new patients |
| UHC Bronze Essential ($0 Virtual Urgent Care) | HMO · Bronze | Non Preferred | Accepting new patients |
| UHC Bronze Standard | HMO · Expanded Bronze | Non Preferred | Accepting new patients |
| UHC Bronze Standard+ (Dental + Vision) | HMO · Expanded Bronze | Non Preferred | Accepting new patients |
| UHC Gold Advantage ($0 Virtual Urgent Care, $3 Tier 2 Rx) | HMO · Gold | Non Preferred | Accepting new patients |
| UHC Gold Advantage+ ($0 Virtual Urgent Care, $3 Tier 2 Rx, Dental + Vision) | HMO · Gold | Non Preferred | Accepting new patients |
| UHC Gold Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care, $3 Tier 2 Rx) | HMO · Gold | Non Preferred | Accepting new patients |
| UHC Gold Standard | HMO · Gold | Non Preferred | Accepting new patients |
| UHC Silver Advantage ($0 Virtual Urgent Care, $8 Tier 2 Rx) | HMO · Silver | Non Preferred | Accepting new patients |
| UHC Silver Advantage+ ($0 Virtual Urgent Care, $8 Tier 2 Rx, Dental + Vision) | HMO · Silver | Non Preferred | Accepting new patients |
| UHC Silver Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care) | HMO · Silver | Non Preferred | Accepting new patients |
| UHC Silver Copay Focus+ $0 Indiv Med Ded ($0 Virtual Urgent Care, Dental + Vision) | HMO · Silver | Non Preferred | Accepting new patients |
| UHC Silver Standard | HMO · Silver | Non Preferred | Accepting new patients |
This covers ACA Marketplace plans only, as reported by each insurer. It does not include employer, Medicare Advantage, or state-run exchange plans, and a plan missing from this list does not mean Dr. Barbara J. MacCollum is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.
Medicare Enrollment
Dr. Barbara J. MacCollum is enrolled to bill Medicare as a Practitioner - Gastroenterology (also registered under: Practitioner - Internal Medicine) .
Bills through: Arizona Digestive Health Pc
Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.
Payments received
Drug payment
| UCB | $116 |
| Salix Pharmaceuticals | $65 |
Other
| Food and Beverage | $181 |
Studies
UNIVERSITY OF ARIZONA COLLEGE OF MEDICINE
Graduated in 1984Other ways to reach out
- Website: https://gialliance.com/team/barbara-maccollum-phoenix-az/
Affiliated practices
Looking for more Gastroenterologists?
Out of the 13 gastroenterologists in this region, here are 10 randomly selected ones for you to explore.
- Gender: Male
- Address: 1441 North 12th Street Phoenix, 85006, AZ
- Gender: Female
- Address: 10401 West Thunderbird Boulevard Sun City, 85351, AZ
- Gender: Male
- Address: Suite 603 1300 North 12th Street Phoenix, 85006, AZ
- Gender: Male
- Address: Ste 613 1300 N. 12th St Phoenix, 85006, AZ
- Gender: Male
- Address: 2nd Floor 1400 North 12th Street Phoenix, 85006, AZ
- Gender: Female
- Address: Ste 240 4060 Fourth Avenue San Diego, 92103, CA
- Gender: Female
- Address: Ste 613 1300 N. 12th St Phoenix, 85006, AZ
- Gender: Male
- Address: 127 East Main Street Suite D Payson, 85541, AZ
- Gender: Male
- Address: 925 East Mcdowell Road Phoenix, 85006, AZ
Questions & Answers
Where can you meet with Dr. Barbara J. MacCollum?
Dr. Barbara J. MacCollum's office is located at 1300 North 12th Street Suite 613 in Phoenix, AZ 85006.
Has Dr. Barbara J. MacCollum affiliation with hospitals?
Dr. Barbara J. MacCollum is affiliated with BANNER - UNIVERSITY MEDICAL CENTER PHOENIX.
What conditions does Dr. Barbara J. MacCollum treat?
Dr. Barbara J. MacCollum provides treatment for Barrett's Esophagus, Bleeding Varices, Constipation, Helicobacter Pylori Infection, Internal Bleeding, Ulcerative Colitis. For the full list see this list.
Does Dr. Barbara J. MacCollum have affiliation with practices?
Dr. Barbara J. MacCollum is affiliated with Banner -- University Medical Center Phoenix. For the full list of practices see this list.
Does Dr. Barbara J. MacCollum accept patients with Ambetter from Arizona Complete Health?
Yes, Dr. Barbara J. MacCollum is listed in-network for Ambetter from Arizona Complete Health through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.