DR. BARBARA J MACCOLLUM M.D.
NPI 1215925821
Internal Medicine - Gastroenterology in Phoenix, AZ

Active since October 07, 2005PECOS EnrolledAccepts Medicare Assignment
75/100
CMS Quality Rating
1300 N 12TH ST, SUITE 613, PHOENIX, AZ 85006(602) 254-5321(602) 254-6582 Get Directions Write a Review

NPPES record last updated: February 17, 2017. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About Dr. Barbara J Maccollum M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. BARBARA J MACCOLLUM M.D. (NPI 1215925821) is an individual gastroenterology provider in Phoenix, Arizona, licensed in Arizona (15579) and active in the NPI registry since October 2005. She is enrolled in Medicare PECOS and is a graduate of University Of Arizona College Of Medicine (1984).

NPPES Registry Identity

NPI1215925821
Entity TypeIndividualFemale
Primary Taxonomy207RG0100X
Provider Legal NameDR. BARBARA J MACCOLLUMCredential: M.D.
Location Address1300 N 12TH ST, SUITE 613Phoenix, AZ 85006-2848
Mailing Address3020 E Camelback Rd, Suite 301Phoenix, AZ 85016-5059 · (602) 264-9100 · Fax (602) 264-9101
Fax(602) 254-6582
Sole ProprietorNo
Medical School CMSUniversity Of Arizona College Of MedicineGraduated 1984
Enumeration DateOctober 7, 2005
Last NPPES UpdateFebruary 17, 2017
NPI 1215925821 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License Licensed in AZ · 15579
Definition

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

1300 N 12TH ST, Phoenix, AZ 85006

Other Names 1

Former Name (1)Barbara J Miller M.d.

Other Identifiers 6

Medicare ID-Type Unspecified10WCHWR03
Medicare UPINC99914
Other120390AZ · Medicare Group Number
Other317047AZ · Medicaid Group Number
Medicaid260240AZ
Medicare PIN120429AZ

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Barbara J Maccollum M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID345263463
PECOS Enrollment IDI20060104000423
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 14

Services this provider delivered to Medicare fee-for-service patients, from the 2024 & 2026 CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit, 20-29 minutes 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
178 services150 patients
Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month 99439
Chronic Care Management services involve regular check-ins with healthcare professionals to manage two or more chronic conditions. It includes an additional 20 minutes of clinical staff time per month, directed by a healthcare professional, to ensure optimal health management.
113 services13 patients
Biopsy of large bowel using a flexible endoscope 45380
A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.
91 services90 patients
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239
This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.
83 services79 patients
Established patient office or other outpatient visit, 30-39 minutes 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
71 services69 patients
New patient office or other outpatient visit, 30-44 minutes 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
67 services67 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85006 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$127.71 typical visit price
range $55.44 – $168.60
Typical copayment $31.92 (range $13.86 – $42.15)
Most-billed visit code 99204
Established Patient
$98.00 typical visit price
range $17.72 – $137.41
Typical copayment $24.50 (range $4.43 – $34.35)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

75/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Family Medicine
1300 N 12TH ST, SUITE 605
PHOENIX, AZ 85006
Emergency Medicine
1300 N 12TH ST, SUITE 301
PHOENIX, AZ 85006
Physical Therapist
1300 N 12TH ST, STE 506
PHOENIX, AZ 85006
Physician Assistant
1300 N 12TH ST
PHOENIX, AZ 85006
Nurse Practitioner
1300 N 12TH ST, SUITE 407
PHOENIX, AZ 85006
Internal Medicine
1300 N 12TH ST, STE 518
PHOENIX, AZ 85006
Surgery
1300 N 12TH ST, #616
PHOENIX, AZ 85006
Internal Medicine
1300 N 12TH ST, SUITE 508
PHOENIX, AZ 85006

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1215925821, enumerated as an "individual" on October 07, 2005.

The provider is located at 1300 N 12TH ST SUITE 613 PHOENIX, AZ 85006 and the phone number is (602) 254-5321.

Internal Medicine with taxonomy code 207RG0100X and a focus in Gastroenterology.

The provider might be accepting Accepts: Ambetter from Arizona Complete Health,. Please consult your insurance carrier or call the provider to verify.