PROVIDER PROFILE · NPI 1215925821

Barbara MaccollumM.D.

GastroenterologyPhoenix, AZI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

863

Unique beneficiaries

—

Total services

908

Distinct HCPCS

Medicare payment

$100K

Peer benchmark

Total Medicare services vs. 280 Gastroenterology providers in AZ — above median (cohort median 659).

PRESCRIBING · PART D · 2024

Total Rx claims

1,106

Beneficiaries

—

Total drug cost

$310K

Distinct drugs

Brand share

31.6%

Top prescribed drugs

Pantoprazole Sodium284 claims

Famotidine260 claims

Ondansetron123 claims

Omeprazole74 claims

Colestipol Hcl59 claims

QUALITY · MIPS · 2024

Final MIPS score

81.8

Quality

60.5

Cost

81.2

Improvement activities

40.0

Promoting interop.

97.0

Payment adjustment

0.28%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$39

Payment records

By payment type

Food and Beverage$39

REFERRAL NETWORK

Where Barbara Maccollum's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 1 inbound referrers · 13 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Valerie Soler Certified Registered Nurse Anesthetist (CRNA) · Mesa, AZ	39	78

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
Arizona Endoscopy Center, Llc Ambulatory Surgical Center · Phoenix, AZ	127	199
Sonora Quest Laboratories Llc Clinical Laboratory · Phoenix, AZ	78	196
Julie Adams Certified Registered Nurse Anesthetist (CRNA) · Fargo, ND	67	117
BANNER - UNIVERSITY MEDICAL CENTER PHOENIX	44	82
Lisa Cerilli Pathology · Phoenix, AZ	34	58
Jeffrey Henderson Pathology · Phoenix, AZ	29	43
Laboratory Corporation Of America Clinical Laboratory · Phoenix, AZ	27	80
Daniel Jondle Pathology · Phoenix, AZ	18	39
HORVATH, JANET	16	31
Elizabeth Westfall Diagnostic Radiology · Phoenix, AZ	15	32
DODGE, ANDREW	12	16
Valerie Soler Certified Registered Nurse Anesthetist (CRNA) · Mesa, AZ	12	22

Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history